diff --git a/packages/app/src/components/inference/utils/tooltip-utils.test.ts b/packages/app/src/components/inference/utils/tooltip-utils.test.ts
index daa48b26..f3814bad 100644
--- a/packages/app/src/components/inference/utils/tooltip-utils.test.ts
+++ b/packages/app/src/components/inference/utils/tooltip-utils.test.ts
@@ -524,6 +524,21 @@ describe('generateOverlayTooltipContent', () => {
     expect(standardZh).toContain('<strong>投机解码:</strong> 关闭');
   });
 
+  it('labels Kimi-K3 speculative decoding "DSpark" rather than the generic MTP', () => {
+    const html = generateOverlayTooltipContent(
+      overlayConfig({
+        data: pt({
+          benchmark_type: 'agentic_traces',
+          model: 'Kimi-K3',
+          spec_decoding: 'mtp',
+        }),
+      }),
+    );
+
+    expect(html).toContain('<strong>Speculative Decoding:</strong> DSpark');
+    expect(html).not.toContain('<strong>Speculative Decoding:</strong> MTP');
+  });
+
   it('hides stale CPU cache hits for unofficial overlays without offload', () => {
     const html = generateOverlayTooltipContent(
       overlayConfig({
diff --git a/packages/constants/src/framework-aliases.test.ts b/packages/constants/src/framework-aliases.test.ts
index 3acee7b0..469ef3cc 100644
--- a/packages/constants/src/framework-aliases.test.ts
+++ b/packages/constants/src/framework-aliases.test.ts
@@ -31,6 +31,10 @@ describe('MODEL_SPEC_METHOD_LABELS', () => {
   it('maps MiniMax-M3 mtp to "M3 EAGLE"', () => {
     expect(MODEL_SPEC_METHOD_LABELS['MiniMax-M3']?.mtp).toBe('M3 EAGLE');
   });
+
+  it('maps Kimi-K3 mtp to "DSpark"', () => {
+    expect(MODEL_SPEC_METHOD_LABELS['Kimi-K3']?.mtp).toBe('DSpark');
+  });
 });
 
 describe('resolveFrameworkPartLabel', () => {
@@ -38,6 +42,10 @@ describe('resolveFrameworkPartLabel', () => {
     expect(resolveFrameworkPartLabel('MiniMax-M3', 'mtp')).toBe('M3 EAGLE');
   });
 
+  it('renders K3 mtp as "DSpark"', () => {
+    expect(resolveFrameworkPartLabel('Kimi-K3', 'mtp')).toBe('DSpark');
+  });
+
   it('keeps the generic MTP label for other models', () => {
     expect(resolveFrameworkPartLabel('DeepSeek-R1-0528', 'mtp')).toBe('MTP');
   });
@@ -46,6 +54,10 @@ describe('resolveFrameworkPartLabel', () => {
     expect(resolveFrameworkPartLabel(undefined, 'mtp')).toBe('MTP');
   });
 
+  it('keeps the generic MTP label for sibling Kimi models', () => {
+    expect(resolveFrameworkPartLabel('Kimi-K2.5', 'mtp')).toBe('MTP');
+  });
+
   it('falls back to FRAMEWORK_LABELS for non-overridden parts even for M3', () => {
     expect(resolveFrameworkPartLabel('MiniMax-M3', 'vllm')).toBe('vLLM');
   });
diff --git a/packages/constants/src/framework-aliases.ts b/packages/constants/src/framework-aliases.ts
index 076f5cb2..902ddf22 100644
--- a/packages/constants/src/framework-aliases.ts
+++ b/packages/constants/src/framework-aliases.ts
@@ -55,12 +55,13 @@ export const FRAMEWORK_LABELS: Record<string, string> = {
  * Per-model display overrides for hwKey suffix parts (framework / spec_method
  * tokens), keyed by frontend display model name → token → label.
  *
- * M3's speculative-decoding runs are ingested under the generic `mtp` token but
- * actually use EAGLE, so for MiniMax-M3 the suffix reads "EAGLE" while every
- * other model keeps the generic "MTP" label.
+ * Some models are ingested under the generic `mtp` token but ship a
+ * differently-named method: M3 uses EAGLE, and K3 uses DSpark. Those models get
+ * their own label while every other model keeps the generic "MTP" label.
  */
 export const MODEL_SPEC_METHOD_LABELS: Record<string, Record<string, string>> = {
   'MiniMax-M3': { mtp: 'M3 EAGLE' },
+  'Kimi-K3': { mtp: 'DSpark' },
 };
 
 /**