feat: upgrade MiniMax default model to M3

README.md

@@ -241,7 +241,7 @@ All settings are manageable in the **Settings** page at `/settings` or via envir
 | API Base URL | `ANTHROPIC_BASE_URL` | Custom endpoint for proxies or local Anthropic-compatible models |
 | AI Model | Settings page only | Haiku 4.5 (default, fastest/cheapest), Sonnet 4.6, Opus 4.6 |
 | OpenAI Key | `OPENAI_API_KEY` | Alternative provider — GPT-4.1 Mini/Nano/Full, o4-mini, o3 |
-| MiniMax Key | `MINIMAX_API_KEY` | Alternative provider — M2.7 (1M context), M2.5, M2.5-highspeed |
+| MiniMax Key | `MINIMAX_API_KEY` | Alternative provider — M3 (default, 512K context), M2.7 (192K context), M2.7 Highspeed |
 | MiniMax Base URL | `MINIMAX_BASE_URL` | Custom MiniMax API endpoint (default: `https://api.minimax.io/v1`) |
 | Database | `DATABASE_URL` | SQLite file path (default: `file:./prisma/dev.db`) |
 
@@ -356,7 +356,7 @@ For Prisma command and workflow details, see:
 | [SQLite](https://sqlite.org) | — | Local database — zero setup, includes FTS5 |
 | [Tailwind CSS](https://tailwindcss.com) | v4 | Styling |
 | [Anthropic SDK](https://docs.anthropic.com) | — | Vision, semantic tagging, categorization, search |
-| [MiniMax](https://platform.minimaxi.com) | — | Alternative AI provider (M2.7 1M context, M2.5) |
+| [MiniMax](https://platform.minimaxi.com) | — | Alternative AI provider (M3 default, M2.7 192K context, M2.7 Highspeed) |
 | [@xyflow/react](https://xyflow.com) | 12 | Interactive mindmap graph |
 | [Framer Motion](https://www.framer.com/motion/) | 12 | Animations |
 | [Radix UI](https://www.radix-ui.com) | — | Accessible UI primitives |

__tests__/minimax-ai-client.test.ts

@@ -26,7 +26,7 @@ describe('MiniMaxAIClient', () => {
     const client = new MiniMaxAIClient(mock)
 
     const result = await client.createMessage({
-      model: 'MiniMax-M2.7',
+      model: 'MiniMax-M3',
       max_tokens: 100,
       messages: [{ role: 'user', content: 'hi' }],
     })
@@ -41,7 +41,7 @@ describe('MiniMaxAIClient', () => {
     const client = new MiniMaxAIClient(mock)
 
     const result = await client.createMessage({
-      model: 'MiniMax-M2.5',
+      model: 'MiniMax-M3',
       max_tokens: 100,
       messages: [{ role: 'user', content: 'test' }],
     })
@@ -57,7 +57,7 @@ describe('MiniMaxAIClient', () => {
     const client = new MiniMaxAIClient(mock)
 
     const result = await client.createMessage({
-      model: 'MiniMax-M2.5',
+      model: 'MiniMax-M3',
       max_tokens: 100,
       messages: [{ role: 'user', content: 'test' }],
     })
@@ -113,14 +113,14 @@ describe('MiniMaxAIClient', () => {
     const client = new MiniMaxAIClient(mock)
 
     await client.createMessage({
-      model: 'MiniMax-M2.7',
+      model: 'MiniMax-M3',
       max_tokens: 512,
       messages: [{ role: 'user', content: 'test' }],
     })
 
     expect(createFn).toHaveBeenCalledWith(
       expect.objectContaining({
-        model: 'MiniMax-M2.7',
+        model: 'MiniMax-M3',
         max_tokens: 512,
       })
     )

__tests__/minimax-integration.test.ts

@@ -32,7 +32,7 @@ describe('MiniMax integration - categorization pipeline', () => {
     const client = new MiniMaxAIClient(createMockSDK(jsonResponse))
 
     const result = await client.createMessage({
-      model: 'MiniMax-M2.7',
+      model: 'MiniMax-M3',
       max_tokens: 4096,
       messages: [
         {
@@ -53,7 +53,7 @@ describe('MiniMax integration - categorization pipeline', () => {
     const client = new MiniMaxAIClient(createMockSDK(response))
 
     const result = await client.createMessage({
-      model: 'MiniMax-M2.5',
+      model: 'MiniMax-M3',
       max_tokens: 4096,
       messages: [{ role: 'user', content: 'Categorize...' }],
     })

app/api/settings/route.ts

@@ -24,9 +24,9 @@ const ALLOWED_OPENAI_MODELS = [
 ] as const
 
 const ALLOWED_MINIMAX_MODELS = [
+  'MiniMax-M3',
   'MiniMax-M2.7',
-  'MiniMax-M2.5',
-  'MiniMax-M2.5-highspeed',
+  'MiniMax-M2.7-highspeed',
 ] as const
 
 export async function GET(): Promise<NextResponse> {
@@ -54,7 +54,7 @@ export async function GET(): Promise<NextResponse> {
       openaiModel: openaiModel?.value ?? 'gpt-4.1-mini',
       minimaxApiKey: maskKey(minimax?.value ?? null),
       hasMinimaxKey: minimax !== null,
-      minimaxModel: minimaxModel?.value ?? 'MiniMax-M2.7',
+      minimaxModel: minimaxModel?.value ?? 'MiniMax-M3',
       xOAuthClientId: maskKey(xClientId?.value ?? null),
       xOAuthClientSecret: maskKey(xClientSecret?.value ?? null),
       hasXOAuth: !!xClientId?.value,

app/api/settings/test/route.ts

@@ -90,7 +90,7 @@ export async function POST(request: NextRequest): Promise<NextResponse> {
 
     try {
       await client.chat.completions.create({
-        model: 'MiniMax-M2.7',
+        model: 'MiniMax-M3',
         max_tokens: 5,
         messages: [{ role: 'user', content: 'hi' }],
       })

app/settings/page.tsx

@@ -42,9 +42,9 @@ const OPENAI_MODELS = [
 ]
 
 const MINIMAX_MODELS = [
-  { value: 'MiniMax-M2.7', label: 'M2.7', description: '1M Context, Latest' },
-  { value: 'MiniMax-M2.5', label: 'M2.5', description: '204K Context' },
-  { value: 'MiniMax-M2.5-highspeed', label: 'M2.5 Highspeed', description: '204K, Fastest' },
+  { value: 'MiniMax-M3', label: 'M3', description: '512K Context, Latest' },
+  { value: 'MiniMax-M2.7', label: 'M2.7', description: '192K Context' },
+  { value: 'MiniMax-M2.7-highspeed', label: 'M2.7 Highspeed', description: 'Fast M2.7 Variant' },
 ]
 
 
@@ -678,10 +678,10 @@ function ApiKeySection({ onToast }: { onToast: (t: Toast) => void }) {
             <ModelSelector
               models={MINIMAX_MODELS}
               settingKey="minimaxModel"
-              defaultValue="MiniMax-M2.7"
+              defaultValue="MiniMax-M3"
               onToast={onToast}
             />
-            <p className="text-xs text-zinc-500 mt-1.5">MiniMax M2.7 supports 1M context window — great for large batch categorization</p>
+            <p className="text-xs text-zinc-500 mt-1.5">MiniMax M3 is the latest flagship with 512K context — M2.7 (1M context) remains available</p>
           </div>
         </div>
       )}

lib/settings.ts

@@ -55,7 +55,7 @@ export async function getOpenAIModel(): Promise<string> {
 export async function getMiniMaxModel(): Promise<string> {
   if (_cachedMiniMaxModel && Date.now() < _miniMaxModelCacheExpiry) return _cachedMiniMaxModel
   const setting = await prisma.setting.findUnique({ where: { key: 'minimaxModel' } })
-  _cachedMiniMaxModel = setting?.value ?? 'MiniMax-M2.7'
+  _cachedMiniMaxModel = setting?.value ?? 'MiniMax-M3'
   _miniMaxModelCacheExpiry = Date.now() + CACHE_TTL
   return _cachedMiniMaxModel
 }