Home / Cloudflare Workers AI / Speech to Text

Free Grok STT on Cloudflare

Grok speech-to-text free on Cloudflare — accurate transcription within the daily allowance, no extra key.

About the Model

Grok STT（语音转文字）

xAI 的语音识别模型，经 Cloudflare 平台直接计费、免额外 Key，落在每日免费额度内即可免费转写。模型 id：xai/grok-stt。

View all free providers for Grok STT

How to Access for Free (via Cloudflare Workers AI)

免费依据：Cloudflare 平台计费 + 每日免费额度

语音转文字由 Cloudflare 账户直接计费、免任何额外 Key，落在每日免费额度内即可免费转写。模型 id：xai/grok-stt。

Code Examples

curl

curl https://api.cloudflare.com/client/v4/accounts/$CF_ACCOUNT_ID/ai/run/xai/grok-stt \
  -H "Authorization: Bearer $CF_API_TOKEN" \
  -H "Content-Type: application/octet-stream" \
  --data-binary @audio.mp3

javascript

const audio = await (await fetch('https://example.com/audio.mp3')).arrayBuffer();
const res = await env.AI.run('xai/grok-stt', { audio: [...new Uint8Array(audio)] });