---
title: Grok Voice
description: xAI's real-time voice conversation model with low-latency audio input and output streaming.
image: https://developers.cloudflare.com/dev-products-preview.png
---

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#  Grok Voice 

websocket • xAI 

`xai/grok-voice` 

xAI's real-time voice conversation model with low-latency audio input and output streaming.

| Model Info        |                                                                                                                  |
| ----------------- | ---------------------------------------------------------------------------------------------------------------- |
| Terms and License | [link ↗](https://x.ai/legal/terms-of-service)                                                                    |
| More information  | [link ↗](https://docs.x.ai/developers/rest-api-reference/inference/voice)                                        |
| Pricing           | [View pricing in the Cloudflare dashboard ↗](https://dash.cloudflare.com/?to=/:account/ai/models/xai/grok-voice) |

## Usage

* [ TypeScript ](#tab-panel-2150)
* [ cURL ](#tab-panel-2151)

TypeScript

```
// Establish WebSocket connectionconst response = await fetch(  `https://api.cloudflare.com/client/v4/accounts/$CLOUDFLARE_ACCOUNT_ID/ai/run?model=xai/grok-voice`,  {    method: 'GET',    headers: {      'Authorization': `Bearer $CLOUDFLARE_API_TOKEN`,      'Upgrade': 'websocket'    }  })
const ws = response.webSocketws.accept()
// Send audio chunksws.send(JSON.stringify({  type: 'input_audio_buffer.append',  audio: audioBase64}))
// Receive transcriptions and audio responsesws.addEventListener('message', (event) => {  const data = JSON.parse(event.data)  console.log(data)})
```

Terminal window

```
# Note: WebSocket connections require a WebSocket client# curl does not support WebSocket upgrade# Use wscat, websocat, or a programming language WebSocket library
wscat -c 'wss://api.cloudflare.com/client/v4/accounts/$CLOUDFLARE_ACCOUNT_ID/ai/run?model=xai/grok-voice' \  -H 'Authorization: Bearer $CLOUDFLARE_API_TOKEN'
```

```
{  "websocket": {    "url": "wss://api.x.ai/v1/realtime?model=grok-voice-latest",    "headers": {      "Authorization": "Bearer [ephemeral_token]"    }  },  "gatewayMetadata": {    "keySource": "Unified"  }}
```

## Parameters

* [ Input ](#tab-panel-2152)
* [ Output ](#tab-panel-2153)

websocket

`boolean`Enable real-time WebSocket connection for voice conversations. When true, establishes a bidirectional WebSocket for speech-to-speech interaction with Grok voice models.

url

`string`WebSocket URL for the realtime connection (e.g., wss://...)

▶headers{}

`object`Optional headers to include when establishing the WebSocket connection (e.g., Authorization)

## API Schemas (Raw)

Input [ ](https://developers.cloudflare.com/ai/models/xai/grok-voice/schema-input.json "Open") [ ](https://developers.cloudflare.com/ai/models/xai/grok-voice/schema-input.json "Download") 

Output [ ](https://developers.cloudflare.com/ai/models/xai/grok-voice/schema-output.json "Open") [ ](https://developers.cloudflare.com/ai/models/xai/grok-voice/schema-output.json "Download")

```json
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```