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Grok STT

Grok STT is xAI's speech-to-text model. It transcribes recorded audio into text across 25 languages, available through Vercel AI Gateway with the AI SDK.

index.ts
import { experimental_transcribe as transcribe } from 'ai';
import { gateway } from '@ai-sdk/gateway';
import { readFile } from 'node:fs/promises';
const result = await transcribe({
model: gateway.transcriptionModel('xai/grok-stt'),
audio: await readFile('audio.mp3'),
});

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
Input
Capabilities
ZDR
No Training
Release Date
xAI
Legal:Terms
Privacy
$0.10/hr
03/16/2026