diff --git a/src/config/claudeProviderPresets.ts b/src/config/claudeProviderPresets.ts
index 26c19a00e..4b7feddce 100644
--- a/src/config/claudeProviderPresets.ts
+++ b/src/config/claudeProviderPresets.ts
@@ -234,23 +234,41 @@ export const providerPresets: ProviderPreset[] = [
   },
   {
     name: "StepFun",
-    websiteUrl: "https://platform.stepfun.ai",
-    apiKeyUrl: "https://platform.stepfun.ai/interface-key",
+    websiteUrl: "https://platform.stepfun.com/step-plan",
+    apiKeyUrl: "https://platform.stepfun.com/interface-key",
     settingsConfig: {
       env: {
-        ANTHROPIC_BASE_URL: "https://api.stepfun.ai/v1",
+        ANTHROPIC_BASE_URL: "https://api.stepfun.com/step_plan",
         ANTHROPIC_AUTH_TOKEN: "",
-        ANTHROPIC_MODEL: "step-3.5-flash",
-        ANTHROPIC_DEFAULT_HAIKU_MODEL: "step-3.5-flash",
-        ANTHROPIC_DEFAULT_SONNET_MODEL: "step-3.5-flash",
-        ANTHROPIC_DEFAULT_OPUS_MODEL: "step-3.5-flash",
+        ANTHROPIC_MODEL: "step-3.5-flash-2603",
+        ANTHROPIC_DEFAULT_HAIKU_MODEL: "step-3.5-flash-2603",
+        ANTHROPIC_DEFAULT_SONNET_MODEL: "step-3.5-flash-2603",
+        ANTHROPIC_DEFAULT_OPUS_MODEL: "step-3.5-flash-2603",
       },
     },
     category: "cn_official",
-    endpointCandidates: ["https://api.stepfun.ai/v1"],
-    apiFormat: "openai_chat",
+    endpointCandidates: ["https://api.stepfun.com/step_plan"],
     icon: "stepfun",
-    iconColor: "#005AFF",
+    iconColor: "#16D6D2",
+  },
+  {
+    name: "StepFun en",
+    websiteUrl: "https://platform.stepfun.ai/step-plan",
+    apiKeyUrl: "https://platform.stepfun.ai/interface-key",
+    settingsConfig: {
+      env: {
+        ANTHROPIC_BASE_URL: "https://api.stepfun.ai/step_plan",
+        ANTHROPIC_AUTH_TOKEN: "",
+        ANTHROPIC_MODEL: "step-3.5-flash-2603",
+        ANTHROPIC_DEFAULT_HAIKU_MODEL: "step-3.5-flash-2603",
+        ANTHROPIC_DEFAULT_SONNET_MODEL: "step-3.5-flash-2603",
+        ANTHROPIC_DEFAULT_OPUS_MODEL: "step-3.5-flash-2603",
+      },
+    },
+    category: "cn_official",
+    endpointCandidates: ["https://api.stepfun.ai/step_plan"],
+    icon: "stepfun",
+    iconColor: "#16D6D2",
   },
   {
     name: "ModelScope",
diff --git a/src/config/openclawProviderPresets.ts b/src/config/openclawProviderPresets.ts
index d75822197..53f8e5c33 100644
--- a/src/config/openclawProviderPresets.ts
+++ b/src/config/openclawProviderPresets.ts
@@ -341,13 +341,18 @@ export const openclawProviderPresets: OpenClawProviderPreset[] = [
   },
   {
     name: "StepFun",
-    websiteUrl: "https://platform.stepfun.ai",
-    apiKeyUrl: "https://platform.stepfun.ai/interface-key",
+    websiteUrl: "https://platform.stepfun.com/step-plan",
+    apiKeyUrl: "https://platform.stepfun.com/interface-key",
     settingsConfig: {
-      baseUrl: "https://api.stepfun.ai/v1",
+      baseUrl: "https://api.stepfun.com/step_plan/v1",
       apiKey: "",
       api: "openai-completions",
       models: [
+        {
+          id: "step-3.5-flash-2603",
+          name: "Step 3.5 Flash 2603",
+          contextWindow: 262144,
+        },
         {
           id: "step-3.5-flash",
           name: "Step 3.5 Flash",
@@ -357,12 +362,12 @@ export const openclawProviderPresets: OpenClawProviderPreset[] = [
     },
     category: "cn_official",
     icon: "stepfun",
-    iconColor: "#005AFF",
+    iconColor: "#16D6D2",
     templateValues: {
       baseUrl: {
         label: "Base URL",
-        placeholder: "https://api.stepfun.ai/v1",
-        defaultValue: "https://api.stepfun.ai/v1",
+        placeholder: "https://api.stepfun.com/step_plan/v1",
+        defaultValue: "https://api.stepfun.com/step_plan/v1",
         editorValue: "",
       },
       apiKey: {
@@ -372,8 +377,56 @@ export const openclawProviderPresets: OpenClawProviderPreset[] = [
       },
     },
     suggestedDefaults: {
-      model: { primary: "stepfun/step-3.5-flash" },
-      modelCatalog: { "stepfun/step-3.5-flash": { alias: "StepFun" } },
+      model: { primary: "stepfun/step-3.5-flash-2603" },
+      modelCatalog: {
+        "stepfun/step-3.5-flash-2603": { alias: "StepFun" },
+        "stepfun/step-3.5-flash": { alias: "StepFun Flash" },
+      },
+    },
+  },
+  {
+    name: "StepFun en",
+    websiteUrl: "https://platform.stepfun.ai/step-plan",
+    apiKeyUrl: "https://platform.stepfun.ai/interface-key",
+    settingsConfig: {
+      baseUrl: "https://api.stepfun.ai/step_plan/v1",
+      apiKey: "",
+      api: "openai-completions",
+      models: [
+        {
+          id: "step-3.5-flash-2603",
+          name: "Step 3.5 Flash 2603",
+          contextWindow: 262144,
+        },
+        {
+          id: "step-3.5-flash",
+          name: "Step 3.5 Flash",
+          contextWindow: 262144,
+        },
+      ],
+    },
+    category: "cn_official",
+    icon: "stepfun",
+    iconColor: "#16D6D2",
+    templateValues: {
+      baseUrl: {
+        label: "Base URL",
+        placeholder: "https://api.stepfun.ai/step_plan/v1",
+        defaultValue: "https://api.stepfun.ai/step_plan/v1",
+        editorValue: "",
+      },
+      apiKey: {
+        label: "API Key",
+        placeholder: "step-...",
+        editorValue: "",
+      },
+    },
+    suggestedDefaults: {
+      model: { primary: "stepfun-en/step-3.5-flash-2603" },
+      modelCatalog: {
+        "stepfun-en/step-3.5-flash-2603": { alias: "StepFun" },
+        "stepfun-en/step-3.5-flash": { alias: "StepFun Flash" },
+      },
     },
   },
   {
diff --git a/src/config/opencodeProviderPresets.ts b/src/config/opencodeProviderPresets.ts
index f52080f6c..8ec12b99c 100644
--- a/src/config/opencodeProviderPresets.ts
+++ b/src/config/opencodeProviderPresets.ts
@@ -62,6 +62,11 @@ export const OPENCODE_PRESET_MODEL_VARIANTS: Record<
       outputLimit: 262144,
       modalities: { input: ["text", "image", "video"], output: ["text"] },
     },
+    {
+      id: "step-3.5-flash-2603",
+      name: "Step 3.5 Flash 2603",
+      contextLimit: 262144,
+    },
     {
       id: "step-3.5-flash",
       name: "Step 3.5 Flash",
@@ -513,28 +518,62 @@ export const opencodeProviderPresets: OpenCodeProviderPreset[] = [
   },
   {
     name: "StepFun",
-    websiteUrl: "https://platform.stepfun.ai",
-    apiKeyUrl: "https://platform.stepfun.ai/interface-key",
+    websiteUrl: "https://platform.stepfun.com/step-plan",
+    apiKeyUrl: "https://platform.stepfun.com/interface-key",
     settingsConfig: {
       npm: "@ai-sdk/openai-compatible",
       name: "StepFun",
       options: {
-        baseURL: "https://api.stepfun.ai/v1",
+        baseURL: "https://api.stepfun.com/step_plan/v1",
         apiKey: "",
         setCacheKey: true,
       },
       models: {
+        "step-3.5-flash-2603": { name: "Step 3.5 Flash 2603" },
         "step-3.5-flash": { name: "Step 3.5 Flash" },
       },
     },
     category: "cn_official",
     icon: "stepfun",
-    iconColor: "#005AFF",
+    iconColor: "#16D6D2",
     templateValues: {
       baseURL: {
         label: "Base URL",
-        placeholder: "https://api.stepfun.ai/v1",
-        defaultValue: "https://api.stepfun.ai/v1",
+        placeholder: "https://api.stepfun.com/step_plan/v1",
+        defaultValue: "https://api.stepfun.com/step_plan/v1",
+        editorValue: "",
+      },
+      apiKey: {
+        label: "API Key",
+        placeholder: "step-...",
+        editorValue: "",
+      },
+    },
+  },
+  {
+    name: "StepFun en",
+    websiteUrl: "https://platform.stepfun.ai/step-plan",
+    apiKeyUrl: "https://platform.stepfun.ai/interface-key",
+    settingsConfig: {
+      npm: "@ai-sdk/openai-compatible",
+      name: "StepFun en",
+      options: {
+        baseURL: "https://api.stepfun.ai/step_plan/v1",
+        apiKey: "",
+      },
+      models: {
+        "step-3.5-flash-2603": { name: "Step 3.5 Flash 2603" },
+        "step-3.5-flash": { name: "Step 3.5 Flash" },
+      },
+    },
+    category: "cn_official",
+    icon: "stepfun",
+    iconColor: "#16D6D2",
+    templateValues: {
+      baseURL: {
+        label: "Base URL",
+        placeholder: "https://api.stepfun.ai/step_plan/v1",
+        defaultValue: "https://api.stepfun.ai/step_plan/v1",
         editorValue: "",
       },
       apiKey: {