fix plumbing of sound boolean

crates/api_clients/artcraft/artcraft_api_defs/src/generate/cost_estimate/estimate_video_cost.rs

@@ -9,7 +9,10 @@ use enums::common::generation_provider::GenerationProvider;
 pub const ESTIMATE_VIDEO_COST_PATH: &str = "/v1/generate/cost_estimate/video";
 
 /// Request body for the video cost estimate endpoint.
-#[derive(Serialize, Deserialize, ToSchema)]
+///
+/// Every model cares about its own set of parameters and not all
+/// parameters may be relevant for every model.
+#[derive(Serialize, Deserialize, ToSchema, Debug)]
 pub struct EstimateVideoCostRequest {
   /// The video model to estimate costs for.
   pub model: CommonVideoModel,
@@ -34,10 +37,13 @@ pub struct EstimateVideoCostRequest {
 
   /// Number of videos to generate in parallel.
   pub video_batch_count: Option<u16>,
+
+  /// Whether to generate audio for the video.
+  pub generate_audio: Option<bool>,
 }
 
 /// Describes the type of video generation being requested.
-#[derive(Serialize, Deserialize, ToSchema)]
+#[derive(Serialize, Deserialize, ToSchema, Debug)]
 #[serde(tag = "type", rename_all = "snake_case")]
 pub enum GenerationMode {
   TextToVideo,
@@ -99,6 +105,7 @@ mod tests {
       resolution: None,
       duration_seconds: None,
       video_batch_count: None,
+      generate_audio: None,
     };
     let serialized = serde_json::to_string(&request).unwrap();
     assert!(serialized.contains("\"generation_mode\":{\"type\":\"text_to_video\"}"));
@@ -115,6 +122,7 @@ mod tests {
       resolution: None,
       duration_seconds: None,
       video_batch_count: None,
+      generate_audio: None,
     };
     let serialized = serde_json::to_string(&request).unwrap();
     assert!(serialized.contains("\"generation_mode\":{\"type\":\"reference_image_to_video\",\"count\":1}"));

crates/api_clients/artcraft/artcraft_api_defs/src/generate/video/multi_function/seedance_1p5_pro_multi_function_video_gen.rs

@@ -6,7 +6,7 @@ use utoipa::ToSchema;
 pub const SEEDANCE_1P5_PRO_MULTI_FUNCTION_VIDEO_GEN_PATH: &str = "/v1/generate/video/multi_function/seedance_1p5_pro";
 
 /// Both text-to-video and image-to-video in one request.
-#[derive(Serialize, Deserialize, ToSchema)]
+#[derive(Serialize, Deserialize, ToSchema, Debug)]
 pub struct Seedance1p5ProMultiFunctionVideoGenRequest {
   /// Idempotency token to prevent duplicate requests.
   pub uuid_idempotency_token: String,
@@ -38,6 +38,9 @@ pub struct Seedance1p5ProMultiFunctionVideoGenRequest {
 
   /// Optional.
   pub aspect_ratio: Option<Seedance1p5ProMultiFunctionVideoGenAspectRatio>,
+
+  /// Whether to generate audio.
+  pub generate_audio: Option<bool>,
 }
 
 #[derive(Serialize, Deserialize, ToSchema, Copy, Clone, Debug)]

crates/api_clients/artcraft/artcraft_router/src/generate/generate_video/cost/artcraft/estimate_video_cost_artcraft_kling3p0_pro.rs

@@ -32,7 +32,7 @@ pub(crate) fn estimate_video_cost_artcraft_kling3p0_pro(
   let api_key = fal_client::creds::fal_api_key::FalApiKey::from_str("");
   let args = EnqueueKling3p0ProTextToVideoArgs {
     prompt: String::new(),
-    generate_audio: None,
+    generate_audio: plan.generate_audio,
     negative_prompt: None,
     duration,
     aspect_ratio: None,
@@ -65,6 +65,7 @@ mod tests {
       model: CommonVideoModel::Kling3p0Pro,
       provider: Provider::Artcraft,
       prompt: None,
+      negative_prompt: None,
       start_frame: None,
       end_frame: None,
       reference_images: None,
@@ -72,6 +73,7 @@ mod tests {
       aspect_ratio: None,
       duration_seconds: Some(duration_seconds),
       video_batch_count: None,
+      generate_audio: None,
       request_mismatch_mitigation_strategy: RequestMismatchMitigationStrategy::ErrorOut,
       idempotency_token: None,
     };

crates/api_clients/artcraft/artcraft_router/src/generate/generate_video/cost/artcraft/estimate_video_cost_artcraft_kling3p0_standard.rs

@@ -32,7 +32,7 @@ pub(crate) fn estimate_video_cost_artcraft_kling3p0_standard(
   let api_key = fal_client::creds::fal_api_key::FalApiKey::from_str("");
   let args = EnqueueKling3p0StandardTextToVideoArgs {
     prompt: String::new(),
-    generate_audio: None,
+    generate_audio: plan.generate_audio,
     negative_prompt: None,
     duration,
     aspect_ratio: None,
@@ -65,6 +65,7 @@ mod tests {
       model: CommonVideoModel::Kling3p0Standard,
       provider: Provider::Artcraft,
       prompt: None,
+      negative_prompt: None,
       start_frame: None,
       end_frame: None,
       reference_images: None,
@@ -72,6 +73,7 @@ mod tests {
       aspect_ratio: None,
       duration_seconds: Some(duration_seconds),
       video_batch_count: None,
+      generate_audio: None,
       request_mismatch_mitigation_strategy: RequestMismatchMitigationStrategy::ErrorOut,
       idempotency_token: None,
     };

crates/api_clients/artcraft/artcraft_router/src/generate/generate_video/cost/artcraft/estimate_video_cost_artcraft_seedance1p5_pro.rs

@@ -39,6 +39,7 @@ pub(crate) fn estimate_video_cost_artcraft_seedance1p5_pro(
     duration,
     resolution,
     aspect_ratio: None,
+    generate_audio: plan.generate_audio,
     webhook_url: "https://example.com",
     api_key: &api_key,
   };
@@ -67,6 +68,7 @@ mod tests {
       model: CommonVideoModel::Seedance1p5Pro,
       provider: Provider::Artcraft,
       prompt: None,
+      negative_prompt: None,
       start_frame: None,
       end_frame: None,
       reference_images: None,
@@ -74,6 +76,7 @@ mod tests {
       aspect_ratio: None,
       duration_seconds: Some(duration_seconds),
       video_batch_count: None,
+      generate_audio: None,
       request_mismatch_mitigation_strategy: RequestMismatchMitigationStrategy::ErrorOut,
       idempotency_token: None,
     };

crates/api_clients/artcraft/artcraft_router/src/generate/generate_video/cost/artcraft/estimate_video_cost_artcraft_seedance2p0.rs

@@ -57,6 +57,7 @@ mod tests {
       model: CommonVideoModel::Seedance2p0,
       provider: Provider::Artcraft,
       prompt: None,
+      negative_prompt: None,
       start_frame: None,
       end_frame: None,
       reference_images: None,
@@ -64,6 +65,7 @@ mod tests {
       aspect_ratio: None,
       duration_seconds: Some(duration_seconds),
       video_batch_count: Some(video_batch_count),
+      generate_audio: None,
       request_mismatch_mitigation_strategy: RequestMismatchMitigationStrategy::ErrorOut,
       idempotency_token: None,
     };

crates/api_clients/artcraft/artcraft_router/src/generate/generate_video/execute/artcraft/generate_video_artcraft_kling3p0_pro.rs

@@ -15,11 +15,11 @@ pub async fn execute_artcraft_kling3p0_pro(
   let request = Kling3p0ProMultiFunctionVideoGenRequest {
     uuid_idempotency_token: plan.idempotency_token.clone(),
     prompt: plan.prompt.map(|p| p.to_string()),
-    negative_prompt: None,
+    negative_prompt: plan.negative_prompt.map(|s| s.to_string()),
     image_media_token: plan.start_frame.map(|t| t.to_owned()),
     end_image_media_token: plan.end_frame.map(|t| t.to_owned()),
     duration: plan.duration,
-    generate_audio: None,
+    generate_audio: plan.generate_audio,
     aspect_ratio: plan.aspect_ratio,
   };
 

crates/api_clients/artcraft/artcraft_router/src/generate/generate_video/execute/artcraft/generate_video_artcraft_kling3p0_standard.rs

@@ -15,11 +15,11 @@ pub async fn execute_artcraft_kling3p0_standard(
   let request = Kling3p0StandardMultiFunctionVideoGenRequest {
     uuid_idempotency_token: plan.idempotency_token.clone(),
     prompt: plan.prompt.map(|p| p.to_string()),
-    negative_prompt: None,
+    negative_prompt: plan.negative_prompt.map(|s| s.to_string()),
     image_media_token: plan.start_frame.map(|t| t.to_owned()),
     end_image_media_token: plan.end_frame.map(|t| t.to_owned()),
     duration: plan.duration,
-    generate_audio: None,
+    generate_audio: plan.generate_audio,
     aspect_ratio: plan.aspect_ratio,
   };
 

crates/api_clients/artcraft/artcraft_router/src/generate/generate_video/execute/artcraft/generate_video_artcraft_seedance1p5_pro.rs

@@ -20,6 +20,7 @@ pub async fn execute_artcraft_seedance1p5_pro(
     aspect_ratio: plan.aspect_ratio,
     duration: plan.duration,
     resolution: plan.resolution,
+    generate_audio: plan.generate_audio,
   };
 
   let response = seedance_1p5_pro_multi_function_video_gen(

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

@@ -22,8 +22,8 @@ pub struct GenerateVideoRequest<'a> {
   /// The prompt for the video generation
   pub prompt: Option<&'a str>,
 
-  // /// Some models support negative prompts
-  // pub negative_prompt: Option<String>,
+  /// Some models support negative prompts
+  pub negative_prompt: Option<&'a str>,
 
   /// Starting keyframe (optional).
   pub start_frame: Option<ImageRef<'a>>,
@@ -46,9 +46,11 @@ pub struct GenerateVideoRequest<'a> {
   /// How many videos to generate.
   pub video_batch_count: Option<u16>,
 
-  // /// Whether to turn on/off audio.
-  // /// Not all models support audio, not all models have a choice.
-  // pub generate_audio: Option<bool>,
+  /// Whether to turn on/off audio.
+  /// Not all models support audio, not all models have a choice.
+  /// Some models will default this to true, others will default it to false,
+  /// so it's best to be explicit.
+  pub generate_audio: Option<bool>,
 
   /// If the request is a mismatch with the (model/provider), how to mitigate it.
   pub request_mismatch_mitigation_strategy: RequestMismatchMitigationStrategy,

crates/api_clients/artcraft/artcraft_router/src/generate/generate_video/plan/artcraft/plan_generate_video_artcraft_kling3p0_pro.rs

@@ -13,10 +13,12 @@ use tokens::tokens::media_files::MediaFileToken;
 #[derive(Debug, Clone)]
 pub struct PlanArtcraftKling3p0Pro<'a> {
   pub prompt: Option<&'a str>,
+  pub negative_prompt: Option<&'a str>,
   pub start_frame: Option<&'a MediaFileToken>,
   pub end_frame: Option<&'a MediaFileToken>,
   pub aspect_ratio: Option<Kling3p0ProMultiFunctionVideoGenAspectRatio>,
   pub duration: Option<Kling3p0ProMultiFunctionVideoGenDuration>,
+  pub generate_audio: Option<bool>,
   pub idempotency_token: String,
 }
 
@@ -33,10 +35,12 @@ pub fn plan_generate_video_artcraft_kling3p0_pro<'a>(
 
   Ok(PlanArtcraftKling3p0Pro {
     prompt: request.prompt,
+    negative_prompt: request.negative_prompt,
     start_frame,
     end_frame,
     aspect_ratio,
     duration,
+    generate_audio: request.generate_audio,
     idempotency_token: request.get_or_generate_idempotency_token(),
   })
 }
@@ -169,6 +173,7 @@ mod tests {
       model: CommonVideoModel::Kling3p0Pro,
       provider: Provider::Artcraft,
       prompt: Some("a cat in space"),
+      negative_prompt: None,
       start_frame: None,
       end_frame: None,
       reference_images: None,
@@ -176,6 +181,7 @@ mod tests {
       aspect_ratio: None,
       duration_seconds: None,
       video_batch_count: None,
+      generate_audio: None,
       request_mismatch_mitigation_strategy: RequestMismatchMitigationStrategy::ErrorOut,
       idempotency_token: None,
     }

crates/api_clients/artcraft/artcraft_router/src/generate/generate_video/plan/artcraft/plan_generate_video_artcraft_kling3p0_standard.rs

@@ -13,10 +13,12 @@ use tokens::tokens::media_files::MediaFileToken;
 #[derive(Debug, Clone)]
 pub struct PlanArtcraftKling3p0Standard<'a> {
   pub prompt: Option<&'a str>,
+  pub negative_prompt: Option<&'a str>,
   pub start_frame: Option<&'a MediaFileToken>,
   pub end_frame: Option<&'a MediaFileToken>,
   pub aspect_ratio: Option<Kling3p0StandardMultiFunctionVideoGenAspectRatio>,
   pub duration: Option<Kling3p0StandardMultiFunctionVideoGenDuration>,
+  pub generate_audio: Option<bool>,
   pub idempotency_token: String,
 }
 
@@ -33,10 +35,12 @@ pub fn plan_generate_video_artcraft_kling3p0_standard<'a>(
 
   Ok(PlanArtcraftKling3p0Standard {
     prompt: request.prompt,
+    negative_prompt: request.negative_prompt,
     start_frame,
     end_frame,
     aspect_ratio,
     duration,
+    generate_audio: request.generate_audio,
     idempotency_token: request.get_or_generate_idempotency_token(),
   })
 }
@@ -169,6 +173,7 @@ mod tests {
       model: CommonVideoModel::Kling3p0Standard,
       provider: Provider::Artcraft,
       prompt: Some("a cat in space"),
+      negative_prompt: None,
       start_frame: None,
       end_frame: None,
       reference_images: None,
@@ -176,6 +181,7 @@ mod tests {
       aspect_ratio: None,
       duration_seconds: None,
       video_batch_count: None,
+      generate_audio: None,
       request_mismatch_mitigation_strategy: RequestMismatchMitigationStrategy::ErrorOut,
       idempotency_token: None,
     }

crates/api_clients/artcraft/artcraft_router/src/generate/generate_video/plan/artcraft/plan_generate_video_artcraft_seedance1p5_pro.rs

@@ -19,6 +19,7 @@ pub struct PlanArtcraftSeedance1p5Pro<'a> {
   pub aspect_ratio: Option<Seedance1p5ProMultiFunctionVideoGenAspectRatio>,
   pub duration: Option<Seedance1p5ProMultiFunctionVideoGenDuration>,
   pub resolution: Option<Seedance1p5ProMultiFunctionVideoGenResolution>,
+  pub generate_audio: Option<bool>,
   pub idempotency_token: String,
 }
 
@@ -41,6 +42,7 @@ pub fn plan_generate_video_artcraft_seedance1p5_pro<'a>(
     aspect_ratio,
     duration,
     resolution,
+    generate_audio: request.generate_audio,
     idempotency_token: request.get_or_generate_idempotency_token(),
   })
 }
@@ -184,6 +186,7 @@ mod tests {
       model: CommonVideoModel::Seedance1p5Pro,
       provider: Provider::Artcraft,
       prompt: Some("a cat in space"),
+      negative_prompt: None,
       start_frame: None,
       end_frame: None,
       reference_images: None,
@@ -191,6 +194,7 @@ mod tests {
       aspect_ratio: None,
       duration_seconds: None,
       video_batch_count: None,
+      generate_audio: None,
       request_mismatch_mitigation_strategy: RequestMismatchMitigationStrategy::ErrorOut,
       idempotency_token: None,
     }

crates/api_clients/artcraft/artcraft_router/src/test_helpers.rs

@@ -214,6 +214,7 @@ pub fn base_video_request() -> GenerateVideoRequest<'static> {
     model: CommonVideoModel::Seedance2p0,
     provider: Provider::Artcraft,
     prompt: Some("a cat in space"),
+    negative_prompt: None,
     start_frame: None,
     end_frame: None,
     reference_images: None,
@@ -221,6 +222,7 @@ pub fn base_video_request() -> GenerateVideoRequest<'static> {
     aspect_ratio: None,
     duration_seconds: None,
     video_batch_count: None,
+    generate_audio: None,
     request_mismatch_mitigation_strategy: RequestMismatchMitigationStrategy::ErrorOut,
     idempotency_token: None,
   }

crates/api_clients/fal_client/src/requests/webhook/video/image/enqueue_seedance_1p5_pro_image_to_video_webhook.rs

@@ -16,6 +16,7 @@ pub struct EnqueueSeedance1p5ProImageToVideoArgs<'a, R: IntoUrl> {
   pub resolution: Option<EnqueueSeedance1p5ProImageToVideoResolution>,
   pub duration: Option<EnqueueSeedance1p5ProImageToVideoDuration>,
   pub aspect_ratio: Option<EnqueueSeedance1p5ProImageToVideoAspectRatio>,
+  pub generate_audio: Option<bool>,
 
   // Fulfillment
   pub webhook_url: R,
@@ -62,10 +63,13 @@ impl <U: IntoUrl> FalRequestCostCalculator for EnqueueSeedance1p5ProImageToVideo
     let resolution = self.resolution.unwrap_or(EnqueueSeedance1p5ProImageToVideoResolution::SevenTwentyP);
     let duration = self.duration.unwrap_or(EnqueueSeedance1p5ProImageToVideoDuration::FiveSeconds);
 
+    let audio = self.generate_audio.unwrap_or(true);
+    let dollars_per_million_tokens = if audio { 2.4 } else { 1.2 };
+
     if resolution == EnqueueSeedance1p5ProImageToVideoResolution::SevenTwentyP
         && duration == EnqueueSeedance1p5ProImageToVideoDuration::FiveSeconds
     {
-      return 26;
+      return if audio { 26 } else { 13 };
     }
 
     // TODO: Only correct for some aspect ratios for now.
@@ -92,7 +96,7 @@ impl <U: IntoUrl> FalRequestCostCalculator for EnqueueSeedance1p5ProImageToVideo
     let tokens = (height as f64) * (width as f64) * FPS * duration_secs;
     let tokens = tokens / 1024.0;
 
-    let cost = tokens * 2.4 / 1_000_000.0;
+    let cost = tokens * dollars_per_million_tokens / 1_000_000.0;
     let cost = cost * 100.0; // Dollars to cents.
     let cost = cost.ceil();
 
@@ -150,7 +154,7 @@ pub async fn enqueue_seedance_1p5_pro_image_to_video_webhook<R: IntoUrl>(
     camera_fixed: None,
     seed: None,
     enable_safety_checker: Some(false),
-    generate_audio: Some(true),
+    generate_audio: Some(args.generate_audio.unwrap_or(true)),
   };
 
   let result = seedance_1p5_pro_image_to_video(request)
@@ -183,6 +187,7 @@ mod tests {
       duration: Some(EnqueueSeedance1p5ProImageToVideoDuration::FiveSeconds),
       resolution: Some(EnqueueSeedance1p5ProImageToVideoResolution::SevenTwentyP),
       aspect_ratio: None,
+      generate_audio: None,
       webhook_url: "https://example.com/webhook",
     };
 
@@ -207,6 +212,43 @@ mod tests {
     assert_eq!(cost, 146);
   }
 
+  #[test]
+  fn test_cost_audio_off() {
+    let api_key = FalApiKey::from_str("");
+
+    let mut args = EnqueueSeedance1p5ProImageToVideoArgs {
+      prompt: String::new(),
+      image_url: String::new(),
+      end_image_url: None,
+      api_key: &api_key,
+      duration: Some(EnqueueSeedance1p5ProImageToVideoDuration::FiveSeconds),
+      resolution: Some(EnqueueSeedance1p5ProImageToVideoResolution::SevenTwentyP),
+      aspect_ratio: None,
+      generate_audio: Some(false),
+      webhook_url: "https://example.com/webhook",
+    };
+
+    // 720p 5s without audio = half of 26
+    let cost = args.calculate_cost_in_cents();
+    assert_eq!(cost, 13);
+
+    // Calculated values — half of audio-on costs (ceil)
+    args.duration = Some(EnqueueSeedance1p5ProImageToVideoDuration::TenSeconds);
+    args.resolution = Some(EnqueueSeedance1p5ProImageToVideoResolution::SevenTwentyP);
+    let cost = args.calculate_cost_in_cents();
+    assert_eq!(cost, 33);
+
+    args.duration = Some(EnqueueSeedance1p5ProImageToVideoDuration::FiveSeconds);
+    args.resolution = Some(EnqueueSeedance1p5ProImageToVideoResolution::TenEightyP);
+    let cost = args.calculate_cost_in_cents();
+    assert_eq!(cost, 37);
+
+    args.duration = Some(EnqueueSeedance1p5ProImageToVideoDuration::TenSeconds);
+    args.resolution = Some(EnqueueSeedance1p5ProImageToVideoResolution::TenEightyP);
+    let cost = args.calculate_cost_in_cents();
+    assert_eq!(cost, 73);
+  }
+
   #[tokio::test]
   #[ignore] // manually run — fires a real API request and incurs cost
   async fn test() -> AnyhowResult<()> {
@@ -220,6 +262,7 @@ mod tests {
       aspect_ratio: Some(EnqueueSeedance1p5ProImageToVideoAspectRatio::SixteenByNine),
       resolution: Some(EnqueueSeedance1p5ProImageToVideoResolution::SevenTwentyP),
       end_image_url: None,
+      generate_audio: None,
       api_key: &api_key,
       webhook_url: "https://example.com/webhook",
     };
@@ -245,6 +288,7 @@ mod tests {
         aspect_ratio: Some(ar),
         resolution: None,
         end_image_url: None,
+        generate_audio: None,
         api_key: &api_key,
         webhook_url: "https://example.com/webhook",
       };
@@ -270,6 +314,7 @@ mod tests {
         aspect_ratio: Some(EnqueueSeedance1p5ProImageToVideoAspectRatio::SixteenByNine),
         resolution: None,
         end_image_url: None,
+        generate_audio: None,
         api_key: &api_key,
         webhook_url: "https://example.com/webhook",
       };
@@ -295,6 +340,7 @@ mod tests {
         aspect_ratio: Some(EnqueueSeedance1p5ProImageToVideoAspectRatio::SixteenByNine),
         resolution: Some(res),
         end_image_url: None,
+        generate_audio: None,
         api_key: &api_key,
         webhook_url: "https://example.com/webhook",
       };

crates/api_clients/fal_client/src/requests/webhook/video/text/enqueue_seedance_1p5_pro_text_to_video_webhook.rs

@@ -14,6 +14,7 @@ pub struct EnqueueSeedance1p5ProTextToVideoArgs<'a, R: IntoUrl> {
   pub resolution: Option<EnqueueSeedance1p5ProTextToVideoResolution>,
   pub duration: Option<EnqueueSeedance1p5ProTextToVideoDuration>,
   pub aspect_ratio: Option<EnqueueSeedance1p5ProTextToVideoAspectRatio>,
+  pub generate_audio: Option<bool>,
 
   // Fulfillment
   pub webhook_url: R,
@@ -53,17 +54,22 @@ pub enum EnqueueSeedance1p5ProTextToVideoAspectRatio {
 
 impl <U: IntoUrl> FalRequestCostCalculator for EnqueueSeedance1p5ProTextToVideoArgs<'_, U> {
   fn calculate_cost_in_cents(&self) -> UsdCents {
+    // Fal:
     // "Each 720p 5 second video with audio costs roughly $0.26.
     //  For other resolutions, 1 million video tokens with audio costs $2.4.
+    //  Without audio, the price is 1.2 per million tokens.
     //  tokens(video) = (height x width x FPS x duration) / 1024."
 
     let resolution = self.resolution.unwrap_or(EnqueueSeedance1p5ProTextToVideoResolution::SevenTwentyP);
     let duration = self.duration.unwrap_or(EnqueueSeedance1p5ProTextToVideoDuration::FiveSeconds);
 
+    let audio = self.generate_audio.unwrap_or(true);
+    let dollars_per_million_tokens = if audio { 2.4 } else { 1.2 };
+
     if resolution == EnqueueSeedance1p5ProTextToVideoResolution::SevenTwentyP
         && duration == EnqueueSeedance1p5ProTextToVideoDuration::FiveSeconds
     {
-      return 26;
+      return if audio { 26 } else { 13 };
     }
 
     // TODO: Only correct for some aspect ratios for now.
@@ -90,7 +96,7 @@ impl <U: IntoUrl> FalRequestCostCalculator for EnqueueSeedance1p5ProTextToVideoA
     let tokens = (height as f64) * (width as f64) * FPS * duration_secs;
     let tokens = tokens / 1024.0;
 
-    let cost = tokens * 2.4 / 1_000_000.0;
+    let cost = tokens * dollars_per_million_tokens / 1_000_000.0;
     let cost = cost * 100.0; // Dollars to cents.
     let cost = cost.ceil();
 
@@ -146,7 +152,7 @@ pub async fn enqueue_seedance_1p5_pro_text_to_video_webhook<R: IntoUrl>(
     camera_fixed: None,
     seed: None,
     enable_safety_checker: Some(false),
-    generate_audio: Some(true),
+    generate_audio: Some(args.generate_audio.unwrap_or(true)),
   };
 
   let result = seedance_1p5_pro_text_to_video(request)
@@ -176,6 +182,7 @@ mod tests {
       duration: Some(EnqueueSeedance1p5ProTextToVideoDuration::FiveSeconds),
       resolution: Some(EnqueueSeedance1p5ProTextToVideoResolution::SevenTwentyP),
       aspect_ratio: None,
+      generate_audio: None,
       webhook_url: "https://example.com/webhook",
     };
 
@@ -200,6 +207,41 @@ mod tests {
     assert_eq!(cost, 146);
   }
 
+  #[test]
+  fn test_cost_audio_off() {
+    let api_key = FalApiKey::from_str("");
+
+    let mut args = EnqueueSeedance1p5ProTextToVideoArgs {
+      prompt: String::new(),
+      api_key: &api_key,
+      duration: Some(EnqueueSeedance1p5ProTextToVideoDuration::FiveSeconds),
+      resolution: Some(EnqueueSeedance1p5ProTextToVideoResolution::SevenTwentyP),
+      aspect_ratio: None,
+      generate_audio: Some(false),
+      webhook_url: "https://example.com/webhook",
+    };
+
+    // 720p 5s without audio = half of 26
+    let cost = args.calculate_cost_in_cents();
+    assert_eq!(cost, 13);
+
+    // Calculated values — half of audio-on costs (ceil)
+    args.duration = Some(EnqueueSeedance1p5ProTextToVideoDuration::TenSeconds);
+    args.resolution = Some(EnqueueSeedance1p5ProTextToVideoResolution::SevenTwentyP);
+    let cost = args.calculate_cost_in_cents();
+    assert_eq!(cost, 33);
+
+    args.duration = Some(EnqueueSeedance1p5ProTextToVideoDuration::FiveSeconds);
+    args.resolution = Some(EnqueueSeedance1p5ProTextToVideoResolution::TenEightyP);
+    let cost = args.calculate_cost_in_cents();
+    assert_eq!(cost, 37);
+
+    args.duration = Some(EnqueueSeedance1p5ProTextToVideoDuration::TenSeconds);
+    args.resolution = Some(EnqueueSeedance1p5ProTextToVideoResolution::TenEightyP);
+    let cost = args.calculate_cost_in_cents();
+    assert_eq!(cost, 73);
+  }
+
   #[tokio::test]
   #[ignore] // manually run — fires a real API request and incurs cost
   async fn test() -> AnyhowResult<()> {
@@ -211,6 +253,7 @@ mod tests {
       duration: Some(EnqueueSeedance1p5ProTextToVideoDuration::FiveSeconds),
       aspect_ratio: Some(EnqueueSeedance1p5ProTextToVideoAspectRatio::SixteenByNine),
       resolution: Some(EnqueueSeedance1p5ProTextToVideoResolution::SevenTwentyP),
+      generate_audio: None,
       api_key: &api_key,
       webhook_url: "https://example.com/webhook",
     };
@@ -234,6 +277,7 @@ mod tests {
         duration: Some(EnqueueSeedance1p5ProTextToVideoDuration::FourSeconds),
         aspect_ratio: Some(ar),
         resolution: None,
+        generate_audio: None,
         api_key: &api_key,
         webhook_url: "https://example.com/webhook",
       };
@@ -257,6 +301,7 @@ mod tests {
         duration: Some(dur),
         aspect_ratio: Some(EnqueueSeedance1p5ProTextToVideoAspectRatio::SixteenByNine),
         resolution: None,
+        generate_audio: None,
         api_key: &api_key,
         webhook_url: "https://example.com/webhook",
       };
@@ -280,6 +325,7 @@ mod tests {
         duration: Some(EnqueueSeedance1p5ProTextToVideoDuration::FourSeconds),
         aspect_ratio: Some(EnqueueSeedance1p5ProTextToVideoAspectRatio::SixteenByNine),
         resolution: Some(res),
+        generate_audio: None,
         api_key: &api_key,
         webhook_url: "https://example.com/webhook",
       };

crates/desktop/artcraft/src/core/commands/cost_estimate/estimate_video_cost_command.rs

@@ -7,8 +7,8 @@ use artcraft_api_defs::generate::cost_estimate::estimate_video_cost::{
   EstimateVideoCostError, EstimateVideoCostErrorType, EstimateVideoCostRequest,
   EstimateVideoCostResponse,
 };
-use log::info;
 use artcraft_client::endpoints::generate::cost_estimate::video::estimate_video_cost::estimate_video_cost;
+use log::debug;
 use tauri::State;
 
 impl SerializeMarker for EstimateVideoCostResponse {}
@@ -18,7 +18,6 @@ pub async fn estimate_video_cost_command(
   request: EstimateVideoCostRequest,
   app_env_configs: State<'_, AppEnvConfigs>,
 ) -> ResponseOrError<EstimateVideoCostResponse, EstimateVideoCostError> {
-  info!("estimate_video_cost_command called");
 
   let result = estimate_video_cost(
     &app_env_configs.storyteller_host,

crates/desktop/artcraft/src/core/commands/enqueue/image_to_video/artcraft/handle_artcraft_seedance_1p5_pro.rs

@@ -1,71 +0,0 @@
-use crate::core::commands::enqueue::generate_error::GenerateError;
-use crate::core::commands::enqueue::image_to_video::enqueue_image_to_video_command::EnqueueImageToVideoRequest;
-use crate::core::commands::enqueue::task_enqueue_success::TaskEnqueueSuccess;
-use crate::core::events::generation_events::common::GenerationModel;
-use crate::core::state::app_env_configs::app_env_configs::AppEnvConfigs;
-use artcraft_router::api::common_video_model::CommonVideoModel;
-use artcraft_router::api::image_ref::ImageRef;
-use artcraft_router::api::provider::Provider;
-use artcraft_router::client::request_mismatch_mitigation_strategy::RequestMismatchMitigationStrategy;
-use artcraft_router::client::router_artcraft_client::RouterArtcraftClient;
-use artcraft_router::client::router_client::RouterClient;
-use artcraft_router::generate::generate_video::generate_video_request::GenerateVideoRequest;
-use enums::common::generation_provider::GenerationProvider;
-use enums::tauri::tasks::task_type::TaskType;
-use log::{error, info};
-use artcraft_client::credentials::storyteller_credential_set::StorytellerCredentialSet;
-
-pub(super) async fn handle_artcraft_seedance_1p5_pro(
-  request: &EnqueueImageToVideoRequest,
-  app_env_configs: &AppEnvConfigs,
-  creds: &StorytellerCredentialSet,
-) -> Result<TaskEnqueueSuccess, GenerateError> {
-  let client = RouterClient::Artcraft(RouterArtcraftClient::new(
-    app_env_configs.storyteller_host.clone(),
-    creds.clone(),
-  ));
-
-  let start_frame = request.image_media_token.as_ref().map(ImageRef::MediaFileToken);
-  let end_frame = request.end_frame_image_media_token.as_ref().map(ImageRef::MediaFileToken);
-
-  let router_request = GenerateVideoRequest {
-    model: CommonVideoModel::Seedance1p5Pro,
-    provider: Provider::Artcraft,
-    prompt: request.prompt.as_deref(),
-    start_frame,
-    end_frame,
-    reference_images: None,
-    resolution: None,
-    aspect_ratio: request.aspect_ratio,
-    duration_seconds: request.duration_seconds,
-    video_batch_count: request.video_batch_count,
-    request_mismatch_mitigation_strategy: RequestMismatchMitigationStrategy::PayMoreUpgrade,
-    idempotency_token: None,
-  };
-
-  let plan = router_request.build()?;
-
-  info!("Video Generation Plan: {:?}", plan);
-
-  let response = match plan.generate_video(&client).await {
-    Ok(resp) => {
-      info!("Successfully enqueued.");
-      resp
-    }
-    Err(err) => {
-      error!("Failed to enqueue: {:?}", err);
-      return Err(GenerateError::from(err));
-    }
-  };
-
-  let job_id = response.get_artcraft_payload()
-      .map(|p| p.inference_job_token.to_string())
-      .ok_or(GenerateError::ResponseHadNoJobTokens)?;
-
-  Ok(TaskEnqueueSuccess {
-    task_type: TaskType::VideoGeneration,
-    model: Some(GenerationModel::Seedance1p5Pro),
-    provider: GenerationProvider::Artcraft,
-    provider_job_id: Some(job_id),
-  })
-}

crates/desktop/artcraft/src/core/commands/enqueue/image_to_video/artcraft/handle_artcraft_seedance_2p0.rs

@@ -34,6 +34,7 @@ pub(super) async fn handle_artcraft_seedance_2p0(
     model: CommonVideoModel::Seedance2p0,
     provider: Provider::Artcraft,
     prompt: request.prompt.as_deref(),
+    negative_prompt: None,
     start_frame,
     end_frame,
     reference_images,
@@ -41,6 +42,7 @@ pub(super) async fn handle_artcraft_seedance_2p0(
     aspect_ratio: request.aspect_ratio,
     duration_seconds: request.duration_seconds,
     video_batch_count: request.video_batch_count,
+    generate_audio: None,
     request_mismatch_mitigation_strategy: RequestMismatchMitigationStrategy::PayMoreUpgrade,
     idempotency_token: None,
   };

crates/desktop/artcraft/src/core/commands/enqueue/image_to_video/artcraft/handle_artcraft_video.rs

@@ -9,7 +9,6 @@ use crate::core::commands::enqueue::image_to_video::artcraft::handle_artcraft_vi
 use crate::core::commands::enqueue::image_to_video::artcraft::handle_artcraft_seedance_1_lite::handle_artcraft_seedance_1_lite;
 use crate::core::events::generation_events::common::GenerationModel;
 use artcraft_router::api::common_video_model::CommonVideoModel;
-use crate::core::commands::enqueue::image_to_video::artcraft::handle_artcraft_seedance_1p5_pro::handle_artcraft_seedance_1p5_pro;
 use crate::core::commands::enqueue::image_to_video::artcraft::handle_artcraft_seedance_2p0::handle_artcraft_seedance_2p0;
 use crate::core::commands::enqueue::image_to_video::artcraft::handle_artcraft_sora2::handle_artcraft_sora2;
 use crate::core::commands::enqueue::image_to_video::artcraft::handle_artcraft_sora2_pro::handle_artcraft_sora2_pro;
@@ -46,7 +45,7 @@ pub async fn handle_video_artcraft(
     Some(VideoModel::Kling3p0Standard) => handle_artcraft_video_via_router(request, app_env_configs, &creds, CommonVideoModel::Kling3p0Standard, GenerationModel::Kling3p0Standard).await,
     Some(VideoModel::Kling3p0Pro) => handle_artcraft_video_via_router(request, app_env_configs, &creds, CommonVideoModel::Kling3p0Pro, GenerationModel::Kling3p0Pro).await,
     Some(VideoModel::Seedance10Lite) => handle_artcraft_seedance_1_lite(request, app_env_configs, &creds).await,
-    Some(VideoModel::Seedance1p5Pro) => handle_artcraft_seedance_1p5_pro(request, app_env_configs, &creds).await,
+    Some(VideoModel::Seedance1p5Pro) => handle_artcraft_video_via_router(request, app_env_configs, &creds, CommonVideoModel::Seedance1p5Pro, GenerationModel::Seedance1p5Pro).await,
     Some(VideoModel::Seedance2p0) => handle_artcraft_seedance_2p0(request, app_env_configs, &creds).await,
     Some(VideoModel::Sora2) => handle_artcraft_sora2(request, app_env_configs, &creds).await,
     Some(VideoModel::Sora2Pro) => handle_artcraft_sora2_pro(request, app_env_configs, &creds).await,

crates/desktop/artcraft/src/core/commands/enqueue/image_to_video/artcraft/handle_artcraft_video_via_router.rs

@@ -34,6 +34,7 @@ pub(super) async fn handle_artcraft_video_via_router(
     model,
     provider: Provider::Artcraft,
     prompt: request.prompt.as_deref(),
+    negative_prompt: None,
     start_frame,
     end_frame,
     reference_images: None,
@@ -41,6 +42,7 @@ pub(super) async fn handle_artcraft_video_via_router(
     aspect_ratio: request.aspect_ratio,
     duration_seconds: request.duration_seconds,
     video_batch_count: request.video_batch_count,
+    generate_audio: request.generate_audio,
     request_mismatch_mitigation_strategy: RequestMismatchMitigationStrategy::PayMoreUpgrade,
     idempotency_token: None,
   };

crates/desktop/artcraft/src/core/commands/enqueue/image_to_video/artcraft/mod.rs

@@ -6,7 +6,6 @@ mod handle_artcraft_kling_2p5_turbo_pro;
 mod handle_artcraft_kling_2p6_pro;
 mod handle_artcraft_video_via_router;
 mod handle_artcraft_seedance_1_lite;
-mod handle_artcraft_seedance_1p5_pro;
 mod handle_artcraft_seedance_2p0;
 mod handle_artcraft_sora2;
 mod handle_artcraft_sora2_pro;

crates/service/web/storyteller_web/src/http_server/endpoints/generate/cost_estimate/video/estimate_video_cost_handler.rs

@@ -42,6 +42,7 @@ pub async fn estimate_video_cost_handler(
     model: router_model,
     provider: router_provider,
     prompt: None,
+    negative_prompt: None,
     start_frame: None,
     end_frame: None,
     reference_images: None,
@@ -49,6 +50,7 @@ pub async fn estimate_video_cost_handler(
     aspect_ratio: router_aspect_ratio,
     duration_seconds: request.duration_seconds,
     video_batch_count: request.video_batch_count,
+    generate_audio: request.generate_audio,
     request_mismatch_mitigation_strategy: RequestMismatchMitigationStrategy::PayLessDowngrade,
     idempotency_token: None,
   };

crates/service/web/storyteller_web/src/http_server/endpoints/generate/video/multi_function/kling_3p0_pro_multi_function_video_gen_handler.rs

@@ -200,6 +200,9 @@ pub async fn kling_3p0_pro_multi_function_video_gen_handler(
 
   let apriori_job_token = InferenceJobToken::generate();
 
+  // Most people will want audio
+  let generate_audio = request.generate_audio.unwrap_or(true);
+
   let fal_result;
 
   if let Some(start_frame_url) = maybe_start_frame_image_url {
@@ -212,7 +215,7 @@ pub async fn kling_3p0_pro_multi_function_video_gen_handler(
       prompt: request.prompt.as_deref().unwrap_or("").to_string(),
       image_url: start_frame_url,
       end_image_url: maybe_end_frame_image_url,
-      generate_audio: request.generate_audio,
+      generate_audio: Some(generate_audio),
       negative_prompt: request.negative_prompt.clone(),
       duration: Some(duration),
       aspect_ratio,
@@ -249,7 +252,7 @@ pub async fn kling_3p0_pro_multi_function_video_gen_handler(
     let args = EnqueueKling3p0ProTextToVideoArgs {
       prompt: request.prompt.as_deref().unwrap_or("").to_string(),
       negative_prompt: request.negative_prompt.clone(),
-      generate_audio: request.generate_audio,
+      generate_audio: Some(generate_audio),
       duration: Some(duration),
       aspect_ratio: Some(aspect_ratio),
       shot_type: None,

crates/service/web/storyteller_web/src/http_server/endpoints/generate/video/multi_function/kling_3p0_standard_multi_function_video_gen_handler.rs

@@ -200,6 +200,9 @@ pub async fn kling_3p0_standard_multi_function_video_gen_handler(
 
   let apriori_job_token = InferenceJobToken::generate();
 
+  // Most people will want audio
+  let generate_audio = request.generate_audio.unwrap_or(true);
+  
   let fal_result;
 
   if let Some(start_frame_url) = maybe_start_frame_image_url {
@@ -212,7 +215,7 @@ pub async fn kling_3p0_standard_multi_function_video_gen_handler(
       prompt: request.prompt.as_deref().unwrap_or("").to_string(),
       image_url: start_frame_url,
       end_image_url: maybe_end_frame_image_url,
-      generate_audio: request.generate_audio,
+      generate_audio: Some(generate_audio),
       negative_prompt: request.negative_prompt.clone(),
       duration: Some(duration),
       aspect_ratio,
@@ -249,7 +252,7 @@ pub async fn kling_3p0_standard_multi_function_video_gen_handler(
     let args = EnqueueKling3p0StandardTextToVideoArgs {
       prompt: request.prompt.as_deref().unwrap_or("").to_string(),
       negative_prompt: request.negative_prompt.clone(),
-      generate_audio: request.generate_audio,
+      generate_audio: Some(generate_audio),
       duration: Some(duration),
       aspect_ratio: Some(aspect_ratio),
       shot_type: None,

crates/service/web/storyteller_web/src/http_server/endpoints/generate/video/multi_function/seedance_1p5_pro_multi_function_video_gen_handler.rs

@@ -120,6 +120,8 @@ pub async fn seedance_1p5_pro_multi_function_video_gen_handler(
   server_state: web::Data<Arc<ServerState>>
 ) -> Result<Json<Seedance1p5ProMultiFunctionVideoGenResponse>, CommonWebError> {
 
+  info!("Request: {:?}", request);
+  
   payments_error_test(&request.prompt.as_deref().unwrap_or(""))?;
 
   let mut mysql_connection = server_state.mysql_pool
@@ -204,6 +206,9 @@ pub async fn seedance_1p5_pro_multi_function_video_gen_handler(
 
   let apriori_job_token = InferenceJobToken::generate();
 
+  // Most people will want audio
+  let generate_audio = request.generate_audio.unwrap_or(true);
+
   let fal_result;
 
   if let Some(image_url) = maybe_image_url {
@@ -220,6 +225,7 @@ pub async fn seedance_1p5_pro_multi_function_video_gen_handler(
       duration: Some(duration),
       aspect_ratio: Some(aspect_ratio),
       resolution: Some(resolution),
+      generate_audio: Some(generate_audio),
       webhook_url: &server_state.fal.webhook_url,
       api_key: &server_state.fal.api_key,
     };
@@ -254,6 +260,7 @@ pub async fn seedance_1p5_pro_multi_function_video_gen_handler(
       duration: Some(duration),
       aspect_ratio: Some(aspect_ratio),
       resolution: Some(resolution),
+      generate_audio: Some(generate_audio),
       webhook_url: &server_state.fal.webhook_url,
       api_key: &server_state.fal.api_key,
     };

frontend/libs/components/pricing-modal/src/lib/useVideoCostEstimate.ts

@@ -29,6 +29,7 @@ export function useVideoCostEstimate(
   const inputMode = usePromptVideoStore((s) => s.inputMode);
   const referenceImages = usePromptVideoStore((s) => s.referenceImages);
   const endFrameImage = usePromptVideoStore((s) => s.endFrameImage);
+  const generateWithSound = usePromptVideoStore((s) => s.generateWithSound);
 
   useEffect(() => {
     if (activePage !== ModelPage.ImageToVideo || !selectedModel) {
@@ -65,6 +66,7 @@ export function useVideoCostEstimate(
       generation_mode: generationMode,
       aspect_ratio: commonAspectRatio ?? undefined,
       duration_seconds: duration ?? undefined,
+      generate_audio: generateWithSound,
     })
       .then((result) => {
         if (isEstimateVideoCostSuccess(result)) {
@@ -89,6 +91,7 @@ export function useVideoCostEstimate(
     inputMode,
     referenceImages.length,
     !!endFrameImage,
+    generateWithSound,
   ]);
 
   return { isLoading };

frontend/libs/model-list/src/lib/lists/VideoModels.ts

@@ -144,7 +144,7 @@ export const VIDEO_MODELS: VideoModel[] = [
     durationOptions: [3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15],
     defaultDuration: 5,
     progressBarTime: 100000,
-    generateWithSound: false,
+    generateWithSound: true,
   }),
   new VideoModel({
     id: "kling_3p0_pro",
@@ -179,7 +179,7 @@ export const VIDEO_MODELS: VideoModel[] = [
     durationOptions: [3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15],
     defaultDuration: 5,
     progressBarTime: 100000,
-    generateWithSound: false,
+    generateWithSound: true,
   }),
   new VideoModel({
     id: "seedance_1_0_lite",
@@ -244,6 +244,7 @@ export const VIDEO_MODELS: VideoModel[] = [
     resolutionOptions: ["480p", "720p", "1080p"],
     defaultResolution: "720p",
     supportsSystemPrompt: false,
+    generateWithSound: true,
     progressBarTime: 100000,
   }),
   new VideoModel({

frontend/libs/tauri-api/src/lib/cost_estimate/EstimateVideoCost.ts

@@ -16,6 +16,7 @@ export interface EstimateVideoCostRequest {
   resolution?: CommonVideoResolution;
   duration_seconds?: number;
   video_batch_count?: number;
+  generate_audio?: boolean;
 }
 
 export interface EstimateVideoCostPayload {