feat: DeepSeek V4 Flash 0731 added

src/app.rs

@@ -2566,6 +2566,7 @@ mod tests {
             Some(Message::FocusPrevious)
         ));
         assert!(ModelChoice::DeepSeekV4Flash.supports_dspark());
+        assert!(!ModelChoice::DeepSeekV4Flash0731.supports_dspark());
         assert!(!ModelChoice::DeepSeekV4Pro.supports_dspark());
         assert!(!ModelChoice::Glm52.supports_dspark());
     }

src/engine.rs

@@ -150,6 +150,11 @@ const FLASH: Shape = Shape {
     original_context: 65_536,
 };
 
+const FLASH_0731: Shape = Shape {
+    model: ModelChoice::DeepSeekV4Flash0731,
+    ..FLASH
+};
+
 const PRO: Shape = Shape {
     model: ModelChoice::DeepSeekV4Pro,
     layers: 61,

src/engine/metal.rs

@@ -1985,7 +1985,7 @@ impl SsdPlan {
         let mut by_layer = vec![Vec::<(i32, u32)>::new(); model.shape.layers as usize];
         let mut loaded = 0_u32;
         let hotlist = match model.shape.model {
-            ModelChoice::DeepSeekV4Flash => hotlist::FLASH,
+            ModelChoice::DeepSeekV4Flash | ModelChoice::DeepSeekV4Flash0731 => hotlist::FLASH,
             ModelChoice::DeepSeekV4Pro => hotlist::PRO,
             ModelChoice::Glm52 => unreachable!("GLM uses its dedicated executor"),
         };
@@ -3437,8 +3437,10 @@ impl DeepSeekExecutor {
         if self.session.position == 0 && self.ssd.is_some() {
             unsafe { ds4_gpu_stream_expert_cache_reset_route_hotness() };
         }
-        let streaming_decode_cap = if self.model.shape.model == ModelChoice::DeepSeekV4Flash
+        let streaming_decode_cap = if matches!(
-            && self.weights.layers.first().is_some_and(|layer| {
+            self.model.shape.model,
+            ModelChoice::DeepSeekV4Flash | ModelChoice::DeepSeekV4Flash0731
+        ) && self.weights.layers.first().is_some_and(|layer| {
             layer.expert_gate.kind == Q4_K
                 && layer.expert_up.kind == Q4_K
                 && layer.expert_down.kind == Q4_K
@@ -6469,16 +6471,23 @@ fn update_compressor_stage(
 
 fn compression_ratio(shape: super::Shape, layer: u32) -> u32 {
     match shape.model {
-        crate::model::ModelChoice::DeepSeekV4Flash if layer < 2 => 0,
+        crate::model::ModelChoice::DeepSeekV4Flash
+        | crate::model::ModelChoice::DeepSeekV4Flash0731
+            if layer < 2 =>
+        {
+            0
+        }
         crate::model::ModelChoice::DeepSeekV4Pro if layer < 2 => 128,
-        crate::model::ModelChoice::DeepSeekV4Flash | crate::model::ModelChoice::DeepSeekV4Pro
+        crate::model::ModelChoice::DeepSeekV4Flash
+        | crate::model::ModelChoice::DeepSeekV4Flash0731
+        | crate::model::ModelChoice::DeepSeekV4Pro
             if layer.is_multiple_of(2) =>
         {
             4
         }
-        crate::model::ModelChoice::DeepSeekV4Flash | crate::model::ModelChoice::DeepSeekV4Pro => {
+        crate::model::ModelChoice::DeepSeekV4Flash
-            128
+        | crate::model::ModelChoice::DeepSeekV4Flash0731
-        }
+        | crate::model::ModelChoice::DeepSeekV4Pro => 128,
         crate::model::ModelChoice::Glm52 => 0,
     }
 }

src/engine/validation.rs

@@ -223,10 +223,11 @@ pub(super) fn validate_main(model: &Gguf, expected: ModelChoice) -> Result<Shape
     };
     let shape = match family {
         ModelFamily::Glm => GLM,
-        ModelFamily::DeepSeek => match model.u32("deepseek4.block_count")? {
+        ModelFamily::DeepSeek => match (model.u32("deepseek4.block_count")?, expected) {
-            43 => FLASH,
+            (43, ModelChoice::DeepSeekV4Flash0731) => FLASH_0731,
-            61 => PRO,
+            (43, _) => FLASH,
-            layers => return Err(format!("unsupported DeepSeek layer count: {layers}")),
+            (61, _) => PRO,
+            (layers, _) => return Err(format!("unsupported DeepSeek layer count: {layers}")),
         },
     };
     if shape.model != expected {
@@ -993,10 +994,18 @@ fn float_eq(actual: f32, expected: f32) -> bool {
 
 fn compression_ratio(shape: &Shape, layer: u32) -> u32 {
     match shape.model {
-        ModelChoice::DeepSeekV4Flash if layer < 2 => 0,
+        ModelChoice::DeepSeekV4Flash | ModelChoice::DeepSeekV4Flash0731 if layer < 2 => 0,
         ModelChoice::DeepSeekV4Pro if layer < 2 => 128,
-        ModelChoice::DeepSeekV4Flash | ModelChoice::DeepSeekV4Pro if layer.is_multiple_of(2) => 4,
+        ModelChoice::DeepSeekV4Flash
-        ModelChoice::DeepSeekV4Flash | ModelChoice::DeepSeekV4Pro => 128,
+        | ModelChoice::DeepSeekV4Flash0731
+        | ModelChoice::DeepSeekV4Pro
+            if layer.is_multiple_of(2) =>
+        {
+            4
+        }
+        ModelChoice::DeepSeekV4Flash
+        | ModelChoice::DeepSeekV4Flash0731
+        | ModelChoice::DeepSeekV4Pro => 128,
         ModelChoice::Glm52 => 0,
     }
 }

src/metrics.rs

@@ -847,6 +847,7 @@ fn model_code(model: ModelChoice) -> u8 {
         ModelChoice::DeepSeekV4Flash => 1,
         ModelChoice::DeepSeekV4Pro => 2,
         ModelChoice::Glm52 => 3,
+        ModelChoice::DeepSeekV4Flash0731 => 4,
     }
 }
 
@@ -855,6 +856,7 @@ fn model_name(value: u8) -> &'static str {
         1 => "DeepSeek V4 Flash",
         2 => "DeepSeek V4 Pro",
         3 => "GLM 5.2",
+        4 => "DeepSeek V4 Flash 0731",
         _ => "No model loaded",
     }
 }

src/model.rs

@@ -9,20 +9,23 @@ use std::fmt;
 use std::fs;
 use std::path::{Path, PathBuf};
 
-pub(crate) const MODEL_CHOICES: [ModelChoice; 3] = [
+pub(crate) const MODEL_CHOICES: [ModelChoice; 4] = [
     ModelChoice::DeepSeekV4Flash,
+    ModelChoice::DeepSeekV4Flash0731,
     ModelChoice::DeepSeekV4Pro,
     ModelChoice::Glm52,
 ];
-pub(crate) const MANAGED_ARTIFACTS: [ManagedArtifactId; 5] = [
+pub(crate) const MANAGED_ARTIFACTS: [ManagedArtifactId; 6] = [
     ManagedArtifactId::DeepSeekV4Flash,
     ManagedArtifactId::DeepSeekV4FlashMtp,
     ManagedArtifactId::DeepSeekV4FlashDspark,
+    ManagedArtifactId::DeepSeekV4Flash0731,
     ManagedArtifactId::DeepSeekV4Pro,
     ManagedArtifactId::Glm52,
 ];
 
 const DEEPSEEK_REPOSITORY: &str = "antirez/deepseek-v4-gguf";
+const DEEPSEEK_FLASH_0731_REPOSITORY: &str = "Rednalreden/DeepSeek-V4-Flash-0731-dwarfstar-q2-gguf";
 const GLM_REPOSITORY: &str = "antirez/glm-5.2-gguf";
 
 const FLASH: Artifact = Artifact {
@@ -49,6 +52,14 @@ const FLASH_MTP: Artifact = Artifact {
     sha256: "afd481ee689dce9037f70f39085fcdae5a5b096d521cdad43b19fa52bf8f4083",
     support: Some(true),
 };
+const FLASH_0731: Artifact = Artifact {
+    label: "DeepSeek V4 Flash 0731 model",
+    file_name: "DeepSeek-V4-Flash-0731-IQ2XXS-w2Q2K-AProjQ8-SExpQ8-OutQ8-imatrix.gguf",
+    repository: DEEPSEEK_FLASH_0731_REPOSITORY,
+    size: 86_720_111_520,
+    sha256: "0b39f9c337d6b49c77db2190556b8563abf3c5fbb98be3b58cf8d3a1db191e5f",
+    support: Some(false),
+};
 const PRO: Artifact = Artifact {
     label: "DeepSeek V4 Pro model",
     file_name: "DeepSeek-V4-Pro-IQ2XXS-w2Q2K-AProjQ8-SExpQ8-OutQ8-Instruct-imatrix.gguf",
@@ -71,6 +82,8 @@ pub(crate) enum ModelChoice {
     #[default]
     #[serde(rename = "deepseek-v4-flash")]
     DeepSeekV4Flash,
+    #[serde(rename = "deepseek-v4-flash-0731")]
+    DeepSeekV4Flash0731,
     #[serde(rename = "deepseek-v4-pro")]
     DeepSeekV4Pro,
     #[serde(rename = "glm-5.2")]
@@ -81,6 +94,7 @@ impl ModelChoice {
     pub(crate) fn id(self) -> &'static str {
         match self {
             Self::DeepSeekV4Flash => "deepseek-v4-flash",
+            Self::DeepSeekV4Flash0731 => "deepseek-v4-flash-0731",
             Self::DeepSeekV4Pro => "deepseek-v4-pro",
             Self::Glm52 => "glm-5.2",
         }
@@ -97,6 +111,7 @@ impl ModelChoice {
     fn main_artifact(self) -> &'static Artifact {
         match self {
             Self::DeepSeekV4Flash => &FLASH,
+            Self::DeepSeekV4Flash0731 => &FLASH_0731,
             Self::DeepSeekV4Pro => &PRO,
             Self::Glm52 => &GLM,
         }
@@ -147,6 +162,7 @@ pub(crate) enum ManagedArtifactId {
     DeepSeekV4Flash,
     DeepSeekV4FlashMtp,
     DeepSeekV4FlashDspark,
+    DeepSeekV4Flash0731,
     DeepSeekV4Pro,
     Glm52,
 }
@@ -157,6 +173,7 @@ impl ManagedArtifactId {
             Self::DeepSeekV4Flash | Self::DeepSeekV4FlashMtp | Self::DeepSeekV4FlashDspark => {
                 ModelChoice::DeepSeekV4Flash
             }
+            Self::DeepSeekV4Flash0731 => ModelChoice::DeepSeekV4Flash0731,
             Self::DeepSeekV4Pro => ModelChoice::DeepSeekV4Pro,
             Self::Glm52 => ModelChoice::Glm52,
         }
@@ -167,6 +184,7 @@ impl ManagedArtifactId {
             Self::DeepSeekV4Flash => &FLASH,
             Self::DeepSeekV4FlashMtp => &FLASH_MTP,
             Self::DeepSeekV4FlashDspark => &FLASH_DSPARK,
+            Self::DeepSeekV4Flash0731 => &FLASH_0731,
             Self::DeepSeekV4Pro => &PRO,
             Self::Glm52 => &GLM,
         }
@@ -261,6 +279,7 @@ impl fmt::Display for ModelChoice {
     fn fmt(&self, formatter: &mut fmt::Formatter<'_>) -> fmt::Result {
         formatter.write_str(match self {
             Self::DeepSeekV4Flash => "DeepSeek V4 Flash",
+            Self::DeepSeekV4Flash0731 => "DeepSeek V4 Flash 0731",
             Self::DeepSeekV4Pro => "DeepSeek V4 Pro",
             Self::Glm52 => "GLM 5.2",
         })

src/model/transfer.rs

@@ -325,17 +325,31 @@ mod tests {
     #[test]
     fn catalog_and_checksum_verification_are_explicit() {
         assert_eq!(ModelChoice::from_id("glm-5.2"), Some(ModelChoice::Glm52));
+        assert_eq!(
+            ModelChoice::from_id("deepseek-v4-flash-0731"),
+            Some(ModelChoice::DeepSeekV4Flash0731)
+        );
         assert!(ModelChoice::from_id("unknown").is_none());
         assert_eq!(
             ModelChoice::DeepSeekV4Flash.main_artifact().size,
             86_720_111_488
         );
         assert_eq!(ModelChoice::Glm52.main_artifact().size, 211_075_856_448);
+        assert_eq!(
+            ModelChoice::DeepSeekV4Flash0731.main_artifact().size,
+            86_720_111_520
+        );
         assert_eq!(
             ModelChoice::DeepSeekV4Flash.artifacts(true, true).count(),
             3
         );
         assert_eq!(ModelChoice::Glm52.artifacts(true, true).count(), 1);
+        assert_eq!(
+            ModelChoice::DeepSeekV4Flash0731
+                .artifacts(true, true)
+                .count(),
+            1
+        );
 
         let id = SystemTime::now()
             .duration_since(UNIX_EPOCH)
@@ -351,6 +365,11 @@ mod tests {
             engine.mtp.as_deref().and_then(Path::file_name),
             Some(std::ffi::OsStr::new(FLASH_DSPARK.file_name))
         );
+        assert!(
+            engine_artifacts(ModelChoice::DeepSeekV4Flash0731, true, true, &models_path)
+                .mtp
+                .is_none()
+        );
         let empty = Artifact {
             label: "empty",
             file_name: "empty",