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feat: add Grok (xAI) API adapter with custom model mapping (#152)

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Add xAI Grok as a new API provider. Reuses OpenAI-compatible message/tool
converters and stream adapter with Grok-specific client and model mapping.

Default model mapping:
  opus   → grok-4.20-reasoning
  sonnet → grok-3-mini-fast
  haiku  → grok-3-mini-fast

Users can customize mapping via:
  - GROK_MODEL env var (override all)
  - GROK_MODEL_MAP env var (JSON family map, e.g. {"opus":"grok-4"})
  - GROK_DEFAULT_{FAMILY}_MODEL env vars

Activation: CLAUDE_CODE_USE_GROK=1 or modelType: "grok" in settings.json
Also integrates with /provider command for runtime switching.
This commit is contained in:
uk0
2026-04-07 09:24:55 +08:00
committed by GitHub
parent dfa7aa1d29
commit 70baa6f7db
9 changed files with 488 additions and 6 deletions
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3
src/utils/model/providers.ts
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@@ -9,11 +9,13 @@ export type APIProvider =
| 'foundry'
| 'openai'
| 'gemini'
| 'grok'
export function getAPIProvider(): APIProvider {
const modelType = getInitialSettings().modelType
if (modelType === 'openai') return 'openai'
if (modelType === 'gemini') return 'gemini'
if (modelType === 'grok') return 'grok'
if (isEnvTruthy(process.env.CLAUDE_CODE_USE_BEDROCK)) return 'bedrock'
if (isEnvTruthy(process.env.CLAUDE_CODE_USE_VERTEX)) return 'vertex'
@@ -21,6 +23,7 @@ export function getAPIProvider(): APIProvider {
if (isEnvTruthy(process.env.CLAUDE_CODE_USE_OPENAI)) return 'openai'
if (isEnvTruthy(process.env.CLAUDE_CODE_USE_GEMINI)) return 'gemini'
if (isEnvTruthy(process.env.CLAUDE_CODE_USE_GROK)) return 'grok'
return 'firstParty'
}