Grok Voice Think Fast 1.0
Build real-time voice applications powered by Grok. Stream audio and text bidirectionally via WebSocket for voice assistants, phone agents, and interactive voice systems.
index.ts
import { gateway } from '@ai-sdk/gateway';
export async function POST() { const { token, url } = await gateway.experimental_realtime.getToken({ model: 'xai/grok-voice-think-fast-1.0', });
return Response.json({ token, url, tools: [] });}Playground
Try out Grok Voice Think Fast 1.0 by xAI. Usage is billed to your team at API rates. Free users (those who haven't made a payment) get $5 of credits every 30 days.
Grok Voice Think Fast 1.0Voice agent
Talk to a realtime agent. It listens to your voice and replies in text.
Start the session and ask the agent something.
Providers
Route requests across multiple providers. Copy a provider slug to set your preference. Visit the docs for more info. Using a provider means you agree to their terms, listed under Legal.
| Provider |
|---|
xAI | — | — | 04/23/2026 |
More models by xAI
| Model |
|---|
| 256K | 0.4s | 163tps | $1.00/M | $2.00/M | Read: $0.2/M Write: — | $5/K + input costs | — | +3 | | 05/20/2026 | |||
| 1M | 1.2s | 113tps | $1.25/M | $2.50/M | Read: $0.2/M Write: — | $5/K + input costs | — | +4 |  | 04/30/2026 | |||
| 2M | 0.4s | 175tps | $1.25/M | $2.50/M | Read: $0.2/M Write: — | $5/K + input costs | — | +3 | | 03/09/2026 | |||
| 2M | 0.4s | 197tps | $1.25/M | $2.50/M | Read: $0.2/M Write: — | $5/K + input costs | — | +4 | | 03/09/2026 | |||
| 1M | 0.3s | 152tps | $0.20/M | $0.50/M | Read:$0.05/M Write:— | — | — | +2 | | 07/09/2025 | |||
| 1M | 1.0s | 618tps | $0.20/M | $0.50/M | Read:$0.05/M Write:— | — | — | +3 | | 07/09/2025 |