preview model

crates/api_clients/artcraft/artcraft_router/src/generate/generate_video/generate_video_request_builder.rs

@@ -48,6 +48,8 @@ use crate::generate::generate_video::plan::seedance2pro::plan_generate_video_see
 use crate::generate::generate_video::plan::seedance2pro::plan_generate_video_seedance2pro_seedance2p0_fast::plan_generate_video_seedance2pro_seedance2p0_fast;
 use crate::generate::generate_video::video_generation_plan::VideoGenerationPlan;
 use crate::generate::generate_video_v2::providers::artcraft::happy_horse_1p0::build::build_artcraft_happy_horse_1p0;
+use crate::generate::generate_video_v2::providers::artcraft::preview_model::build::build_artcraft_preview_model;
+use crate::generate::generate_video_v2::providers::artcraft::preview_model_fast::build::build_artcraft_preview_model_fast;
 use crate::generate::generate_video_v2::providers::artcraft::seedance_2p0::build::build_artcraft_seedance_2p0;
 use crate::generate::generate_video_v2::providers::artcraft::seedance_2p0_fast::build::build_artcraft_seedance_2p0_fast;
 use crate::generate::generate_video_v2::providers::artcraft::seedance_2p0_g::build::build_artcraft_seedance_2p0_g;
@@ -153,7 +155,10 @@ impl GenerateVideoRequestBuilder {
       (Provider::Artcraft, CommonVideoModel::Seedance2p0Fast) => true,
       (Provider::Artcraft, CommonVideoModel::Seedance2p0Global) => true,
       (Provider::Artcraft, CommonVideoModel::Seedance2p0FastGlobal) => true,
+      (Provider::Artcraft, CommonVideoModel::PreviewModel) => true,
+      (Provider::Artcraft, CommonVideoModel::PreviewModelFast) => true,
       (Provider::GmiCloud, CommonVideoModel::Seedance2p0Global) => true,
+
       (Provider::GmiCloud, CommonVideoModel::Seedance2p0FastGlobal) => true,
       (Provider::Seedance2Pro, CommonVideoModel::HappyHorse1p0) => true,
       (Provider::Seedance2Pro, CommonVideoModel::Seedance2p0) => true,
@@ -170,6 +175,8 @@ impl GenerateVideoRequestBuilder {
       (Provider::Artcraft, CommonVideoModel::Seedance2p0Fast) => build_artcraft_seedance_2p0_fast(self),
       (Provider::Artcraft, CommonVideoModel::Seedance2p0Global) => build_artcraft_seedance_2p0_g(self),
       (Provider::Artcraft, CommonVideoModel::Seedance2p0FastGlobal) => build_artcraft_seedance_2p0_fast_g(self),
+      (Provider::Artcraft, CommonVideoModel::PreviewModel) => build_artcraft_preview_model(self),
+      (Provider::Artcraft, CommonVideoModel::PreviewModelFast) => build_artcraft_preview_model_fast(self),
       (Provider::GmiCloud, CommonVideoModel::Seedance2p0Global) => build_gmicloud_seedance_2p0_g(self),
       (Provider::GmiCloud, CommonVideoModel::Seedance2p0FastGlobal) => build_gmicloud_seedance_2p0_fast_g(self),
       (Provider::Seedance2Pro, CommonVideoModel::HappyHorse1p0) => build_kinovi_happy_horse_1p0(self),

crates/api_clients/artcraft/artcraft_router/src/generate/generate_video_v2/providers/artcraft/mod.rs

@@ -1,4 +1,6 @@
 pub mod happy_horse_1p0;
+pub mod preview_model;
+pub mod preview_model_fast;
 pub(crate) mod resolve;
 pub mod seedance_2p0;
 pub mod seedance_2p0_fast;

crates/api_clients/artcraft/artcraft_router/src/generate/generate_video_v2/providers/artcraft/preview_model/build.rs

@@ -0,0 +1,344 @@
+use artcraft_api_defs::omni_gen::cost_and_generate_requests::omni_gen_video_cost_and_generate_request::OmniGenVideoCostAndGenerateRequest;
+use enums::common::generation::common_aspect_ratio::CommonAspectRatio as CommonAspectRatioEnum;
+use enums::common::generation::common_resolution::CommonResolution as CommonResolutionEnum;
+use enums::common::generation::common_video_model::CommonVideoModel as CommonVideoModelEnum;
+
+use crate::api::common_aspect_ratio::CommonAspectRatio;
+use crate::api::common_resolution::CommonResolution;
+use crate::client::request_mismatch_mitigation_strategy::RequestMismatchMitigationStrategy;
+use crate::errors::artcraft_router_error::ArtcraftRouterError;
+use crate::errors::client_error::ClientError;
+use crate::generate::generate_video::generate_video_request_builder::GenerateVideoRequestBuilder;
+use crate::generate::generate_video_v2::providers::artcraft::resolve::{
+  resolve_audio_list_ref, resolve_character_list_ref, resolve_image_list_ref,
+  resolve_image_ref, resolve_video_list_ref,
+};
+use crate::generate::generate_video_v2::providers::artcraft::preview_model::request::ArtcraftPreviewModelRequestState;
+use crate::generate::generate_video_v2::video_generation_draft_or_request::VideoGenerationDraftOrRequest;
+use crate::generate::generate_video_v2::video_generation_request::VideoGenerationRequest;
+
+pub fn build_artcraft_preview_model(mut builder: GenerateVideoRequestBuilder) -> Result<VideoGenerationDraftOrRequest, ArtcraftRouterError> {
+  let strategy = builder.request_mismatch_mitigation_strategy;
+
+  let aspect_ratio = plan_aspect_ratio(builder.aspect_ratio.take(), strategy)?;
+  let resolution = plan_output_resolution(builder.resolution.take(), strategy)?;
+  let batch_count = plan_batch_count(builder.video_batch_count.take(), strategy)?;
+  let duration_seconds = plan_duration(builder.duration_seconds.take(), strategy)?;
+  let prompt = builder.prompt.take();
+
+  let start_frame = resolve_image_ref(builder.start_frame.take())?;
+  let end_frame = resolve_image_ref(builder.end_frame.take())?;
+  let reference_images = resolve_image_list_ref(builder.reference_images.take())?;
+  let reference_videos = resolve_video_list_ref(builder.reference_videos.take())?;
+  let reference_audio = resolve_audio_list_ref(builder.reference_audio.take())?;
+  let reference_characters = resolve_character_list_ref(builder.reference_character_tokens.take());
+  let idempotency_token = builder.get_or_generate_idempotency_token();
+
+  let request = OmniGenVideoCostAndGenerateRequest {
+    model: Some(CommonVideoModelEnum::PreviewModel),
+    idempotency_token: Some(idempotency_token),
+    prompt,
+    start_frame_image_media_token: start_frame,
+    end_frame_image_media_token: end_frame,
+    reference_image_media_tokens: reference_images,
+    reference_video_media_tokens: reference_videos,
+    reference_audio_media_tokens: reference_audio,
+    reference_character_tokens: reference_characters,
+    resolution,
+    aspect_ratio,
+    duration_seconds: duration_seconds.map(|d| d as u16),
+    video_batch_count: Some(batch_count),
+    negative_prompt: None,
+    generate_audio: None,
+    quality: None,
+  };
+
+  let state = ArtcraftPreviewModelRequestState { request };
+  Ok(VideoGenerationDraftOrRequest::Request(VideoGenerationRequest::ArtcraftPreviewModel(state)))
+}
+
+// -- Plan helpers --
+
+fn plan_aspect_ratio(
+  aspect_ratio: Option<CommonAspectRatio>,
+  strategy: RequestMismatchMitigationStrategy,
+) -> Result<Option<CommonAspectRatioEnum>, ArtcraftRouterError> {
+  match aspect_ratio {
+    None
+    | Some(CommonAspectRatio::Auto)
+    | Some(CommonAspectRatio::Auto2k)
+    | Some(CommonAspectRatio::Auto4k) => Ok(None),
+
+    Some(CommonAspectRatio::WideSixteenByNine) | Some(CommonAspectRatio::Wide) => {
+      Ok(Some(CommonAspectRatioEnum::WideSixteenByNine))
+    }
+    Some(CommonAspectRatio::TallNineBySixteen) | Some(CommonAspectRatio::Tall) => {
+      Ok(Some(CommonAspectRatioEnum::TallNineBySixteen))
+    }
+    Some(CommonAspectRatio::Square) | Some(CommonAspectRatio::SquareHd) => {
+      Ok(Some(CommonAspectRatioEnum::Square))
+    }
+    Some(CommonAspectRatio::WideFourByThree) => Ok(Some(CommonAspectRatioEnum::WideFourByThree)),
+    Some(CommonAspectRatio::TallThreeByFour) => Ok(Some(CommonAspectRatioEnum::TallThreeByFour)),
+    Some(CommonAspectRatio::WideTwentyOneByNine) => Ok(Some(CommonAspectRatioEnum::WideTwentyOneByNine)),
+
+    Some(unsupported) => match strategy {
+      RequestMismatchMitigationStrategy::ErrorOut => {
+        Err(ArtcraftRouterError::Client(ClientError::ModelDoesNotSupportOption {
+          field: "aspect_ratio",
+          value: format!("{:?}", unsupported),
+        }))
+      }
+      RequestMismatchMitigationStrategy::PayMoreUpgrade
+      | RequestMismatchMitigationStrategy::PayLessDowngrade => {
+        Ok(Some(nearest_aspect_ratio(unsupported)))
+      }
+    },
+  }
+}
+
+fn nearest_aspect_ratio(aspect_ratio: CommonAspectRatio) -> CommonAspectRatioEnum {
+  match aspect_ratio {
+    CommonAspectRatio::WideFiveByFour => CommonAspectRatioEnum::WideFourByThree,
+    CommonAspectRatio::WideThreeByTwo => CommonAspectRatioEnum::WideFourByThree,
+    CommonAspectRatio::TallFourByFive => CommonAspectRatioEnum::TallThreeByFour,
+    CommonAspectRatio::TallTwoByThree => CommonAspectRatioEnum::TallThreeByFour,
+    CommonAspectRatio::TallNineByTwentyOne => CommonAspectRatioEnum::TallNineBySixteen,
+    _ => CommonAspectRatioEnum::Square,
+  }
+}
+
+// PreviewModel supports output resolutions: 480p, 720p, 1080p.
+fn plan_output_resolution(
+  resolution: Option<CommonResolution>,
+  strategy: RequestMismatchMitigationStrategy,
+) -> Result<Option<CommonResolutionEnum>, ArtcraftRouterError> {
+  match resolution {
+    None => Ok(None),
+
+    Some(CommonResolution::FourEightyP) => Ok(Some(CommonResolutionEnum::FourEightyP)),
+    Some(CommonResolution::SevenTwentyP) => Ok(Some(CommonResolutionEnum::SevenTwentyP)),
+    Some(CommonResolution::TenEightyP) => Ok(Some(CommonResolutionEnum::TenEightyP)),
+
+    Some(unsupported) => match strategy {
+      RequestMismatchMitigationStrategy::ErrorOut => {
+        Err(ArtcraftRouterError::Client(ClientError::ModelDoesNotSupportOption {
+          field: "resolution",
+          value: format!("{:?}", unsupported),
+        }))
+      }
+      RequestMismatchMitigationStrategy::PayMoreUpgrade => {
+        Ok(Some(match unsupported {
+          CommonResolution::HalfK => CommonResolutionEnum::FourEightyP,
+          _ => CommonResolutionEnum::TenEightyP,
+        }))
+      }
+      RequestMismatchMitigationStrategy::PayLessDowngrade => {
+        Ok(Some(match unsupported {
+          CommonResolution::HalfK => CommonResolutionEnum::FourEightyP,
+          _ => CommonResolutionEnum::TenEightyP,
+        }))
+      }
+    },
+  }
+}
+
+// Batch counts: 1, 2, 4.
+fn plan_batch_count(
+  video_batch_count: Option<u16>,
+  strategy: RequestMismatchMitigationStrategy,
+) -> Result<u16, ArtcraftRouterError> {
+  let count = video_batch_count.unwrap_or(1);
+  match count {
+    0 => Err(ArtcraftRouterError::Client(ClientError::UserRequestedZeroGenerations)),
+    1 | 2 | 4 => Ok(count),
+    _ => match strategy {
+      RequestMismatchMitigationStrategy::ErrorOut => {
+        Err(ArtcraftRouterError::Client(ClientError::ModelDoesNotSupportOption {
+          field: "video_batch_count",
+          value: format!("{}", count),
+        }))
+      }
+      RequestMismatchMitigationStrategy::PayMoreUpgrade => Ok(4),
+      RequestMismatchMitigationStrategy::PayLessDowngrade => {
+        Ok(if count < 4 { 2 } else { 4 })
+      }
+    },
+  }
+}
+
+// Duration: 4-15 seconds.
+fn plan_duration(
+  duration_seconds: Option<u16>,
+  strategy: RequestMismatchMitigationStrategy,
+) -> Result<Option<u8>, ArtcraftRouterError> {
+  const MIN: u16 = 4;
+  const MAX: u16 = 15;
+  match duration_seconds {
+    None => Ok(None),
+    Some(d) if d >= MIN && d <= MAX => Ok(Some(d as u8)),
+    Some(d) => match strategy {
+      RequestMismatchMitigationStrategy::ErrorOut => {
+        Err(ArtcraftRouterError::Client(ClientError::ModelDoesNotSupportOption {
+          field: "duration_seconds",
+          value: format!("{}", d),
+        }))
+      }
+      _ => Ok(Some(d.clamp(MIN, MAX) as u8)),
+    },
+  }
+}
+
+#[cfg(test)]
+mod tests {
+  use enums::common::generation::common_resolution::CommonResolution as CommonResolutionEnum;
+  use enums::common::generation::common_video_model::CommonVideoModel as CommonVideoModelEnum;
+  use tokens::tokens::characters::CharacterToken;
+  use tokens::tokens::media_files::MediaFileToken;
+
+  use crate::api::character_list_ref::CharacterListRef;
+  use crate::api::common_resolution::CommonResolution;
+  use crate::api::image_list_ref::ImageListRef;
+  use crate::api::image_ref::ImageRef;
+  use crate::api::provider::Provider;
+  use crate::generate::generate_video::generate_video_request_builder::GenerateVideoRequestBuilder;
+  use crate::generate::generate_video_v2::video_generation_draft_or_request::VideoGenerationDraftOrRequest;
+  use crate::generate::generate_video_v2::video_generation_request::VideoGenerationRequest;
+
+  use super::*;
+
+  // ── Field conversions ──
+
+  mod field_conversions {
+    use super::*;
+
+    #[test]
+    fn model_is_preview_model() {
+      let req = unwrap_request(make_builder(|_| {}));
+      assert!(matches!(req.request.model, Some(CommonVideoModelEnum::PreviewModel)));
+    }
+
+    #[test]
+    fn prompt_passed_through() {
+      let req = unwrap_request(make_builder(|b| { b.prompt = Some("test".to_string()); }));
+      assert_eq!(req.request.prompt, Some("test".to_string()));
+    }
+
+    #[test]
+    fn duration_passed_through() {
+      let req = unwrap_request(make_builder(|b| { b.duration_seconds = Some(10); }));
+      assert_eq!(req.request.duration_seconds, Some(10));
+    }
+
+    #[test]
+    fn duration_clamped_to_max() {
+      let req = unwrap_request(make_builder(|b| { b.duration_seconds = Some(99); }));
+      assert_eq!(req.request.duration_seconds, Some(15));
+    }
+
+    #[test]
+    fn batch_count_passed_through() {
+      let req = unwrap_request(make_builder(|b| { b.video_batch_count = Some(4); }));
+      assert_eq!(req.request.video_batch_count, Some(4));
+    }
+  }
+
+  // ── Resolution ──
+
+  mod resolution_tests {
+    use super::*;
+
+    #[test]
+    fn res_480p() {
+      let req = unwrap_request(make_builder(|b| { b.resolution = Some(CommonResolution::FourEightyP); }));
+      assert_eq!(req.request.resolution, Some(CommonResolutionEnum::FourEightyP));
+    }
+
+    #[test]
+    fn res_720p() {
+      let req = unwrap_request(make_builder(|b| { b.resolution = Some(CommonResolution::SevenTwentyP); }));
+      assert_eq!(req.request.resolution, Some(CommonResolutionEnum::SevenTwentyP));
+    }
+
+    #[test]
+    fn res_1080p() {
+      let req = unwrap_request(make_builder(|b| { b.resolution = Some(CommonResolution::TenEightyP); }));
+      assert_eq!(req.request.resolution, Some(CommonResolutionEnum::TenEightyP));
+    }
+
+    #[test]
+    fn none_stays_none() {
+      let req = unwrap_request(make_builder(|_| {}));
+      assert!(req.request.resolution.is_none());
+    }
+  }
+
+  // ── Media tokens ──
+
+  mod media_token_tests {
+    use super::*;
+
+    #[test]
+    fn start_frame_token_passed_through() {
+      let token = MediaFileToken::new("mf_start".to_string());
+      let req = unwrap_request(make_builder(|b| {
+        b.start_frame = Some(ImageRef::MediaFileToken(token.clone()));
+      }));
+      assert_eq!(req.request.start_frame_image_media_token, Some(token));
+    }
+
+    #[test]
+    fn url_start_frame_rejected() {
+      let result = build_artcraft_preview_model(GenerateVideoRequestBuilder {
+        start_frame: Some(ImageRef::Url("https://example.com".to_string())),
+        ..base_builder()
+      });
+      assert!(result.is_err());
+    }
+
+    #[test]
+    fn reference_image_tokens_passed_through() {
+      let tokens = vec![MediaFileToken::new("mf_a".to_string()), MediaFileToken::new("mf_b".to_string())];
+      let req = unwrap_request(make_builder(|b| {
+        b.reference_images = Some(ImageListRef::MediaFileTokens(tokens.clone()));
+      }));
+      assert_eq!(req.request.reference_image_media_tokens, Some(tokens));
+    }
+
+    #[test]
+    fn character_tokens_passed_through() {
+      let tokens = vec![CharacterToken::new("char_a".to_string()), CharacterToken::new("char_b".to_string())];
+      let req = unwrap_request(make_builder(|b| {
+        b.reference_character_tokens = Some(CharacterListRef::CharacterTokens(tokens.clone()));
+      }));
+      assert_eq!(req.request.reference_character_tokens, Some(tokens));
+    }
+  }
+
+  // ── Helpers ──
+
+  fn base_builder() -> GenerateVideoRequestBuilder {
+    GenerateVideoRequestBuilder {
+      provider: Provider::Artcraft,
+      duration_seconds: Some(5),
+      video_batch_count: Some(1),
+      ..Default::default()
+    }
+  }
+
+  fn make_builder(f: impl FnOnce(&mut GenerateVideoRequestBuilder)) -> GenerateVideoRequestBuilder {
+    let mut builder = base_builder();
+    f(&mut builder);
+    builder
+  }
+
+  fn unwrap_request(builder: GenerateVideoRequestBuilder) -> ArtcraftPreviewModelRequestState {
+    let result = build_artcraft_preview_model(builder).expect("build should succeed");
+    match result {
+      VideoGenerationDraftOrRequest::Request(
+        VideoGenerationRequest::ArtcraftPreviewModel(state)
+      ) => state,
+      _ => panic!("expected ArtcraftPreviewModel request"),
+    }
+  }
+}

crates/api_clients/artcraft/artcraft_router/src/generate/generate_video_v2/providers/artcraft/preview_model/cost.rs

@@ -0,0 +1,233 @@
+use enums::common::generation::common_resolution::CommonResolution;
+
+use crate::generate::generate_video::video_generation_cost_estimate::VideoGenerationCostEstimate;
+use crate::generate::generate_video_v2::providers::artcraft::preview_model::request::ArtcraftPreviewModelRequestState;
+
+// ── Pricing constants ──
+//
+// ArtCraft credits: 100 credits = $1.00. Credits always equal USD cents.
+
+/// USD cents per second by resolution:
+///   480p:  $0.10/s = 10.0 ¢/s
+///   720p:  $0.25/s = 25.0 ¢/s
+///   1080p: $0.50/s = 50.0 ¢/s
+const CENTS_PER_SECOND_480P: f64 = 10.0;
+const CENTS_PER_SECOND_720P: f64 = 25.0;
+const CENTS_PER_SECOND_1080P: f64 = 50.0;
+
+pub struct ArtcraftPreviewModelCostState {
+  pub resolution: CommonResolution,
+  pub duration_seconds: u16,
+  pub batch_count: u16,
+}
+
+impl ArtcraftPreviewModelCostState {
+  pub fn from_request(request: &ArtcraftPreviewModelRequestState) -> Self {
+    let resolution = request.request.resolution
+      .unwrap_or(CommonResolution::SevenTwentyP);
+    let duration_seconds = request.request.duration_seconds.unwrap_or(5);
+    let batch_count = request.request.video_batch_count.unwrap_or(1);
+
+    Self { resolution, duration_seconds, batch_count }
+  }
+
+  pub fn estimate_cost(&self) -> VideoGenerationCostEstimate {
+    let cents_per_second = match self.resolution {
+      CommonResolution::FourEightyP => CENTS_PER_SECOND_480P,
+      CommonResolution::TenEightyP => CENTS_PER_SECOND_1080P,
+      // Everything else (including 720p) prices at 720p.
+      _ => CENTS_PER_SECOND_720P,
+    };
+
+    let usd_cents = (self.duration_seconds as f64 * cents_per_second * self.batch_count as f64).round() as u64;
+
+    VideoGenerationCostEstimate {
+      cost_in_credits: Some(usd_cents),
+      cost_in_usd_cents: Some(usd_cents),
+      is_free: false,
+      is_unlimited: false,
+      is_rate_limited: false,
+      has_watermark: false,
+      failures_are_refunded: None,
+    }
+  }
+}
+
+#[cfg(test)]
+mod tests {
+  use crate::api::common_resolution::CommonResolution;
+  use crate::api::common_video_model::CommonVideoModel;
+  use crate::api::provider::Provider;
+  use crate::generate::generate_video::generate_video_request_builder::GenerateVideoRequestBuilder;
+
+  // -- 720p pricing --
+
+  mod pricing_720p {
+    use super::*;
+
+    #[test]
+    fn batch_1() {
+      assert_eq!(cost_cents(Some(CommonResolution::SevenTwentyP), 4, 1), 100);
+      assert_eq!(cost_cents(Some(CommonResolution::SevenTwentyP), 5, 1), 125);
+      assert_eq!(cost_cents(Some(CommonResolution::SevenTwentyP), 10, 1), 250);
+      assert_eq!(cost_cents(Some(CommonResolution::SevenTwentyP), 15, 1), 375);
+    }
+
+    #[test]
+    fn batch_2() {
+      assert_eq!(cost_cents(Some(CommonResolution::SevenTwentyP), 5, 2), 250);
+      assert_eq!(cost_cents(Some(CommonResolution::SevenTwentyP), 15, 2), 750);
+    }
+
+    #[test]
+    fn batch_4() {
+      assert_eq!(cost_cents(Some(CommonResolution::SevenTwentyP), 5, 4), 500);
+      assert_eq!(cost_cents(Some(CommonResolution::SevenTwentyP), 15, 4), 1500);
+    }
+
+    #[test]
+    fn none_defaults_to_720p() {
+      assert_eq!(cost_cents(None, 5, 1), cost_cents(Some(CommonResolution::SevenTwentyP), 5, 1));
+    }
+  }
+
+  // -- 480p pricing --
+
+  mod pricing_480p {
+    use super::*;
+
+    #[test]
+    fn batch_1() {
+      assert_eq!(cost_cents(Some(CommonResolution::FourEightyP), 4, 1), 40);
+      assert_eq!(cost_cents(Some(CommonResolution::FourEightyP), 5, 1), 50);
+      assert_eq!(cost_cents(Some(CommonResolution::FourEightyP), 10, 1), 100);
+      assert_eq!(cost_cents(Some(CommonResolution::FourEightyP), 15, 1), 150);
+    }
+
+    #[test]
+    fn batch_2() {
+      assert_eq!(cost_cents(Some(CommonResolution::FourEightyP), 5, 2), 100);
+    }
+
+    #[test]
+    fn batch_4() {
+      assert_eq!(cost_cents(Some(CommonResolution::FourEightyP), 5, 4), 200);
+    }
+  }
+
+  // -- 1080p pricing --
+
+  mod pricing_1080p {
+    use super::*;
+
+    #[test]
+    fn batch_1() {
+      assert_eq!(cost_cents(Some(CommonResolution::TenEightyP), 4, 1), 200);
+      assert_eq!(cost_cents(Some(CommonResolution::TenEightyP), 5, 1), 250);
+      assert_eq!(cost_cents(Some(CommonResolution::TenEightyP), 10, 1), 500);
+      assert_eq!(cost_cents(Some(CommonResolution::TenEightyP), 15, 1), 750);
+    }
+
+    #[test]
+    fn batch_2() {
+      assert_eq!(cost_cents(Some(CommonResolution::TenEightyP), 5, 2), 500);
+    }
+
+    #[test]
+    fn batch_4() {
+      assert_eq!(cost_cents(Some(CommonResolution::TenEightyP), 5, 4), 1000);
+    }
+  }
+
+  // -- Relative pricing --
+
+  mod relative_pricing_tests {
+    use super::*;
+
+    #[test]
+    fn cost_480p_cheaper_than_720p_cheaper_than_1080p() {
+      let c480 = cost_cents(Some(CommonResolution::FourEightyP), 5, 1);
+      let c720 = cost_cents(Some(CommonResolution::SevenTwentyP), 5, 1);
+      let c1080 = cost_cents(Some(CommonResolution::TenEightyP), 5, 1);
+      assert!(c480 < c720);
+      assert!(c720 < c1080);
+    }
+
+    #[test]
+    fn cost_scales_with_duration() {
+      let c4 = cost_cents(Some(CommonResolution::SevenTwentyP), 4, 1);
+      let c10 = cost_cents(Some(CommonResolution::SevenTwentyP), 10, 1);
+      let c15 = cost_cents(Some(CommonResolution::SevenTwentyP), 15, 1);
+      assert!(c4 < c10);
+      assert!(c10 < c15);
+    }
+
+    #[test]
+    fn cost_scales_with_batch() {
+      let b1 = cost_cents(Some(CommonResolution::TenEightyP), 5, 1);
+      let b2 = cost_cents(Some(CommonResolution::TenEightyP), 5, 2);
+      let b4 = cost_cents(Some(CommonResolution::TenEightyP), 5, 4);
+      assert!(b1 < b2);
+      assert!(b2 < b4);
+    }
+  }
+
+  // -- Credits equal cents --
+
+  mod credits_tests {
+    use super::*;
+
+    #[test]
+    fn credits_equal_usd_cents_all_combos() {
+      let resolutions = [
+        Some(CommonResolution::FourEightyP),
+        Some(CommonResolution::SevenTwentyP),
+        Some(CommonResolution::TenEightyP),
+        None,
+      ];
+      for res in resolutions {
+        for dur in [4, 5, 10, 15] {
+          for batch in [1, 2, 4] {
+            let cost = build_cost(res, dur, batch);
+            assert_eq!(
+              cost.cost_in_credits, cost.cost_in_usd_cents,
+              "credits should equal cents for res={:?} dur={}s batch={}",
+              res, dur, batch,
+            );
+          }
+        }
+      }
+    }
+  }
+
+  // -- Helpers --
+
+  fn build_cost(
+    resolution: Option<CommonResolution>,
+    duration_seconds: u16,
+    video_batch_count: u16,
+  ) -> crate::generate::generate_video::video_generation_cost_estimate::VideoGenerationCostEstimate {
+    let builder = GenerateVideoRequestBuilder {
+      model: CommonVideoModel::PreviewModel,
+      provider: Provider::Artcraft,
+      resolution,
+      duration_seconds: Some(duration_seconds),
+      video_batch_count: Some(video_batch_count),
+      ..Default::default()
+    };
+    builder.build2()
+      .expect("build2 should succeed")
+      .estimate_cost()
+      .expect("estimate_cost should succeed")
+  }
+
+  fn cost_cents(
+    resolution: Option<CommonResolution>,
+    duration_seconds: u16,
+    video_batch_count: u16,
+  ) -> u64 {
+    build_cost(resolution, duration_seconds, video_batch_count)
+      .cost_in_usd_cents
+      .unwrap()
+  }
+}

crates/api_clients/artcraft/artcraft_router/src/generate/generate_video_v2/providers/artcraft/preview_model/mod.rs

@@ -0,0 +1,3 @@
+pub mod build;
+pub mod cost;
+pub mod request;

crates/api_clients/artcraft/artcraft_router/src/generate/generate_video_v2/providers/artcraft/preview_model/request.rs

@@ -0,0 +1,32 @@
+use artcraft_api_defs::omni_gen::cost_and_generate_requests::omni_gen_video_cost_and_generate_request::OmniGenVideoCostAndGenerateRequest;
+use artcraft_client::endpoints::omni_gen::generate::video::omni_gen_video::omni_gen_video_generate;
+
+use crate::client::router_artcraft_client::RouterArtcraftClient;
+use crate::errors::artcraft_router_error::ArtcraftRouterError;
+use crate::errors::provider_error::ProviderError;
+use crate::generate::generate_video::generate_video_response::{
+  ArtcraftVideoResponsePayload, GenerateVideoResponse,
+};
+
+#[derive(Clone, Debug)]
+pub struct ArtcraftPreviewModelRequestState {
+  /// Final materialized request; ready to fire via the omni-gen video endpoint.
+  pub request: OmniGenVideoCostAndGenerateRequest,
+}
+
+impl ArtcraftPreviewModelRequestState {
+  pub async fn send(&self, client: &RouterArtcraftClient) -> Result<GenerateVideoResponse, ArtcraftRouterError> {
+    let response = omni_gen_video_generate(
+      &client.api_host,
+      Some(&client.credentials),
+      self.request.clone(),
+    )
+      .await
+      .map_err(|err| ArtcraftRouterError::Provider(ProviderError::Storyteller(err)))?;
+
+    Ok(GenerateVideoResponse::Artcraft(ArtcraftVideoResponsePayload {
+      inference_job_token: response.inference_job_token.clone(),
+      all_inference_job_tokens: vec![response.inference_job_token],
+    }))
+  }
+}

crates/api_clients/artcraft/artcraft_router/src/generate/generate_video_v2/providers/artcraft/preview_model_fast/build.rs

@@ -0,0 +1,367 @@
+use artcraft_api_defs::omni_gen::cost_and_generate_requests::omni_gen_video_cost_and_generate_request::OmniGenVideoCostAndGenerateRequest;
+use enums::common::generation::common_aspect_ratio::CommonAspectRatio as CommonAspectRatioEnum;
+use enums::common::generation::common_resolution::CommonResolution as CommonResolutionEnum;
+use enums::common::generation::common_video_model::CommonVideoModel as CommonVideoModelEnum;
+
+use crate::api::common_aspect_ratio::CommonAspectRatio;
+use crate::api::common_resolution::CommonResolution;
+use crate::client::request_mismatch_mitigation_strategy::RequestMismatchMitigationStrategy;
+use crate::errors::artcraft_router_error::ArtcraftRouterError;
+use crate::errors::client_error::ClientError;
+use crate::generate::generate_video::generate_video_request_builder::GenerateVideoRequestBuilder;
+use crate::generate::generate_video_v2::providers::artcraft::resolve::{
+  resolve_audio_list_ref, resolve_character_list_ref, resolve_image_list_ref,
+  resolve_image_ref, resolve_video_list_ref,
+};
+use crate::generate::generate_video_v2::providers::artcraft::preview_model_fast::request::ArtcraftPreviewModelFastRequestState;
+use crate::generate::generate_video_v2::video_generation_draft_or_request::VideoGenerationDraftOrRequest;
+use crate::generate::generate_video_v2::video_generation_request::VideoGenerationRequest;
+
+pub fn build_artcraft_preview_model_fast(mut builder: GenerateVideoRequestBuilder) -> Result<VideoGenerationDraftOrRequest, ArtcraftRouterError> {
+  let strategy = builder.request_mismatch_mitigation_strategy;
+
+  let aspect_ratio = plan_aspect_ratio(builder.aspect_ratio.take(), strategy)?;
+  let resolution = plan_output_resolution(builder.resolution.take(), strategy)?;
+  let batch_count = plan_batch_count(builder.video_batch_count.take(), strategy)?;
+  let duration_seconds = plan_duration(builder.duration_seconds.take(), strategy)?;
+  let prompt = builder.prompt.take();
+
+  let start_frame = resolve_image_ref(builder.start_frame.take())?;
+  let end_frame = resolve_image_ref(builder.end_frame.take())?;
+  let reference_images = resolve_image_list_ref(builder.reference_images.take())?;
+  let reference_videos = resolve_video_list_ref(builder.reference_videos.take())?;
+  let reference_audio = resolve_audio_list_ref(builder.reference_audio.take())?;
+  let reference_characters = resolve_character_list_ref(builder.reference_character_tokens.take());
+  let idempotency_token = builder.get_or_generate_idempotency_token();
+
+  let request = OmniGenVideoCostAndGenerateRequest {
+    model: Some(CommonVideoModelEnum::PreviewModelFast),
+    idempotency_token: Some(idempotency_token),
+    prompt,
+    start_frame_image_media_token: start_frame,
+    end_frame_image_media_token: end_frame,
+    reference_image_media_tokens: reference_images,
+    reference_video_media_tokens: reference_videos,
+    reference_audio_media_tokens: reference_audio,
+    reference_character_tokens: reference_characters,
+    resolution,
+    aspect_ratio,
+    duration_seconds: duration_seconds.map(|d| d as u16),
+    video_batch_count: Some(batch_count),
+    negative_prompt: None,
+    generate_audio: None,
+    quality: None,
+  };
+
+  let state = ArtcraftPreviewModelFastRequestState { request };
+  Ok(VideoGenerationDraftOrRequest::Request(VideoGenerationRequest::ArtcraftPreviewModelFast(state)))
+}
+
+// -- Plan helpers --
+
+fn plan_aspect_ratio(
+  aspect_ratio: Option<CommonAspectRatio>,
+  strategy: RequestMismatchMitigationStrategy,
+) -> Result<Option<CommonAspectRatioEnum>, ArtcraftRouterError> {
+  match aspect_ratio {
+    None
+    | Some(CommonAspectRatio::Auto)
+    | Some(CommonAspectRatio::Auto2k)
+    | Some(CommonAspectRatio::Auto4k) => Ok(None),
+
+    Some(CommonAspectRatio::WideSixteenByNine) | Some(CommonAspectRatio::Wide) => {
+      Ok(Some(CommonAspectRatioEnum::WideSixteenByNine))
+    }
+    Some(CommonAspectRatio::TallNineBySixteen) | Some(CommonAspectRatio::Tall) => {
+      Ok(Some(CommonAspectRatioEnum::TallNineBySixteen))
+    }
+    Some(CommonAspectRatio::Square) | Some(CommonAspectRatio::SquareHd) => {
+      Ok(Some(CommonAspectRatioEnum::Square))
+    }
+    Some(CommonAspectRatio::WideFourByThree) => Ok(Some(CommonAspectRatioEnum::WideFourByThree)),
+    Some(CommonAspectRatio::TallThreeByFour) => Ok(Some(CommonAspectRatioEnum::TallThreeByFour)),
+    Some(CommonAspectRatio::WideTwentyOneByNine) => Ok(Some(CommonAspectRatioEnum::WideTwentyOneByNine)),
+
+    Some(unsupported) => match strategy {
+      RequestMismatchMitigationStrategy::ErrorOut => {
+        Err(ArtcraftRouterError::Client(ClientError::ModelDoesNotSupportOption {
+          field: "aspect_ratio",
+          value: format!("{:?}", unsupported),
+        }))
+      }
+      RequestMismatchMitigationStrategy::PayMoreUpgrade
+      | RequestMismatchMitigationStrategy::PayLessDowngrade => {
+        Ok(Some(nearest_aspect_ratio(unsupported)))
+      }
+    },
+  }
+}
+
+fn nearest_aspect_ratio(aspect_ratio: CommonAspectRatio) -> CommonAspectRatioEnum {
+  match aspect_ratio {
+    CommonAspectRatio::WideFiveByFour => CommonAspectRatioEnum::WideFourByThree,
+    CommonAspectRatio::WideThreeByTwo => CommonAspectRatioEnum::WideFourByThree,
+    CommonAspectRatio::TallFourByFive => CommonAspectRatioEnum::TallThreeByFour,
+    CommonAspectRatio::TallTwoByThree => CommonAspectRatioEnum::TallThreeByFour,
+    CommonAspectRatio::TallNineByTwentyOne => CommonAspectRatioEnum::TallNineBySixteen,
+    _ => CommonAspectRatioEnum::Square,
+  }
+}
+
+// PreviewModelFast supports output resolutions: 480p and 720p only.
+fn plan_output_resolution(
+  resolution: Option<CommonResolution>,
+  strategy: RequestMismatchMitigationStrategy,
+) -> Result<Option<CommonResolutionEnum>, ArtcraftRouterError> {
+  match resolution {
+    None => Ok(None),
+
+    Some(CommonResolution::FourEightyP) => Ok(Some(CommonResolutionEnum::FourEightyP)),
+    Some(CommonResolution::SevenTwentyP) => Ok(Some(CommonResolutionEnum::SevenTwentyP)),
+
+    // 1080p not supported for Fast
+    Some(CommonResolution::TenEightyP) => match strategy {
+      RequestMismatchMitigationStrategy::ErrorOut => {
+        Err(ArtcraftRouterError::Client(ClientError::ModelDoesNotSupportOption {
+          field: "resolution",
+          value: format!("{:?}", CommonResolution::TenEightyP),
+        }))
+      }
+      _ => Ok(Some(CommonResolutionEnum::SevenTwentyP)),
+    },
+
+    Some(unsupported) => match strategy {
+      RequestMismatchMitigationStrategy::ErrorOut => {
+        Err(ArtcraftRouterError::Client(ClientError::ModelDoesNotSupportOption {
+          field: "resolution",
+          value: format!("{:?}", unsupported),
+        }))
+      }
+      RequestMismatchMitigationStrategy::PayMoreUpgrade => {
+        Ok(Some(match unsupported {
+          CommonResolution::HalfK => CommonResolutionEnum::FourEightyP,
+          _ => CommonResolutionEnum::SevenTwentyP,
+        }))
+      }
+      RequestMismatchMitigationStrategy::PayLessDowngrade => {
+        Ok(Some(match unsupported {
+          CommonResolution::HalfK => CommonResolutionEnum::FourEightyP,
+          _ => CommonResolutionEnum::SevenTwentyP,
+        }))
+      }
+    },
+  }
+}
+
+// Batch counts: 1, 2, 4.
+fn plan_batch_count(
+  video_batch_count: Option<u16>,
+  strategy: RequestMismatchMitigationStrategy,
+) -> Result<u16, ArtcraftRouterError> {
+  let count = video_batch_count.unwrap_or(1);
+  match count {
+    0 => Err(ArtcraftRouterError::Client(ClientError::UserRequestedZeroGenerations)),
+    1 | 2 | 4 => Ok(count),
+    _ => match strategy {
+      RequestMismatchMitigationStrategy::ErrorOut => {
+        Err(ArtcraftRouterError::Client(ClientError::ModelDoesNotSupportOption {
+          field: "video_batch_count",
+          value: format!("{}", count),
+        }))
+      }
+      RequestMismatchMitigationStrategy::PayMoreUpgrade => Ok(4),
+      RequestMismatchMitigationStrategy::PayLessDowngrade => {
+        Ok(if count < 4 { 2 } else { 4 })
+      }
+    },
+  }
+}
+
+// Duration: 4-15 seconds.
+fn plan_duration(
+  duration_seconds: Option<u16>,
+  strategy: RequestMismatchMitigationStrategy,
+) -> Result<Option<u8>, ArtcraftRouterError> {
+  const MIN: u16 = 4;
+  const MAX: u16 = 15;
+  match duration_seconds {
+    None => Ok(None),
+    Some(d) if d >= MIN && d <= MAX => Ok(Some(d as u8)),
+    Some(d) => match strategy {
+      RequestMismatchMitigationStrategy::ErrorOut => {
+        Err(ArtcraftRouterError::Client(ClientError::ModelDoesNotSupportOption {
+          field: "duration_seconds",
+          value: format!("{}", d),
+        }))
+      }
+      _ => Ok(Some(d.clamp(MIN, MAX) as u8)),
+    },
+  }
+}
+
+#[cfg(test)]
+mod tests {
+  use enums::common::generation::common_resolution::CommonResolution as CommonResolutionEnum;
+  use enums::common::generation::common_video_model::CommonVideoModel as CommonVideoModelEnum;
+  use tokens::tokens::characters::CharacterToken;
+  use tokens::tokens::media_files::MediaFileToken;
+
+  use crate::api::character_list_ref::CharacterListRef;
+  use crate::api::common_resolution::CommonResolution;
+  use crate::api::common_video_model::CommonVideoModel;
+  use crate::api::image_list_ref::ImageListRef;
+  use crate::api::image_ref::ImageRef;
+  use crate::api::provider::Provider;
+  use crate::client::request_mismatch_mitigation_strategy::RequestMismatchMitigationStrategy;
+  use crate::generate::generate_video::generate_video_request_builder::GenerateVideoRequestBuilder;
+  use crate::generate::generate_video_v2::video_generation_draft_or_request::VideoGenerationDraftOrRequest;
+  use crate::generate::generate_video_v2::video_generation_request::VideoGenerationRequest;
+
+  use super::*;
+
+  // ── Field conversions ──
+
+  mod field_conversions {
+    use super::*;
+
+    #[test]
+    fn model_is_preview_model_fast() {
+      let req = unwrap_request(make_builder(|_| {}));
+      assert!(matches!(req.request.model, Some(CommonVideoModelEnum::PreviewModelFast)));
+    }
+
+    #[test]
+    fn prompt_passed_through() {
+      let req = unwrap_request(make_builder(|b| { b.prompt = Some("test".to_string()); }));
+      assert_eq!(req.request.prompt, Some("test".to_string()));
+    }
+
+    #[test]
+    fn duration_passed_through() {
+      let req = unwrap_request(make_builder(|b| { b.duration_seconds = Some(10); }));
+      assert_eq!(req.request.duration_seconds, Some(10));
+    }
+
+    #[test]
+    fn duration_clamped_to_max() {
+      let req = unwrap_request(make_builder(|b| { b.duration_seconds = Some(99); }));
+      assert_eq!(req.request.duration_seconds, Some(15));
+    }
+
+    #[test]
+    fn batch_count_passed_through() {
+      let req = unwrap_request(make_builder(|b| { b.video_batch_count = Some(4); }));
+      assert_eq!(req.request.video_batch_count, Some(4));
+    }
+  }
+
+  // ── Resolution ──
+
+  mod resolution_tests {
+    use super::*;
+
+    #[test]
+    fn res_480p() {
+      let req = unwrap_request(make_builder(|b| { b.resolution = Some(CommonResolution::FourEightyP); }));
+      assert_eq!(req.request.resolution, Some(CommonResolutionEnum::FourEightyP));
+    }
+
+    #[test]
+    fn res_720p() {
+      let req = unwrap_request(make_builder(|b| { b.resolution = Some(CommonResolution::SevenTwentyP); }));
+      assert_eq!(req.request.resolution, Some(CommonResolutionEnum::SevenTwentyP));
+    }
+
+    #[test]
+    fn res_1080p_downgrades_to_720p() {
+      let req = unwrap_request(make_builder(|b| { b.resolution = Some(CommonResolution::TenEightyP); }));
+      assert_eq!(req.request.resolution, Some(CommonResolutionEnum::SevenTwentyP));
+    }
+
+    #[test]
+    fn res_1080p_error_out() {
+      let result = build_artcraft_preview_model_fast(GenerateVideoRequestBuilder {
+        model: CommonVideoModel::PreviewModelFast,
+        provider: Provider::Artcraft,
+        resolution: Some(CommonResolution::TenEightyP),
+        request_mismatch_mitigation_strategy: RequestMismatchMitigationStrategy::ErrorOut,
+        ..Default::default()
+      });
+      assert!(result.is_err());
+    }
+
+    #[test]
+    fn none_stays_none() {
+      let req = unwrap_request(make_builder(|_| {}));
+      assert!(req.request.resolution.is_none());
+    }
+  }
+
+  // ── Media tokens ──
+
+  mod media_token_tests {
+    use super::*;
+
+    #[test]
+    fn start_frame_token_passed_through() {
+      let token = MediaFileToken::new("mf_start".to_string());
+      let req = unwrap_request(make_builder(|b| {
+        b.start_frame = Some(ImageRef::MediaFileToken(token.clone()));
+      }));
+      assert_eq!(req.request.start_frame_image_media_token, Some(token));
+    }
+
+    #[test]
+    fn url_start_frame_rejected() {
+      let result = build_artcraft_preview_model_fast(GenerateVideoRequestBuilder {
+        model: CommonVideoModel::PreviewModelFast,
+        provider: Provider::Artcraft,
+        start_frame: Some(ImageRef::Url("https://example.com".to_string())),
+        ..Default::default()
+      });
+      assert!(result.is_err());
+    }
+
+    #[test]
+    fn reference_image_tokens_passed_through() {
+      let tokens = vec![MediaFileToken::new("mf_a".to_string()), MediaFileToken::new("mf_b".to_string())];
+      let req = unwrap_request(make_builder(|b| {
+        b.reference_images = Some(ImageListRef::MediaFileTokens(tokens.clone()));
+      }));
+      assert_eq!(req.request.reference_image_media_tokens, Some(tokens));
+    }
+
+    #[test]
+    fn character_tokens_passed_through() {
+      let tokens = vec![CharacterToken::new("char_a".to_string()), CharacterToken::new("char_b".to_string())];
+      let req = unwrap_request(make_builder(|b| {
+        b.reference_character_tokens = Some(CharacterListRef::CharacterTokens(tokens.clone()));
+      }));
+      assert_eq!(req.request.reference_character_tokens, Some(tokens));
+    }
+  }
+
+  // ── Helpers ──
+
+  fn make_builder(f: impl FnOnce(&mut GenerateVideoRequestBuilder)) -> GenerateVideoRequestBuilder {
+    let mut builder = GenerateVideoRequestBuilder {
+      model: CommonVideoModel::PreviewModelFast,
+      provider: Provider::Artcraft,
+      duration_seconds: Some(5),
+      video_batch_count: Some(1),
+      ..Default::default()
+    };
+    f(&mut builder);
+    builder
+  }
+
+  fn unwrap_request(builder: GenerateVideoRequestBuilder) -> ArtcraftPreviewModelFastRequestState {
+    let result = build_artcraft_preview_model_fast(builder).expect("build should succeed");
+    match result {
+      VideoGenerationDraftOrRequest::Request(
+        VideoGenerationRequest::ArtcraftPreviewModelFast(state)
+      ) => state,
+      _ => panic!("expected ArtcraftPreviewModelFast request"),
+    }
+  }
+}

crates/api_clients/artcraft/artcraft_router/src/generate/generate_video_v2/providers/artcraft/preview_model_fast/cost.rs

@@ -0,0 +1,203 @@
+use enums::common::generation::common_resolution::CommonResolution;
+
+use crate::generate::generate_video::video_generation_cost_estimate::VideoGenerationCostEstimate;
+use crate::generate::generate_video_v2::providers::artcraft::preview_model_fast::request::ArtcraftPreviewModelFastRequestState;
+
+// ── Pricing constants ──
+//
+// ArtCraft credits: 100 credits = $1.00. Credits always equal USD cents.
+
+/// USD cents per second by resolution:
+///   480p:  $0.09/s = 9.0 ¢/s
+///   720p:  $0.20/s = 20.0 ¢/s
+const CENTS_PER_SECOND_480P: f64 = 9.0;
+const CENTS_PER_SECOND_720P: f64 = 20.0;
+
+pub struct ArtcraftPreviewModelFastCostState {
+  pub resolution: CommonResolution,
+  pub duration_seconds: u16,
+  pub batch_count: u16,
+}
+
+impl ArtcraftPreviewModelFastCostState {
+  pub fn from_request(request: &ArtcraftPreviewModelFastRequestState) -> Self {
+    let resolution = request.request.resolution
+      .unwrap_or(CommonResolution::SevenTwentyP);
+    let duration_seconds = request.request.duration_seconds.unwrap_or(5);
+    let batch_count = request.request.video_batch_count.unwrap_or(1);
+
+    Self { resolution, duration_seconds, batch_count }
+  }
+
+  pub fn estimate_cost(&self) -> VideoGenerationCostEstimate {
+    let cents_per_second = match self.resolution {
+      CommonResolution::FourEightyP => CENTS_PER_SECOND_480P,
+      // Everything else (including 720p and unsupported resolutions) prices at 720p.
+      _ => CENTS_PER_SECOND_720P,
+    };
+
+    let usd_cents = (self.duration_seconds as f64 * cents_per_second * self.batch_count as f64).round() as u64;
+
+    VideoGenerationCostEstimate {
+      cost_in_credits: Some(usd_cents),
+      cost_in_usd_cents: Some(usd_cents),
+      is_free: false,
+      is_unlimited: false,
+      is_rate_limited: false,
+      has_watermark: false,
+      failures_are_refunded: None,
+    }
+  }
+}
+
+#[cfg(test)]
+mod tests {
+  use crate::api::common_resolution::CommonResolution;
+  use crate::api::common_video_model::CommonVideoModel;
+  use crate::api::provider::Provider;
+  use crate::generate::generate_video::generate_video_request_builder::GenerateVideoRequestBuilder;
+
+  // -- 720p pricing --
+
+  mod pricing_720p {
+    use super::*;
+
+    #[test]
+    fn batch_1() {
+      assert_eq!(cost_cents(Some(CommonResolution::SevenTwentyP), 4, 1), 80);
+      assert_eq!(cost_cents(Some(CommonResolution::SevenTwentyP), 5, 1), 100);
+      assert_eq!(cost_cents(Some(CommonResolution::SevenTwentyP), 10, 1), 200);
+      assert_eq!(cost_cents(Some(CommonResolution::SevenTwentyP), 15, 1), 300);
+    }
+
+    #[test]
+    fn batch_2() {
+      assert_eq!(cost_cents(Some(CommonResolution::SevenTwentyP), 5, 2), 200);
+      assert_eq!(cost_cents(Some(CommonResolution::SevenTwentyP), 15, 2), 600);
+    }
+
+    #[test]
+    fn batch_4() {
+      assert_eq!(cost_cents(Some(CommonResolution::SevenTwentyP), 5, 4), 400);
+      assert_eq!(cost_cents(Some(CommonResolution::SevenTwentyP), 15, 4), 1200);
+    }
+
+    #[test]
+    fn none_defaults_to_720p() {
+      assert_eq!(cost_cents(None, 5, 1), cost_cents(Some(CommonResolution::SevenTwentyP), 5, 1));
+    }
+  }
+
+  // -- 480p pricing --
+
+  mod pricing_480p {
+    use super::*;
+
+    #[test]
+    fn batch_1() {
+      assert_eq!(cost_cents(Some(CommonResolution::FourEightyP), 4, 1), 36);
+      assert_eq!(cost_cents(Some(CommonResolution::FourEightyP), 5, 1), 45);
+      assert_eq!(cost_cents(Some(CommonResolution::FourEightyP), 10, 1), 90);
+      assert_eq!(cost_cents(Some(CommonResolution::FourEightyP), 15, 1), 135);
+    }
+
+    #[test]
+    fn batch_2() {
+      assert_eq!(cost_cents(Some(CommonResolution::FourEightyP), 5, 2), 90);
+    }
+
+    #[test]
+    fn batch_4() {
+      assert_eq!(cost_cents(Some(CommonResolution::FourEightyP), 5, 4), 180);
+    }
+  }
+
+  // -- Relative pricing --
+
+  mod relative_pricing_tests {
+    use super::*;
+
+    #[test]
+    fn cost_480p_cheaper_than_720p() {
+      let c480 = cost_cents(Some(CommonResolution::FourEightyP), 5, 1);
+      let c720 = cost_cents(Some(CommonResolution::SevenTwentyP), 5, 1);
+      assert!(c480 < c720);
+    }
+
+    #[test]
+    fn cost_scales_with_duration() {
+      let c4 = cost_cents(Some(CommonResolution::SevenTwentyP), 4, 1);
+      let c10 = cost_cents(Some(CommonResolution::SevenTwentyP), 10, 1);
+      let c15 = cost_cents(Some(CommonResolution::SevenTwentyP), 15, 1);
+      assert!(c4 < c10);
+      assert!(c10 < c15);
+    }
+
+    #[test]
+    fn cost_scales_with_batch() {
+      let b1 = cost_cents(Some(CommonResolution::SevenTwentyP), 5, 1);
+      let b2 = cost_cents(Some(CommonResolution::SevenTwentyP), 5, 2);
+      let b4 = cost_cents(Some(CommonResolution::SevenTwentyP), 5, 4);
+      assert!(b1 < b2);
+      assert!(b2 < b4);
+    }
+  }
+
+  // -- Credits equal cents --
+
+  mod credits_tests {
+    use super::*;
+
+    #[test]
+    fn credits_equal_usd_cents_all_combos() {
+      let resolutions = [
+        Some(CommonResolution::FourEightyP),
+        Some(CommonResolution::SevenTwentyP),
+        None,
+      ];
+      for res in resolutions {
+        for dur in [4, 5, 10, 15] {
+          for batch in [1, 2, 4] {
+            let cost = build_cost(res, dur, batch);
+            assert_eq!(
+              cost.cost_in_credits, cost.cost_in_usd_cents,
+              "credits should equal cents for res={:?} dur={}s batch={}",
+              res, dur, batch,
+            );
+          }
+        }
+      }
+    }
+  }
+
+  // -- Helpers --
+
+  fn build_cost(
+    resolution: Option<CommonResolution>,
+    duration_seconds: u16,
+    video_batch_count: u16,
+  ) -> crate::generate::generate_video::video_generation_cost_estimate::VideoGenerationCostEstimate {
+    let builder = GenerateVideoRequestBuilder {
+      model: CommonVideoModel::PreviewModelFast,
+      provider: Provider::Artcraft,
+      resolution,
+      duration_seconds: Some(duration_seconds),
+      video_batch_count: Some(video_batch_count),
+      ..Default::default()
+    };
+    builder.build2()
+      .expect("build2 should succeed")
+      .estimate_cost()
+      .expect("estimate_cost should succeed")
+  }
+
+  fn cost_cents(
+    resolution: Option<CommonResolution>,
+    duration_seconds: u16,
+    video_batch_count: u16,
+  ) -> u64 {
+    build_cost(resolution, duration_seconds, video_batch_count)
+      .cost_in_usd_cents
+      .unwrap()
+  }
+}

crates/api_clients/artcraft/artcraft_router/src/generate/generate_video_v2/providers/artcraft/preview_model_fast/mod.rs

@@ -0,0 +1,3 @@
+pub mod build;
+pub mod cost;
+pub mod request;

crates/api_clients/artcraft/artcraft_router/src/generate/generate_video_v2/providers/artcraft/preview_model_fast/request.rs

@@ -0,0 +1,32 @@
+use artcraft_api_defs::omni_gen::cost_and_generate_requests::omni_gen_video_cost_and_generate_request::OmniGenVideoCostAndGenerateRequest;
+use artcraft_client::endpoints::omni_gen::generate::video::omni_gen_video::omni_gen_video_generate;
+
+use crate::client::router_artcraft_client::RouterArtcraftClient;
+use crate::errors::artcraft_router_error::ArtcraftRouterError;
+use crate::errors::provider_error::ProviderError;
+use crate::generate::generate_video::generate_video_response::{
+  ArtcraftVideoResponsePayload, GenerateVideoResponse,
+};
+
+#[derive(Clone, Debug)]
+pub struct ArtcraftPreviewModelFastRequestState {
+  /// Final materialized request; ready to fire via the omni-gen video endpoint.
+  pub request: OmniGenVideoCostAndGenerateRequest,
+}
+
+impl ArtcraftPreviewModelFastRequestState {
+  pub async fn send(&self, client: &RouterArtcraftClient) -> Result<GenerateVideoResponse, ArtcraftRouterError> {
+    let response = omni_gen_video_generate(
+      &client.api_host,
+      Some(&client.credentials),
+      self.request.clone(),
+    )
+      .await
+      .map_err(|err| ArtcraftRouterError::Provider(ProviderError::Storyteller(err)))?;
+
+    Ok(GenerateVideoResponse::Artcraft(ArtcraftVideoResponsePayload {
+      inference_job_token: response.inference_job_token.clone(),
+      all_inference_job_tokens: vec![response.inference_job_token],
+    }))
+  }
+}

crates/api_clients/artcraft/artcraft_router/src/generate/generate_video_v2/video_generation_request.rs

@@ -5,6 +5,10 @@ use crate::generate::generate_video::generate_video_response::GenerateVideoRespo
 use crate::generate::generate_video::video_generation_cost_estimate::VideoGenerationCostEstimate;
 use crate::generate::generate_video_v2::providers::artcraft::happy_horse_1p0::cost::ArtcraftHappyHorse1p0CostState;
 use crate::generate::generate_video_v2::providers::artcraft::happy_horse_1p0::request::ArtcraftHappyHorse1p0RequestState;
+use crate::generate::generate_video_v2::providers::artcraft::preview_model::cost::ArtcraftPreviewModelCostState;
+use crate::generate::generate_video_v2::providers::artcraft::preview_model::request::ArtcraftPreviewModelRequestState;
+use crate::generate::generate_video_v2::providers::artcraft::preview_model_fast::cost::ArtcraftPreviewModelFastCostState;
+use crate::generate::generate_video_v2::providers::artcraft::preview_model_fast::request::ArtcraftPreviewModelFastRequestState;
 use crate::generate::generate_video_v2::providers::artcraft::seedance_2p0::cost::ArtcraftSeedance2p0CostState;
 use crate::generate::generate_video_v2::providers::artcraft::seedance_2p0::request::ArtcraftSeedance2p0RequestState;
 use crate::generate::generate_video_v2::providers::artcraft::seedance_2p0_fast::cost::ArtcraftSeedance2p0FastCostState;
@@ -27,6 +31,8 @@ use crate::generate::generate_video_v2::providers::kinovi::seedance_2p0_fast::re
 #[derive(Clone, Debug)]
 pub enum VideoGenerationRequest {
   ArtcraftHappyHorse1p0(ArtcraftHappyHorse1p0RequestState),
+  ArtcraftPreviewModel(ArtcraftPreviewModelRequestState),
+  ArtcraftPreviewModelFast(ArtcraftPreviewModelFastRequestState),
   ArtcraftSeedance2p0(ArtcraftSeedance2p0RequestState),
   ArtcraftSeedance2p0Fast(ArtcraftSeedance2p0FastRequestState),
   ArtcraftSeedance2p0G(ArtcraftSeedance2p0GRequestState),
@@ -43,6 +49,8 @@ impl VideoGenerationRequest {
   pub fn get_provider(&self) -> Provider {
     match self {
       Self::ArtcraftHappyHorse1p0(_) => Provider::Artcraft,
+      Self::ArtcraftPreviewModel(_) => Provider::Artcraft,
+      Self::ArtcraftPreviewModelFast(_) => Provider::Artcraft,
       Self::ArtcraftSeedance2p0(_) => Provider::Artcraft,
       Self::ArtcraftSeedance2p0Fast(_) => Provider::Artcraft,
       Self::ArtcraftSeedance2p0G(_) => Provider::Artcraft,
@@ -59,6 +67,8 @@ impl VideoGenerationRequest {
   pub fn estimate_cost(&self) -> Result<VideoGenerationCostEstimate, ArtcraftRouterError> {
     match self {
       VideoGenerationRequest::ArtcraftHappyHorse1p0(request) => Ok(ArtcraftHappyHorse1p0CostState::from_request(request).estimate_cost()),
+      VideoGenerationRequest::ArtcraftPreviewModel(request) => Ok(ArtcraftPreviewModelCostState::from_request(request).estimate_cost()),
+      VideoGenerationRequest::ArtcraftPreviewModelFast(request) => Ok(ArtcraftPreviewModelFastCostState::from_request(request).estimate_cost()),
       VideoGenerationRequest::ArtcraftSeedance2p0(request) => Ok(ArtcraftSeedance2p0CostState::from_request(request).estimate_cost()),
       VideoGenerationRequest::ArtcraftSeedance2p0Fast(request) => Ok(ArtcraftSeedance2p0FastCostState::from_request(request).estimate_cost()),
       VideoGenerationRequest::ArtcraftSeedance2p0G(request) => Ok(ArtcraftSeedance2p0GCostState::from_request(request).estimate_cost()),
@@ -79,6 +89,14 @@ impl VideoGenerationRequest {
         let client_ref = client.get_artcraft_client_ref()?;
         request.send(client_ref).await
       },
+      VideoGenerationRequest::ArtcraftPreviewModel(request) => {
+        let client_ref = client.get_artcraft_client_ref()?;
+        request.send(client_ref).await
+      },
+      VideoGenerationRequest::ArtcraftPreviewModelFast(request) => {
+        let client_ref = client.get_artcraft_client_ref()?;
+        request.send(client_ref).await
+      },
       VideoGenerationRequest::ArtcraftSeedance2p0(request) => {
         let client_ref = client.get_artcraft_client_ref()?;
         request.send(client_ref).await