diff --git a/.github/workflows/claude-review.yml b/.github/workflows/claude-review.yml
index 73669ea0..ecb6c1ce 100644
--- a/.github/workflows/claude-review.yml
+++ b/.github/workflows/claude-review.yml
@@ -48,7 +48,7 @@ jobs:
             IMPORTANT: After completing your review, you MUST post your findings as a PR comment.
             Steps to post: 1) Write review to /tmp/review.md using the Write tool, 2) Run: gh pr comment $PR_NUMBER --body-file /tmp/review.md
             Get the PR number first via: gh pr list --state open --json number --jq '.[0].number'
-          claude_args: '--model MiniMax-M2.5 --max-turns 20 --allowedTools "Bash(git:*),Bash(gh:*),Read,Glob,Grep,WebFetch,Write"'
+          claude_args: '--model MiniMax-M3 --max-turns 20 --allowedTools "Bash(git:*),Bash(gh:*),Read,Glob,Grep,WebFetch,Write"'
 
   interactive:
     if: |
@@ -68,4 +68,4 @@ jobs:
           ANTHROPIC_BASE_URL: https://api.minimax.io/anthropic
         with:
           anthropic_api_key: ${{ secrets.MINIMAX_API_KEY }}
-          claude_args: '--model MiniMax-M2.5 --max-turns 20 --allowedTools "Bash(git:*),Bash(gh:*),Read,Glob,Grep,WebFetch,Edit,Write"'
+          claude_args: '--model MiniMax-M3 --max-turns 20 --allowedTools "Bash(git:*),Bash(gh:*),Read,Glob,Grep,WebFetch,Edit,Write"'
diff --git a/apps/webuiapps/src/lib/__tests__/llmClient.test.ts b/apps/webuiapps/src/lib/__tests__/llmClient.test.ts
index 1b53438d..d8c133af 100644
--- a/apps/webuiapps/src/lib/__tests__/llmClient.test.ts
+++ b/apps/webuiapps/src/lib/__tests__/llmClient.test.ts
@@ -131,8 +131,8 @@ describe('getDefaultProviderConfig()', () => {
   it('returns correct defaults for minimax', () => {
     const cfg = getDefaultProviderConfig('minimax');
     expect(cfg.provider).toBe('minimax');
-    expect(cfg.baseUrl).toBe('https://api.minimax.io/anthropic/v1');
-    expect(cfg.model).toBe('MiniMax-M2.5');
+    expect(cfg.baseUrl).toBe('https://api.minimax.io/anthropic');
+    expect(cfg.model).toBe('MiniMax-M3');
   });
 
   it('returns correct defaults for z.ai', () => {
@@ -153,7 +153,7 @@ describe('getDefaultProviderConfig()', () => {
     const cfg = getDefaultProviderConfig('openrouter');
     expect(cfg.provider).toBe('openrouter');
     expect(cfg.baseUrl).toBe('https://openrouter.ai/api/v1');
-    expect(cfg.model).toBe('minimax/MiniMax-M2.5');
+    expect(cfg.model).toBe('minimax/MiniMax-M3');
   });
 
   it('returns consistent values for the same provider', () => {
@@ -560,7 +560,7 @@ respond_to_user
         provider: 'minimax',
         apiKey: 'minimax-key',
         baseUrl: 'https://api.minimax.io/anthropic',
-        model: 'MiniMax-M2.5',
+        model: 'MiniMax-M3',
       };
       const mockFetch = vi.fn().mockResolvedValueOnce(makeAnthropicResponse('MiniMax response'));
       globalThis.fetch = mockFetch;
@@ -570,6 +570,7 @@ respond_to_user
       expect(result.content).toBe('MiniMax response');
       const headers = mockFetch.mock.calls[0][1].headers as Record<string, string>;
       expect(headers['anthropic-version']).toBe('2023-06-01');
+      expect(headers['X-LLM-Target-URL']).toBe('https://api.minimax.io/anthropic/v1/messages');
     });
   });
 
diff --git a/apps/webuiapps/src/lib/llmModels.ts b/apps/webuiapps/src/lib/llmModels.ts
index 346907ef..aa7ddcb2 100644
--- a/apps/webuiapps/src/lib/llmModels.ts
+++ b/apps/webuiapps/src/lib/llmModels.ts
@@ -87,16 +87,12 @@ export const LLM_PROVIDER_CONFIGS: Record<LLMProvider, ProviderModelConfig> = {
 
   minimax: {
     displayName: 'MiniMax',
-    baseUrl: 'https://api.minimax.io/anthropic/v1',
-    defaultModel: 'MiniMax-M2.5',
+    baseUrl: 'https://api.minimax.io/anthropic',
+    defaultModel: 'MiniMax-M3',
     models: [
-      { id: 'MiniMax-M2.5', name: 'MiniMax M2.5', category: 'flagship' },
-      { id: 'MiniMax-M2.5-highspeed', name: 'MiniMax M2.5 Highspeed', category: 'general' },
-      { id: 'MiniMax-M2.1', name: 'MiniMax M2.1', category: 'coding' },
-      { id: 'MiniMax-M2.1-highspeed', name: 'MiniMax M2.1 Highspeed', category: 'coding' },
+      { id: 'MiniMax-M3', name: 'MiniMax M3', category: 'flagship' },
       { id: 'MiniMax-M2.7', name: 'MiniMax M2.7', category: 'flagship' },
       { id: 'MiniMax-M2.7-highspeed', name: 'MiniMax M2.7 Highspeed', category: 'general' },
-      { id: 'MiniMax-M2', name: 'MiniMax M2', category: 'general' },
     ],
   },
 
@@ -135,13 +131,11 @@ export const LLM_PROVIDER_CONFIGS: Record<LLMProvider, ProviderModelConfig> = {
   openrouter: {
     displayName: 'OpenRouter',
     baseUrl: 'https://openrouter.ai/api/v1',
-    defaultModel: 'minimax/MiniMax-M2.5',
+    defaultModel: 'minimax/MiniMax-M3',
     models: [
-      { id: 'minimax/MiniMax-M2.5', name: 'MiniMax M2.5', category: 'flagship' },
-      { id: 'minimax/MiniMax-M2.5-highspeed', name: 'MiniMax M2.5 Highspeed', category: 'general' },
+      { id: 'minimax/MiniMax-M3', name: 'MiniMax M3', category: 'flagship' },
       { id: 'minimax/MiniMax-M2.7', name: 'MiniMax M2.7', category: 'flagship' },
       { id: 'minimax/MiniMax-M2.7-highspeed', name: 'MiniMax M2.7 Highspeed', category: 'general' },
-      { id: 'minimax/MiniMax-M2.1', name: 'MiniMax M2.1', category: 'coding' },
       { id: 'anthropic/claude-sonnet-4-6', name: 'Claude Sonnet 4.6', category: 'general' },
       { id: 'openai/gpt-5.4', name: 'GPT-5.4', category: 'flagship' },
       { id: 'deepseek/deepseek-chat', name: 'DeepSeek Chat', category: 'general' },