docs/providers/xai.md
OpenClaw ships a bundled xai provider plugin for Grok models. The
recommended path is Grok OAuth with an eligible SuperGrok or X Premium
subscription. Gateway, config, routing, and tools stay local; only Grok
requests go to xAI's API.
OAuth does not require an xAI API key or the Grok Build app. xAI may still show Grok Build on the consent screen because OpenClaw uses xAI's shared OAuth client.
```bash
openclaw onboard --install-daemon
```
On a VPS or over SSH, select xAI OAuth directly; it uses device-code
verification and does not need a localhost callback:
```bash
openclaw onboard --install-daemon --auth-choice xai-oauth
```
```bash
openclaw models auth login --provider xai --method oauth
```
Apply Grok as the default model separately:
```bash
openclaw models set xai/grok-4.3
```
Rerun full onboarding only if you intentionally want to change Gateway,
daemon, channel, workspace, or other setup choices.
```bash
openclaw models auth login --provider xai --method api-key
export XAI_API_KEY=xai-...
```
For SSH, Docker, VPS, or other remote setups, use
openclaw models auth login --provider xai --method oauth; it uses
device-code verification, not a localhost callback.
If sign-in succeeds but Grok is not the default model, run
openclaw models set xai/grok-4.3.
Inspect saved xAI auth profiles:
openclaw models auth list --provider xai
openclaw models status
xAI decides which accounts can receive OAuth API tokens. If an account is not eligible, use the API-key path or check the subscription on xAI's side.
Selectable ids in model pickers. The plugin still resolves older Grok 3, Grok 4, Grok 4 Fast, Grok 4.1 Fast, and Grok Code ids for existing configs; see legacy compatibility aliases.
| Family | Model ids |
|---|---|
| Grok Build 0.1 | grok-build-0.1 |
| Grok 4.3 | grok-4.3 |
| Grok 4.20 Beta | grok-4.20-beta-latest-reasoning, grok-4.20-beta-latest-non-reasoning |
The bundled plugin maps xAI's current public API surface onto OpenClaw's shared provider and tool contracts. Capabilities that do not fit the shared contract, such as streaming TTS and realtime voice, are not exposed.
| xAI capability | OpenClaw surface | Status |
|---|---|---|
| Chat / Responses | xai/<model> model provider | Yes |
| Server-side web search | web_search provider grok | Yes |
| Server-side X search | x_search tool | Yes |
| Server-side code execution | code_execution tool | Yes |
| Images | image_generate | Yes |
| Videos | video_generate | Yes |
| Batch text-to-speech | messages.tts.provider: "xai" / tts | Yes |
| Streaming TTS | - | Not exposed; OpenClaw's TTS contract returns complete audio buffers |
| Batch speech-to-text | tools.media.audio media understanding | Yes |
| Streaming speech-to-text | Voice Call streaming.provider: "xai" | Yes |
| Realtime voice | - | Not exposed yet; needs a different session/WebSocket contract |
| Files / batches | Generic model API compatibility only | Not a first-class OpenClaw tool |
/fast on or agents.defaults.models["xai/<model>"].params.fastMode: true
rewrites native xAI requests as follows:
| Source model | Fast-mode target |
|---|---|
grok-3 | grok-3-fast |
grok-3-mini | grok-3-mini-fast |
grok-4 | grok-4-fast |
grok-4-0709 | grok-4-fast |
Legacy aliases normalize to the canonical bundled ids:
| Legacy alias | Canonical id |
|---|---|
grok-code-fast-1, grok-code-fast, grok-code-fast-1-0825 | grok-build-0.1 |
grok-4-fast-reasoning | grok-4-fast |
grok-4-1-fast-reasoning | grok-4-1-fast |
grok-4.20-reasoning, grok-4.20-experimental-beta-0304-reasoning | grok-4.20-beta-latest-reasoning |
grok-4.20-non-reasoning, grok-4.20-experimental-beta-0304-non-reasoning | grok-4.20-beta-latest-non-reasoning |
```bash
openclaw models auth login --provider xai --method oauth
openclaw config set tools.web.search.provider grok
```
- Default video model: `xai/grok-imagine-video`
- Modes: text-to-video, image-to-video, reference-image generation, remote
video edit, and remote video extension
- Aspect ratios: `1:1`, `16:9`, `9:16`, `4:3`, `3:4`, `3:2`, `2:3`
- Resolutions: `480P`, `720P`
- Duration: 1-15 seconds for generation/image-to-video, 1-10 seconds when
using `reference_image` roles, 2-10 seconds for extension
- Reference-image generation: set `imageRoles` to `reference_image` for
every supplied image; xAI accepts up to 7 such images
- Default operation timeout: 600 seconds unless `video_generate.timeoutMs`
or `agents.defaults.videoGenerationModel.timeoutMs` is set
<Warning>
Local video buffers are not accepted. Use remote `http(s)` URLs for video
edit/extend inputs. Image-to-video accepts local image buffers because
OpenClaw encodes those as data URLs for xAI.
</Warning>
To use xAI as the default video provider:
```json5
{
agents: {
defaults: {
videoGenerationModel: {
primary: "xai/grok-imagine-video",
},
},
},
}
```
<Note>
See [Video Generation](/tools/video-generation) for shared tool
parameters, provider selection, and failover behavior.
</Note>
- Default image model: `xai/grok-imagine-image`
- Additional model: `xai/grok-imagine-image-quality`
- Modes: text-to-image and reference-image edit
- Reference inputs: one `image` or up to five `images`
- Aspect ratios: `1:1`, `16:9`, `9:16`, `4:3`, `3:4`, `2:3`, `3:2`
- Resolutions: `1K`, `2K`
- Count: up to 4 images
- Default operation timeout: 600 seconds unless `image_generate.timeoutMs`
or `agents.defaults.imageGenerationModel.timeoutMs` is set
OpenClaw asks xAI for `b64_json` image responses so generated media can be
stored and delivered through the normal channel attachment path. Local
reference images are converted to data URLs; remote `http(s)` references
pass through unchanged.
To use xAI as the default image provider:
```json5
{
agents: {
defaults: {
imageGenerationModel: {
primary: "xai/grok-imagine-image",
},
},
},
}
```
<Note>
xAI also documents `quality`, `mask`, `user`, and additional native ratios
such as `1:2`, `2:1`, `9:20`, and `20:9`. OpenClaw forwards only the shared
cross-provider image controls today; these native-only knobs are not
exposed through `image_generate`.
</Note>
- Voices: `eve`, `ara`, `rex`, `sal`, `leo`, `una`
- Default voice: `eve`
- Formats: `mp3`, `wav`, `pcm`, `mulaw`, `alaw`
- Language: BCP-47 code or `auto`
- Speed: provider-native speed override
- Native Opus voice-note format is not supported
To use xAI as the default TTS provider:
```json5
{
messages: {
tts: {
provider: "xai",
providers: {
xai: {
voiceId: "eve",
},
},
},
},
}
```
<Note>
OpenClaw uses xAI's batch `/v1/tts` endpoint. xAI also offers streaming
TTS over WebSocket, but the OpenClaw speech provider contract currently
expects a complete audio buffer before reply delivery.
</Note>
- Default model: `grok-stt`
- Endpoint: xAI REST `/v1/stt`
- Input path: multipart audio file upload
- Used wherever inbound audio transcription reads `tools.media.audio`,
including Discord voice-channel segments and channel audio attachments
To force xAI for inbound audio transcription:
```json5
{
tools: {
media: {
audio: {
models: [
{
type: "provider",
provider: "xai",
model: "grok-stt",
},
],
},
},
},
}
```
Language can be supplied through the shared audio media config or per-call
transcription request. Prompt hints are accepted by the shared OpenClaw
surface, but the xAI REST STT integration forwards only file, model, and
language because those map cleanly to the current public xAI
endpoint.
- Endpoint: xAI WebSocket `wss://api.x.ai/v1/stt`
- Default encoding: `mulaw`
- Default sample rate: `8000`
- Default endpointing: `800ms`
- Interim transcripts: enabled by default
Voice Call's Twilio media stream sends G.711 mu-law audio frames, so the
xAI provider forwards those frames directly without transcoding:
```json5
{
plugins: {
entries: {
"voice-call": {
config: {
streaming: {
enabled: true,
provider: "xai",
providers: {
xai: {
apiKey: "${XAI_API_KEY}",
endpointingMs: 800,
language: "en",
},
},
},
},
},
},
},
}
```
Provider-owned config lives under
`plugins.entries.voice-call.config.streaming.providers.xai`. Supported
keys are `apiKey`, `baseUrl`, `sampleRate`, `encoding` (`pcm`, `mulaw`, or
`alaw`), `interimResults`, `endpointingMs`, and `language`.
<Note>
This streaming provider is for Voice Call's realtime transcription path.
Discord voice records short segments and uses the batch
`tools.media.audio` transcription path instead.
</Note>
Config path: `plugins.entries.xai.config.xSearch`
| Key | Type | Default | Description |
| ----------------- | ------- | ------------------------------ | ------------------------------------- |
| `enabled` | boolean | `true` (if key available) | Enable or disable x_search |
| `model` | string | `grok-4-1-fast-non-reasoning` | Model used for x_search requests |
| `baseUrl` | string | - | xAI Responses base URL override |
| `inlineCitations` | boolean | - | Include inline citations in results |
| `maxTurns` | number | - | Maximum conversation turns |
| `timeoutSeconds` | number | `30` | Request timeout in seconds |
| `cacheTtlMinutes` | number | `15` | Cache time-to-live in minutes |
```json5
{
plugins: {
entries: {
xai: {
config: {
xSearch: {
enabled: true,
model: "grok-4-1-fast-non-reasoning",
baseUrl: "https://api.x.ai/v1",
inlineCitations: true,
},
},
},
},
},
}
```
Config path: `plugins.entries.xai.config.codeExecution`
| Key | Type | Default | Description |
| ---------------- | ------- | -------------------------- | ---------------------------------------- |
| `enabled` | boolean | `true` (if key available) | Enable or disable code execution |
| `model` | string | `grok-4-1-fast` | Model used for code execution requests |
| `maxTurns` | number | - | Maximum conversation turns |
| `timeoutSeconds` | number | `30` | Request timeout in seconds |
<Note>
This is remote xAI sandbox execution, not local [`exec`](/tools/exec).
</Note>
```json5
{
plugins: {
entries: {
xai: {
config: {
codeExecution: {
enabled: true,
model: "grok-4-1-fast",
},
},
},
},
},
}
```
The xAI media paths are covered by unit tests and opt-in live suites. Export
XAI_API_KEY in the process environment before running live probes.
pnpm test extensions/xai
OPENCLAW_LIVE_TEST=1 OPENCLAW_LIVE_TEST_QUIET=1 pnpm test:live -- extensions/xai/xai.live.test.ts
OPENCLAW_LIVE_TEST=1 OPENCLAW_LIVE_TEST_QUIET=1 OPENCLAW_LIVE_IMAGE_GENERATION_PROVIDERS=xai pnpm test:live -- test/image-generation.runtime.live.test.ts
The provider-specific live file synthesizes normal TTS, telephony-friendly PCM TTS, transcribes audio through xAI batch STT, streams the same PCM through xAI realtime STT, generates text-to-image output, and edits a reference image. The shared image live file verifies the same xAI provider through OpenClaw's runtime selection, fallback, normalization, and media attachment path.