feat: add Groq and xAI providers with API key support

Author: riccardogiorato

README.md

@@ -39,6 +39,8 @@ This will guide you through:
 
   - **TogetherAI** (recommended) - Get your API key from [TogetherAI](https://api.together.ai/)
   - **OpenAI** - Get your API key from [OpenAI API Keys page](https://platform.openai.com/account/api-keys)
+  - **Groq** - Get your API key from [Groq Console](https://console.groq.com/keys)
+  - **xAI** - Get your API key from [xAI Console](https://console.x.ai/)
   - **OpenRouter** - Get your API key from [OpenRouter](https://openrouter.ai/keys)
   - **Ollama** (local) - Run AI models locally with [Ollama](https://ollama.ai)
   - **LM Studio** (local) - No API key required. Runs on your computer via [LM Studio](https://lmstudio.ai/)
@@ -287,7 +289,7 @@ Model to use for OpenAI-compatible providers.
 
 #### provider
 
-The selected AI provider. Set automatically during `aicommits setup`. Valid values: `openai`, `togetherai`, `ollama`, `custom`.
+The selected AI provider. Set automatically during `aicommits setup`. Valid values: `openai`, `togetherai`, `groq`, `xai`, `openrouter`, `ollama`, `lmstudio`, `custom`.
 
 #### locale
 

src/feature/providers/groq.ts

@@ -0,0 +1,21 @@
+import { ProviderDef } from './base.js';
+
+export const GroqProvider: ProviderDef = {
+	name: 'groq',
+	displayName: 'Groq',
+	baseUrl: 'https://api.groq.com/openai/v1',
+	apiKeyFormat: 'gsk_',
+	modelsFilter: (models) =>
+		models
+			.filter(
+				(m: any) =>
+					m.id && (!m.type || m.type === 'chat' || m.type === 'language'),
+			)
+			.map((m: any) => m.id),
+	defaultModels: [
+		'openai/gpt-oss-120b',
+		'llama-3.1-8b-instant',
+		'openai/gpt-oss-20b',
+	],
+	requiresApiKey: true,
+};

src/feature/providers/providers-data.ts

@@ -4,10 +4,14 @@ import { OllamaProvider } from './ollama.js';
 import { OpenAiCustom } from './openaiCustom.js';
 import { OpenRouterProvider } from './openrouter.js';
 import { LMStudioProvider } from './lmstudio.js';
+import { GroqProvider } from './groq.js';
+import { XAiProvider } from './xai.js';
 
 export const providers = [
 	TogetherProvider,
 	OpenAiProvider,
+	GroqProvider,
+	XAiProvider,
 	OllamaProvider,
 	LMStudioProvider,
 	OpenRouterProvider,

src/feature/providers/xai.ts

@@ -0,0 +1,17 @@
+import { ProviderDef } from './base.js';
+
+export const XAiProvider: ProviderDef = {
+	name: 'xai',
+	displayName: 'xAI',
+	baseUrl: 'https://api.x.ai/v1',
+	apiKeyFormat: 'xai-',
+	modelsFilter: (models) =>
+		models
+			.filter(
+				(m: any) =>
+					m.id && (!m.type || m.type === 'chat' || m.type === 'language'),
+			)
+			.map((m: any) => m.id),
+	defaultModels: ['grok-4.1-fast', 'grok-4-fast', 'grok-code-fast-1'],
+	requiresApiKey: true,
+};