diff --git a/crates/service/job/inference_job/src/job/job_types/workflow/comfy_ui/comfy_ui_inference_command.rs b/crates/service/job/inference_job/src/job/job_types/workflow/comfy_ui/comfy_ui_inference_command.rs
index b62110d84a..548ab0fd55 100644
--- a/crates/service/job/inference_job/src/job/job_types/workflow/comfy_ui/comfy_ui_inference_command.rs
+++ b/crates/service/job/inference_job/src/job/job_types/workflow/comfy_ui/comfy_ui_inference_command.rs
@@ -82,28 +82,36 @@ pub struct InferenceArgs<'s> {
     pub stderr_output_file: &'s Path,
     pub stdout_output_file: &'s Path,
 
-    /// Location of the prompt JSON file
-    pub prompt_location: &'s Path,
-
-    /// Positive prompt file.
-    /// If set, Python will be in charge of overwriting the prompt JSON file
-    /// with the correct workflow args.
-    pub maybe_positive_prompt_filename: Option<&'s Path>,
-
-    /// Negative prompt file.
-    /// If set, Python will be in charge of overwriting the prompt JSON file
-    /// with the correct workflow args.
-    pub maybe_negative_prompt_filename: Option<&'s Path>,
-
-    /// Style name
-    /// If set, Python will be in charge of overwriting the prompt JSON file
-    /// with the correct workflow args.
-    pub maybe_style: Option<StyleTransferName>,
+    pub inference_details: InferenceDetails<'s>,
 
     pub face_detailer_enabled: bool,
     pub upscaler_enabled: bool,
 }
 
+pub enum InferenceDetails<'s> {
+    OldRustArgs {
+        /// Location of the prompt JSON file
+        /// Optional: This is used if the Rust side controls this prompt JSON construction.
+        prompt_location: PathBuf,
+    },
+    NewPythonArgs {
+        /// Positive prompt file.
+        /// Optional: If set, Python will be in charge of overwriting the prompt JSON file
+        /// with the correct workflow args.
+        maybe_positive_prompt_filename: Option<&'s Path>,
+
+        /// Negative prompt file.
+        /// Optional: If set, Python will be in charge of overwriting the prompt JSON file
+        /// with the correct workflow args.
+        maybe_negative_prompt_filename: Option<&'s Path>,
+
+        /// Style name
+        /// Optional: If set, Python will be in charge of overwriting the prompt JSON file
+        /// with the correct workflow args.
+        maybe_style: Option<StyleTransferName>,
+    },
+}
+
 impl ComfyInferenceCommand {
     pub fn from_env() -> AnyhowResult<Self> {
         let comfy_root_code_directory = easyenv::get_env_pathbuf_required(
@@ -215,26 +223,35 @@ impl ComfyInferenceCommand {
             }
         }
 
-        command.push_str(" --prompt ");
-        command.push_str(&path_to_string(args.prompt_location));
-        command.push_str(" ");
+        match args.inference_details {
+            InferenceDetails::OldRustArgs { ref prompt_location } => {
+                command.push_str(" --prompt ");
+                command.push_str(&path_to_string(prompt_location));
+                command.push_str(" ");
+            }
+            InferenceDetails::NewPythonArgs {
+                maybe_positive_prompt_filename,
+                maybe_negative_prompt_filename,
+                maybe_style
+            } => {
+                if let Some(positive_prompt_filename) = maybe_positive_prompt_filename {
+                    command.push_str(" --positive_prompt_filename ");
+                    command.push_str(&path_to_string(positive_prompt_filename));
+                    command.push_str(" ");
+                }
 
-        if let Some(positive_prompt_filename) = args.maybe_positive_prompt_filename {
-            command.push_str(" --positive_prompt_filename ");
-            command.push_str(&path_to_string(positive_prompt_filename));
-            command.push_str(" ");
-        }
+                if let Some(negative_prompt_filename) = maybe_negative_prompt_filename {
+                    command.push_str(" --negative_prompt_filename ");
+                    command.push_str(&path_to_string(negative_prompt_filename));
+                    command.push_str(" ");
+                }
 
-        if let Some(negative_prompt_filename) = args.maybe_negative_prompt_filename {
-            command.push_str(" --negative_prompt_filename ");
-            command.push_str(&path_to_string(negative_prompt_filename));
-            command.push_str(" ");
-        }
-
-        if let Some(style) = args.maybe_style {
-            command.push_str(" --style ");
-            command.push_str(style.to_str());
-            command.push_str(" ");
+                if let Some(style) = maybe_style {
+                    command.push_str(" --style ");
+                    command.push_str(style.to_str());
+                    command.push_str(" ");
+                }
+            }
         }
 
         if args.face_detailer_enabled {
diff --git a/crates/service/job/inference_job/src/job/job_types/workflow/comfy_ui/process_job.rs b/crates/service/job/inference_job/src/job/job_types/workflow/comfy_ui/process_job.rs
index f0cc4e77c8..495fc2790a 100644
--- a/crates/service/job/inference_job/src/job/job_types/workflow/comfy_ui/process_job.rs
+++ b/crates/service/job/inference_job/src/job/job_types/workflow/comfy_ui/process_job.rs
@@ -39,7 +39,7 @@ use tokens::tokens::prompts::PromptToken;
 
 use crate::job::job_loop::job_success_result::{JobSuccessResult, ResultEntity};
 use crate::job::job_loop::process_single_job_error::ProcessSingleJobError;
-use crate::job::job_types::workflow::comfy_ui::comfy_ui_inference_command::InferenceArgs;
+use crate::job::job_types::workflow::comfy_ui::comfy_ui_inference_command::{InferenceArgs, InferenceDetails};
 use crate::job::job_types::workflow::comfy_ui::job_outputs::JobOutputs;
 use crate::job::job_types::workflow::comfy_ui::validate_job::validate_job;
 use crate::job_dependencies::JobDependencies;
@@ -374,29 +374,41 @@ pub async fn process_job(args: ComfyProcessJobArgs<'_>) -> Result<JobSuccessResu
 
     let inference_start_time = Instant::now();
 
-    let prompt_path = PathBuf::from(&workflow_path);
-
     let positive_prompt_file = work_temp_dir.path().join("positive_prompt.txt");
     let negative_prompt_file = work_temp_dir.path().join("negative_prompt.txt");
 
-    let mut maybe_style = None;
-    let mut maybe_positive_prompt_filename = None;
-    let mut maybe_negative_prompt_filename = None;
+    let inference_details;
 
     // NB: We're rolling forward to a world where the JSON modifications are performed on the Python side.
     let python_side_orchestration = comfy_args.rollout_python_workflow_args.unwrap_or(false);
 
     if python_side_orchestration {
-        maybe_style = comfy_args.style_name;
+        let maybe_positive_prompt_filename = comfy_args.positive_prompt
+            .as_deref()
+            .map(|prompt| {
+                std::fs::write(&positive_prompt_file, prompt)
+                    .map(|_| positive_prompt_file.as_path())
+                    .map_err(|e| ProcessSingleJobError::IoError(e))
+            })
+            .transpose()?;
 
-        if let Some(positive_prompt) = comfy_args.positive_prompt.as_deref() {
-            std::fs::write(&positive_prompt_file, positive_prompt).map_err(|e| ProcessSingleJobError::IoError(e))?;
-            maybe_positive_prompt_filename = Some(positive_prompt_file.as_path());
+        let maybe_negative_prompt_filename = comfy_args.negative_prompt
+            .as_deref()
+            .map(|prompt| {
+                std::fs::write(&negative_prompt_file, prompt)
+                    .map(|_| negative_prompt_file.as_path())
+                    .map_err(|e| ProcessSingleJobError::IoError(e))
+            })
+            .transpose()?;
+
+        inference_details = InferenceDetails::NewPythonArgs {
+            maybe_style: comfy_args.style_name,
+            maybe_positive_prompt_filename,
+            maybe_negative_prompt_filename,
         }
-
-        if let Some(negative_prompt) = comfy_args.negative_prompt.as_deref() {
-            std::fs::write(&negative_prompt_file, negative_prompt).map_err(|e| ProcessSingleJobError::IoError(e))?;
-            maybe_negative_prompt_filename = Some(negative_prompt_file.as_path());
+    } else {
+        inference_details = InferenceDetails::OldRustArgs {
+            prompt_location: PathBuf::from(&workflow_path),
         }
     }
 
@@ -405,10 +417,7 @@ pub async fn process_job(args: ComfyProcessJobArgs<'_>) -> Result<JobSuccessResu
         .execute_inference(InferenceArgs {
             stderr_output_file: &stderr_output_file,
             stdout_output_file: &stdout_output_file,
-            prompt_location: &prompt_path,
-            maybe_positive_prompt_filename,
-            maybe_negative_prompt_filename,
-            maybe_style,
+            inference_details,
             face_detailer_enabled: comfy_args.use_face_detailer.unwrap_or(false),
             upscaler_enabled: comfy_args.use_upscaler.unwrap_or(false),
         });