artcraft_router artcraft

crates/api_clients/artcraft/artcraft_router/src/generate/generate_image/generate_image_request_builder.rs

@@ -16,6 +16,9 @@ use crate::generate::generate_image::providers::artcraft::flux_pro_1p1_ultra::bu
 use crate::generate::generate_image::providers::artcraft::gpt_image_1::build::build_artcraft_gpt_image_1;
 use crate::generate::generate_image::providers::artcraft::gpt_image_1p5::build::build_artcraft_gpt_image_1p5;
 use crate::generate::generate_image::providers::artcraft::gpt_image_2::build::build_artcraft_gpt_image_2;
+use crate::generate::generate_image::providers::artcraft::midjourney_7::build::build_artcraft_midjourney_7;
+use crate::generate::generate_image::providers::artcraft::midjourney_7_niji::build::build_artcraft_midjourney_7_niji;
+use crate::generate::generate_image::providers::artcraft::midjourney_8::build::build_artcraft_midjourney_8;
 use crate::generate::generate_image::providers::artcraft::nano_banana::build::build_artcraft_nano_banana;
 use crate::generate::generate_image::providers::artcraft::nano_banana_2::build::build_artcraft_nano_banana_2;
 use crate::generate::generate_image::providers::artcraft::nano_banana_pro::build::build_artcraft_nano_banana_pro;
@@ -118,6 +121,9 @@ impl GenerateImageRequestBuilder {
       (RouterProvider::Artcraft, RouterImageModel::Seedream5Lite) => build_artcraft_seedream_5_lite(self),
       (RouterProvider::Artcraft, RouterImageModel::QwenEdit2511Angles) => build_artcraft_qwen_edit_2511_angles(self),
       (RouterProvider::Artcraft, RouterImageModel::Flux2LoraAngles) => build_artcraft_flux_2_lora_angles(self),
+      (RouterProvider::Artcraft, RouterImageModel::Midjourney7) => build_artcraft_midjourney_7(self),
+      (RouterProvider::Artcraft, RouterImageModel::Midjourney7Niji) => build_artcraft_midjourney_7_niji(self),
+      (RouterProvider::Artcraft, RouterImageModel::Midjourney8) => build_artcraft_midjourney_8(self),
 
       (RouterProvider::Fal, RouterImageModel::Flux1Dev) => build_fal_flux_1_dev(self),
       (RouterProvider::Fal, RouterImageModel::Flux1Schnell) => build_fal_flux_1_schnell(self),

crates/api_clients/artcraft/artcraft_router/src/generate/generate_image/image_generation_request.rs

@@ -19,6 +19,12 @@ use crate::generate::generate_image::providers::artcraft::gpt_image_1p5::cost::A
 use crate::generate::generate_image::providers::artcraft::gpt_image_1p5::request::ArtcraftGptImage1p5RequestState;
 use crate::generate::generate_image::providers::artcraft::gpt_image_2::cost::ArtcraftGptImage2CostState;
 use crate::generate::generate_image::providers::artcraft::gpt_image_2::request::ArtcraftGptImage2RequestState;
+use crate::generate::generate_image::providers::artcraft::midjourney_7::cost::ArtcraftMidjourney7CostState;
+use crate::generate::generate_image::providers::artcraft::midjourney_7::request::ArtcraftMidjourney7RequestState;
+use crate::generate::generate_image::providers::artcraft::midjourney_7_niji::cost::ArtcraftMidjourney7NijiCostState;
+use crate::generate::generate_image::providers::artcraft::midjourney_7_niji::request::ArtcraftMidjourney7NijiRequestState;
+use crate::generate::generate_image::providers::artcraft::midjourney_8::cost::ArtcraftMidjourney8CostState;
+use crate::generate::generate_image::providers::artcraft::midjourney_8::request::ArtcraftMidjourney8RequestState;
 use crate::generate::generate_image::providers::artcraft::nano_banana::cost::ArtcraftNanoBananaCostState;
 use crate::generate::generate_image::providers::artcraft::nano_banana::request::ArtcraftNanoBananaRequestState;
 use crate::generate::generate_image::providers::artcraft::nano_banana_2::cost::ArtcraftNanoBanana2CostState;
@@ -88,6 +94,9 @@ pub enum ImageGenerationRequest {
   ArtcraftSeedream5Lite(ArtcraftSeedream5LiteRequestState),
   ArtcraftQwenEdit2511Angles(ArtcraftQwenEdit2511AnglesRequestState),
   ArtcraftFlux2LoraAngles(ArtcraftFlux2LoraAnglesRequestState),
+  ArtcraftMidjourney7(ArtcraftMidjourney7RequestState),
+  ArtcraftMidjourney7Niji(ArtcraftMidjourney7NijiRequestState),
+  ArtcraftMidjourney8(ArtcraftMidjourney8RequestState),
 
   // ── Fal provider ──
   FalFlux1Dev(FalFlux1DevRequestState),
@@ -130,6 +139,9 @@ impl ImageGenerationRequest {
       Self::ArtcraftSeedream5Lite(_) => RouterProvider::Artcraft,
       Self::ArtcraftQwenEdit2511Angles(_) => RouterProvider::Artcraft,
       Self::ArtcraftFlux2LoraAngles(_) => RouterProvider::Artcraft,
+      Self::ArtcraftMidjourney7(_) => RouterProvider::Artcraft,
+      Self::ArtcraftMidjourney7Niji(_) => RouterProvider::Artcraft,
+      Self::ArtcraftMidjourney8(_) => RouterProvider::Artcraft,
 
       Self::FalFlux1Dev(_) => RouterProvider::Fal,
       Self::FalFlux1Schnell(_) => RouterProvider::Fal,
@@ -201,6 +213,15 @@ impl ImageGenerationRequest {
       Self::ArtcraftFlux2LoraAngles(request) => {
         Ok(ArtcraftFlux2LoraAnglesCostState::from_request(request).estimate_cost())
       }
+      Self::ArtcraftMidjourney7(request) => {
+        Ok(ArtcraftMidjourney7CostState::from_request(request).estimate_cost())
+      }
+      Self::ArtcraftMidjourney7Niji(request) => {
+        Ok(ArtcraftMidjourney7NijiCostState::from_request(request).estimate_cost())
+      }
+      Self::ArtcraftMidjourney8(request) => {
+        Ok(ArtcraftMidjourney8CostState::from_request(request).estimate_cost())
+      }
 
       // ── Fal ──
       Self::FalFlux1Dev(request) => Ok(FalFlux1DevCostState::from_request(request).estimate_cost()),
@@ -288,6 +309,18 @@ impl ImageGenerationRequest {
         let artcraft_client = client.get_artcraft_client_ref()?;
         request.send(artcraft_client).await
       }
+      Self::ArtcraftMidjourney7(request) => {
+        let artcraft_client = client.get_artcraft_client_ref()?;
+        request.send(artcraft_client).await
+      }
+      Self::ArtcraftMidjourney7Niji(request) => {
+        let artcraft_client = client.get_artcraft_client_ref()?;
+        request.send(artcraft_client).await
+      }
+      Self::ArtcraftMidjourney8(request) => {
+        let artcraft_client = client.get_artcraft_client_ref()?;
+        request.send(artcraft_client).await
+      }
 
       // ── Fal ──
       Self::FalFlux1Dev(request) => {

crates/api_clients/artcraft/artcraft_router/src/generate/generate_image/providers/artcraft/midjourney_7/build.rs

@@ -0,0 +1,17 @@
+use enums::common::generation::common_image_model::CommonImageModel as CommonImageModelEnum;
+
+use crate::errors::artcraft_router_error::ArtcraftRouterError;
+use crate::generate::generate_image::generate_image_request_builder::GenerateImageRequestBuilder;
+use crate::generate::generate_image::image_generation_draft_or_request::ImageGenerationDraftOrRequest;
+use crate::generate::generate_image::image_generation_request::ImageGenerationRequest;
+use crate::generate::generate_image::providers::artcraft::build_common::build_artcraft_omni_image_request;
+use crate::generate::generate_image::providers::artcraft::midjourney_7::request::ArtcraftMidjourney7RequestState;
+
+pub fn build_artcraft_midjourney_7(
+  builder: GenerateImageRequestBuilder,
+) -> Result<ImageGenerationDraftOrRequest, ArtcraftRouterError> {
+  let request = build_artcraft_omni_image_request(builder, CommonImageModelEnum::Midjourney7)?;
+  Ok(ImageGenerationDraftOrRequest::Request(
+    ImageGenerationRequest::ArtcraftMidjourney7(ArtcraftMidjourney7RequestState { request }),
+  ))
+}

crates/api_clients/artcraft/artcraft_router/src/generate/generate_image/providers/artcraft/midjourney_7/cost.rs

@@ -0,0 +1,186 @@
+use crate::generate::generate_image::image_generation_cost_estimate::ImageGenerationCostEstimate;
+use crate::generate::generate_image::providers::artcraft::midjourney_7::request::ArtcraftMidjourney7RequestState;
+
+/// Cost state for Artcraft Midjourney 7. Pricing mirrors the Kinovi
+/// midjourney_7 provider 1:1 in USD cents — ArtCraft credits map cent-for-cent.
+///
+/// | batch | credits | USD cents |
+/// |-------|---------|-----------|
+/// |   1   |    6    |    6¢     |
+/// |   2   |   12    |   12¢     |
+/// |   3   |   19    |   19¢     |  (interpolated; Kinovi doesn't expose 3)
+/// |   4   |   25    |   25¢     |
+///
+/// Kinovi-side math: 12 Kinovi credits per Midjourney task; 193 Kinovi
+/// credits per USD. Kinovi rounds to nearest cent, so batches 1/2/4 land
+/// on 6/12/25. Batch 3 is `ceil((12 × 3 / 193) × 100) = 19`.
+#[derive(Clone, Debug)]
+pub struct ArtcraftMidjourney7CostState {
+  pub num_images: u16,
+}
+
+impl ArtcraftMidjourney7CostState {
+  pub fn from_request(request: &ArtcraftMidjourney7RequestState) -> Self {
+    Self {
+      num_images: request.request.image_batch_count.unwrap_or(1),
+    }
+  }
+
+  pub fn estimate_cost(&self) -> ImageGenerationCostEstimate {
+    let cost_in_usd_cents = midjourney_cost_for_batch(self.num_images);
+    ImageGenerationCostEstimate {
+      cost_in_credits: Some(cost_in_usd_cents),
+      cost_in_usd_cents: Some(cost_in_usd_cents),
+      is_free: false,
+      is_unlimited: false,
+      is_rate_limited: false,
+      has_watermark: false,
+      failures_are_refunded: None,
+    }
+  }
+}
+
+/// Returns the customer-facing midjourney cost in USD cents for a given
+/// batch count. Shared between v7, v7-niji, and v8 (all three Midjourney
+/// models have identical pricing on Kinovi).
+pub(crate) fn midjourney_cost_for_batch(batch_count: u16) -> u64 {
+  match batch_count {
+    0 => 0, // Defensive; the builder rejects zero before reaching cost.
+    1 => 6,
+    2 => 12,
+    3 => 19,
+    4 => 25,
+    // Should never happen — `plan_batch_count` clamps to 1..=4.
+    _ => 25,
+  }
+}
+
+#[cfg(test)]
+mod tests {
+  use super::*;
+  use crate::api::router_image_model::RouterImageModel;
+  use crate::api::router_provider::RouterProvider;
+  use crate::client::request_mismatch_mitigation_strategy::RequestMismatchMitigationStrategy;
+  use crate::generate::generate_image::generate_image_request_builder::GenerateImageRequestBuilder;
+
+  fn cost_cents(image_batch_count: u16) -> u64 {
+    let builder = GenerateImageRequestBuilder {
+      model: RouterImageModel::Midjourney7,
+      provider: RouterProvider::Artcraft,
+      prompt: Some("a corgi astronaut".to_string()),
+      image_inputs: None,
+      resolution: None,
+      aspect_ratio: None,
+      quality: None,
+      image_batch_count: Some(image_batch_count),
+      horizontal_angle: None,
+      vertical_angle: None,
+      zoom: None,
+      request_mismatch_mitigation_strategy: RequestMismatchMitigationStrategy::ErrorOut,
+      generation_mode_mismatch_strategy: None,
+      idempotency_token: None,
+    };
+    builder.build2().unwrap().estimate_cost().unwrap().cost_in_usd_cents.unwrap()
+  }
+
+  fn cost_credits(image_batch_count: u16) -> u64 {
+    let builder = GenerateImageRequestBuilder {
+      model: RouterImageModel::Midjourney7,
+      provider: RouterProvider::Artcraft,
+      prompt: Some("a corgi astronaut".to_string()),
+      image_inputs: None,
+      resolution: None,
+      aspect_ratio: None,
+      quality: None,
+      image_batch_count: Some(image_batch_count),
+      horizontal_angle: None,
+      vertical_angle: None,
+      zoom: None,
+      request_mismatch_mitigation_strategy: RequestMismatchMitigationStrategy::ErrorOut,
+      generation_mode_mismatch_strategy: None,
+      idempotency_token: None,
+    };
+    builder.build2().unwrap().estimate_cost().unwrap().cost_in_credits.unwrap()
+  }
+
+  // ── Spot checks: each supported batch size ──
+
+  #[test]
+  fn one_image_is_six_cents() { assert_eq!(cost_cents(1), 6); }
+
+  #[test]
+  fn two_images_is_twelve_cents() { assert_eq!(cost_cents(2), 12); }
+
+  #[test]
+  fn three_images_is_nineteen_cents() { assert_eq!(cost_cents(3), 19); }
+
+  #[test]
+  fn four_images_is_twentyfive_cents() { assert_eq!(cost_cents(4), 25); }
+
+  // ── Credits track USD cents exactly (1 credit = 1 cent) ──
+
+  #[test]
+  fn credits_equal_usd_cents() {
+    for batch in 1..=4u16 {
+      assert_eq!(cost_credits(batch), cost_cents(batch),
+        "credits should equal usd cents at batch {}", batch);
+    }
+  }
+
+  // ── 1:1 cost parity with Kinovi for batches 1/2/4 ──
+  //
+  // Kinovi midjourney_7 returns 6/12/25¢ for batches 1/2/4. The artcraft
+  // provider must match those values byte-for-byte so users pay the same.
+
+  mod kinovi_parity {
+    use super::*;
+    use crate::generate::generate_image::providers::kinovi::midjourney_7::cost::KinoviMidjourney7CostState;
+    use seedance2pro_client::generate::image::generate_midjourney_v7::KinoviMidjourneyBatchCount;
+
+    #[test]
+    fn batch_1_matches_kinovi() {
+      let kinovi = KinoviMidjourney7CostState { batch_count: KinoviMidjourneyBatchCount::One }
+        .estimate_cost();
+      assert_eq!(cost_cents(1), kinovi.cost_in_usd_cents.unwrap());
+    }
+
+    #[test]
+    fn batch_2_matches_kinovi() {
+      let kinovi = KinoviMidjourney7CostState { batch_count: KinoviMidjourneyBatchCount::Two }
+        .estimate_cost();
+      assert_eq!(cost_cents(2), kinovi.cost_in_usd_cents.unwrap());
+    }
+
+    #[test]
+    fn batch_4_matches_kinovi() {
+      let kinovi = KinoviMidjourney7CostState { batch_count: KinoviMidjourneyBatchCount::Four }
+        .estimate_cost();
+      assert_eq!(cost_cents(4), kinovi.cost_in_usd_cents.unwrap());
+    }
+  }
+
+  // ── Monotonicity ──
+
+  #[test]
+  fn cost_is_monotonically_increasing() {
+    let c1 = cost_cents(1);
+    let c2 = cost_cents(2);
+    let c3 = cost_cents(3);
+    let c4 = cost_cents(4);
+    assert!(c1 < c2, "{} < {}", c1, c2);
+    assert!(c2 < c3, "{} < {}", c2, c3);
+    assert!(c3 < c4, "{} < {}", c3, c4);
+  }
+
+  // ── Flags ──
+
+  #[test]
+  fn cost_flags_are_correct() {
+    let cost = ArtcraftMidjourney7CostState { num_images: 1 }.estimate_cost();
+    assert!(!cost.is_free);
+    assert!(!cost.is_unlimited);
+    assert!(!cost.is_rate_limited);
+    assert!(!cost.has_watermark);
+    assert_eq!(cost.failures_are_refunded, None);
+  }
+}

crates/api_clients/artcraft/artcraft_router/src/generate/generate_image/providers/artcraft/midjourney_7/mod.rs

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

crates/api_clients/artcraft/artcraft_router/src/generate/generate_image/providers/artcraft/midjourney_7/request.rs

@@ -0,0 +1,17 @@
+use artcraft_api_defs::omni_gen::cost_and_generate_requests::omni_gen_image_cost_and_generate_request::OmniGenImageCostAndGenerateRequest;
+
+use crate::client::router_artcraft_client::RouterArtcraftClient;
+use crate::errors::artcraft_router_error::ArtcraftRouterError;
+use crate::generate::generate_image::generate_image_response::GenerateImageResponse;
+use crate::generate::generate_image::providers::artcraft::request_common::send_artcraft_omni_image_request;
+
+#[derive(Clone, Debug)]
+pub struct ArtcraftMidjourney7RequestState {
+  pub request: OmniGenImageCostAndGenerateRequest,
+}
+
+impl ArtcraftMidjourney7RequestState {
+  pub async fn send(&self, client: &RouterArtcraftClient) -> Result<GenerateImageResponse, ArtcraftRouterError> {
+    send_artcraft_omni_image_request(&self.request, client).await
+  }
+}

crates/api_clients/artcraft/artcraft_router/src/generate/generate_image/providers/artcraft/midjourney_7_niji/build.rs

@@ -0,0 +1,17 @@
+use enums::common::generation::common_image_model::CommonImageModel as CommonImageModelEnum;
+
+use crate::errors::artcraft_router_error::ArtcraftRouterError;
+use crate::generate::generate_image::generate_image_request_builder::GenerateImageRequestBuilder;
+use crate::generate::generate_image::image_generation_draft_or_request::ImageGenerationDraftOrRequest;
+use crate::generate::generate_image::image_generation_request::ImageGenerationRequest;
+use crate::generate::generate_image::providers::artcraft::build_common::build_artcraft_omni_image_request;
+use crate::generate::generate_image::providers::artcraft::midjourney_7_niji::request::ArtcraftMidjourney7NijiRequestState;
+
+pub fn build_artcraft_midjourney_7_niji(
+  builder: GenerateImageRequestBuilder,
+) -> Result<ImageGenerationDraftOrRequest, ArtcraftRouterError> {
+  let request = build_artcraft_omni_image_request(builder, CommonImageModelEnum::Midjourney7Niji)?;
+  Ok(ImageGenerationDraftOrRequest::Request(
+    ImageGenerationRequest::ArtcraftMidjourney7Niji(ArtcraftMidjourney7NijiRequestState { request }),
+  ))
+}

crates/api_clients/artcraft/artcraft_router/src/generate/generate_image/providers/artcraft/midjourney_7_niji/cost.rs

@@ -0,0 +1,113 @@
+use crate::generate::generate_image::image_generation_cost_estimate::ImageGenerationCostEstimate;
+use crate::generate::generate_image::providers::artcraft::midjourney_7::cost::midjourney_cost_for_batch;
+use crate::generate::generate_image::providers::artcraft::midjourney_7_niji::request::ArtcraftMidjourney7NijiRequestState;
+
+/// Cost state for Artcraft Midjourney 7 Niji. Pricing is identical to v7
+/// and v8 on Kinovi, so we share the per-batch table via
+/// `midjourney_cost_for_batch`.
+#[derive(Clone, Debug)]
+pub struct ArtcraftMidjourney7NijiCostState {
+  pub num_images: u16,
+}
+
+impl ArtcraftMidjourney7NijiCostState {
+  pub fn from_request(request: &ArtcraftMidjourney7NijiRequestState) -> Self {
+    Self {
+      num_images: request.request.image_batch_count.unwrap_or(1),
+    }
+  }
+
+  pub fn estimate_cost(&self) -> ImageGenerationCostEstimate {
+    let cost_in_usd_cents = midjourney_cost_for_batch(self.num_images);
+    ImageGenerationCostEstimate {
+      cost_in_credits: Some(cost_in_usd_cents),
+      cost_in_usd_cents: Some(cost_in_usd_cents),
+      is_free: false,
+      is_unlimited: false,
+      is_rate_limited: false,
+      has_watermark: false,
+      failures_are_refunded: None,
+    }
+  }
+}
+
+#[cfg(test)]
+mod tests {
+  use super::*;
+  use crate::api::router_image_model::RouterImageModel;
+  use crate::api::router_provider::RouterProvider;
+  use crate::client::request_mismatch_mitigation_strategy::RequestMismatchMitigationStrategy;
+  use crate::generate::generate_image::generate_image_request_builder::GenerateImageRequestBuilder;
+
+  fn cost_cents(image_batch_count: u16) -> u64 {
+    let builder = GenerateImageRequestBuilder {
+      model: RouterImageModel::Midjourney7Niji,
+      provider: RouterProvider::Artcraft,
+      prompt: Some("anime forest".to_string()),
+      image_inputs: None,
+      resolution: None,
+      aspect_ratio: None,
+      quality: None,
+      image_batch_count: Some(image_batch_count),
+      horizontal_angle: None,
+      vertical_angle: None,
+      zoom: None,
+      request_mismatch_mitigation_strategy: RequestMismatchMitigationStrategy::ErrorOut,
+      generation_mode_mismatch_strategy: None,
+      idempotency_token: None,
+    };
+    builder.build2().unwrap().estimate_cost().unwrap().cost_in_usd_cents.unwrap()
+  }
+
+  #[test]
+  fn batch_1_is_6() { assert_eq!(cost_cents(1), 6); }
+
+  #[test]
+  fn batch_2_is_12() { assert_eq!(cost_cents(2), 12); }
+
+  #[test]
+  fn batch_3_is_19() { assert_eq!(cost_cents(3), 19); }
+
+  #[test]
+  fn batch_4_is_25() { assert_eq!(cost_cents(4), 25); }
+
+  #[test]
+  fn niji_pricing_matches_v7() {
+    use crate::generate::generate_image::providers::artcraft::midjourney_7::cost::ArtcraftMidjourney7CostState;
+    for batch in 1..=4u16 {
+      let v7 = ArtcraftMidjourney7CostState { num_images: batch }.estimate_cost();
+      let niji = ArtcraftMidjourney7NijiCostState { num_images: batch }.estimate_cost();
+      assert_eq!(v7.cost_in_usd_cents, niji.cost_in_usd_cents, "batch {}", batch);
+      assert_eq!(v7.cost_in_credits, niji.cost_in_credits, "batch {}", batch);
+    }
+  }
+
+  // ── 1:1 cost parity with Kinovi 7-niji ──
+
+  mod kinovi_parity {
+    use super::*;
+    use crate::generate::generate_image::providers::kinovi::midjourney_7_niji::cost::KinoviMidjourney7NijiCostState;
+    use seedance2pro_client::generate::image::generate_midjourney_v7_niji::KinoviMidjourneyBatchCount;
+
+    #[test]
+    fn batch_1_matches_kinovi() {
+      let kinovi = KinoviMidjourney7NijiCostState { batch_count: KinoviMidjourneyBatchCount::One }
+        .estimate_cost();
+      assert_eq!(cost_cents(1), kinovi.cost_in_usd_cents.unwrap());
+    }
+
+    #[test]
+    fn batch_2_matches_kinovi() {
+      let kinovi = KinoviMidjourney7NijiCostState { batch_count: KinoviMidjourneyBatchCount::Two }
+        .estimate_cost();
+      assert_eq!(cost_cents(2), kinovi.cost_in_usd_cents.unwrap());
+    }
+
+    #[test]
+    fn batch_4_matches_kinovi() {
+      let kinovi = KinoviMidjourney7NijiCostState { batch_count: KinoviMidjourneyBatchCount::Four }
+        .estimate_cost();
+      assert_eq!(cost_cents(4), kinovi.cost_in_usd_cents.unwrap());
+    }
+  }
+}

crates/api_clients/artcraft/artcraft_router/src/generate/generate_image/providers/artcraft/midjourney_7_niji/mod.rs

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

crates/api_clients/artcraft/artcraft_router/src/generate/generate_image/providers/artcraft/midjourney_7_niji/request.rs

@@ -0,0 +1,17 @@
+use artcraft_api_defs::omni_gen::cost_and_generate_requests::omni_gen_image_cost_and_generate_request::OmniGenImageCostAndGenerateRequest;
+
+use crate::client::router_artcraft_client::RouterArtcraftClient;
+use crate::errors::artcraft_router_error::ArtcraftRouterError;
+use crate::generate::generate_image::generate_image_response::GenerateImageResponse;
+use crate::generate::generate_image::providers::artcraft::request_common::send_artcraft_omni_image_request;
+
+#[derive(Clone, Debug)]
+pub struct ArtcraftMidjourney7NijiRequestState {
+  pub request: OmniGenImageCostAndGenerateRequest,
+}
+
+impl ArtcraftMidjourney7NijiRequestState {
+  pub async fn send(&self, client: &RouterArtcraftClient) -> Result<GenerateImageResponse, ArtcraftRouterError> {
+    send_artcraft_omni_image_request(&self.request, client).await
+  }
+}

crates/api_clients/artcraft/artcraft_router/src/generate/generate_image/providers/artcraft/midjourney_8/build.rs

@@ -0,0 +1,17 @@
+use enums::common::generation::common_image_model::CommonImageModel as CommonImageModelEnum;
+
+use crate::errors::artcraft_router_error::ArtcraftRouterError;
+use crate::generate::generate_image::generate_image_request_builder::GenerateImageRequestBuilder;
+use crate::generate::generate_image::image_generation_draft_or_request::ImageGenerationDraftOrRequest;
+use crate::generate::generate_image::image_generation_request::ImageGenerationRequest;
+use crate::generate::generate_image::providers::artcraft::build_common::build_artcraft_omni_image_request;
+use crate::generate::generate_image::providers::artcraft::midjourney_8::request::ArtcraftMidjourney8RequestState;
+
+pub fn build_artcraft_midjourney_8(
+  builder: GenerateImageRequestBuilder,
+) -> Result<ImageGenerationDraftOrRequest, ArtcraftRouterError> {
+  let request = build_artcraft_omni_image_request(builder, CommonImageModelEnum::Midjourney8)?;
+  Ok(ImageGenerationDraftOrRequest::Request(
+    ImageGenerationRequest::ArtcraftMidjourney8(ArtcraftMidjourney8RequestState { request }),
+  ))
+}

crates/api_clients/artcraft/artcraft_router/src/generate/generate_image/providers/artcraft/midjourney_8/cost.rs

@@ -0,0 +1,113 @@
+use crate::generate::generate_image::image_generation_cost_estimate::ImageGenerationCostEstimate;
+use crate::generate::generate_image::providers::artcraft::midjourney_7::cost::midjourney_cost_for_batch;
+use crate::generate::generate_image::providers::artcraft::midjourney_8::request::ArtcraftMidjourney8RequestState;
+
+/// Cost state for Artcraft Midjourney 8. Pricing is identical to v7 and
+/// v7-niji on Kinovi; shares the per-batch table via
+/// `midjourney_cost_for_batch`.
+#[derive(Clone, Debug)]
+pub struct ArtcraftMidjourney8CostState {
+  pub num_images: u16,
+}
+
+impl ArtcraftMidjourney8CostState {
+  pub fn from_request(request: &ArtcraftMidjourney8RequestState) -> Self {
+    Self {
+      num_images: request.request.image_batch_count.unwrap_or(1),
+    }
+  }
+
+  pub fn estimate_cost(&self) -> ImageGenerationCostEstimate {
+    let cost_in_usd_cents = midjourney_cost_for_batch(self.num_images);
+    ImageGenerationCostEstimate {
+      cost_in_credits: Some(cost_in_usd_cents),
+      cost_in_usd_cents: Some(cost_in_usd_cents),
+      is_free: false,
+      is_unlimited: false,
+      is_rate_limited: false,
+      has_watermark: false,
+      failures_are_refunded: None,
+    }
+  }
+}
+
+#[cfg(test)]
+mod tests {
+  use super::*;
+  use crate::api::router_image_model::RouterImageModel;
+  use crate::api::router_provider::RouterProvider;
+  use crate::client::request_mismatch_mitigation_strategy::RequestMismatchMitigationStrategy;
+  use crate::generate::generate_image::generate_image_request_builder::GenerateImageRequestBuilder;
+
+  fn cost_cents(image_batch_count: u16) -> u64 {
+    let builder = GenerateImageRequestBuilder {
+      model: RouterImageModel::Midjourney8,
+      provider: RouterProvider::Artcraft,
+      prompt: Some("a haunted mansion".to_string()),
+      image_inputs: None,
+      resolution: None,
+      aspect_ratio: None,
+      quality: None,
+      image_batch_count: Some(image_batch_count),
+      horizontal_angle: None,
+      vertical_angle: None,
+      zoom: None,
+      request_mismatch_mitigation_strategy: RequestMismatchMitigationStrategy::ErrorOut,
+      generation_mode_mismatch_strategy: None,
+      idempotency_token: None,
+    };
+    builder.build2().unwrap().estimate_cost().unwrap().cost_in_usd_cents.unwrap()
+  }
+
+  #[test]
+  fn batch_1_is_6() { assert_eq!(cost_cents(1), 6); }
+
+  #[test]
+  fn batch_2_is_12() { assert_eq!(cost_cents(2), 12); }
+
+  #[test]
+  fn batch_3_is_19() { assert_eq!(cost_cents(3), 19); }
+
+  #[test]
+  fn batch_4_is_25() { assert_eq!(cost_cents(4), 25); }
+
+  #[test]
+  fn v8_pricing_matches_v7() {
+    use crate::generate::generate_image::providers::artcraft::midjourney_7::cost::ArtcraftMidjourney7CostState;
+    for batch in 1..=4u16 {
+      let v7 = ArtcraftMidjourney7CostState { num_images: batch }.estimate_cost();
+      let v8 = ArtcraftMidjourney8CostState { num_images: batch }.estimate_cost();
+      assert_eq!(v7.cost_in_usd_cents, v8.cost_in_usd_cents, "batch {}", batch);
+      assert_eq!(v7.cost_in_credits, v8.cost_in_credits, "batch {}", batch);
+    }
+  }
+
+  // ── 1:1 cost parity with Kinovi v8 ──
+
+  mod kinovi_parity {
+    use super::*;
+    use crate::generate::generate_image::providers::kinovi::midjourney_8::cost::KinoviMidjourney8CostState;
+    use seedance2pro_client::generate::image::generate_midjourney_v8::KinoviMidjourneyBatchCount;
+
+    #[test]
+    fn batch_1_matches_kinovi() {
+      let kinovi = KinoviMidjourney8CostState { batch_count: KinoviMidjourneyBatchCount::One }
+        .estimate_cost();
+      assert_eq!(cost_cents(1), kinovi.cost_in_usd_cents.unwrap());
+    }
+
+    #[test]
+    fn batch_2_matches_kinovi() {
+      let kinovi = KinoviMidjourney8CostState { batch_count: KinoviMidjourneyBatchCount::Two }
+        .estimate_cost();
+      assert_eq!(cost_cents(2), kinovi.cost_in_usd_cents.unwrap());
+    }
+
+    #[test]
+    fn batch_4_matches_kinovi() {
+      let kinovi = KinoviMidjourney8CostState { batch_count: KinoviMidjourneyBatchCount::Four }
+        .estimate_cost();
+      assert_eq!(cost_cents(4), kinovi.cost_in_usd_cents.unwrap());
+    }
+  }
+}

crates/api_clients/artcraft/artcraft_router/src/generate/generate_image/providers/artcraft/midjourney_8/mod.rs

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

crates/api_clients/artcraft/artcraft_router/src/generate/generate_image/providers/artcraft/midjourney_8/request.rs

@@ -0,0 +1,17 @@
+use artcraft_api_defs::omni_gen::cost_and_generate_requests::omni_gen_image_cost_and_generate_request::OmniGenImageCostAndGenerateRequest;
+
+use crate::client::router_artcraft_client::RouterArtcraftClient;
+use crate::errors::artcraft_router_error::ArtcraftRouterError;
+use crate::generate::generate_image::generate_image_response::GenerateImageResponse;
+use crate::generate::generate_image::providers::artcraft::request_common::send_artcraft_omni_image_request;
+
+#[derive(Clone, Debug)]
+pub struct ArtcraftMidjourney8RequestState {
+  pub request: OmniGenImageCostAndGenerateRequest,
+}
+
+impl ArtcraftMidjourney8RequestState {
+  pub async fn send(&self, client: &RouterArtcraftClient) -> Result<GenerateImageResponse, ArtcraftRouterError> {
+    send_artcraft_omni_image_request(&self.request, client).await
+  }
+}

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

@@ -8,6 +8,9 @@ pub mod flux_pro_1p1_ultra;
 pub mod gpt_image_1;
 pub mod gpt_image_1p5;
 pub mod gpt_image_2;
+pub mod midjourney_7;
+pub mod midjourney_7_niji;
+pub mod midjourney_8;
 pub mod nano_banana;
 pub mod nano_banana_2;
 pub mod nano_banana_pro;