Home / Vercel AI Gateway / Text Generation

Free Grok 4.20 on Vercel

Run Grok 4.20 free on Vercel — keyless, within the $5/month AI Gateway credit.

Updated 6/5/2026Provider trust 98/1002 code examples

About the Model

Grok 4.20

Grok 4.20 提供多种运行档位，适配不同的延迟与质量需求：

reasoning：开启扩展推理，攻坚复杂任务（xai/grok-4.20-0309-reasoning）。
non-reasoning：跳过思考链，极速响应（xai/grok-4.20-0309-non-reasoning）。
multi-agent：多智能体协同（xai/grok-4.20-multi-agent-0309）。

Vercel 每月 $5 免 Key 额度内免费；Cloudflare 免 Key 但付费（统一计费、原价透传）。

View all free providers for Grok 4.20

How to Access for Free (via Vercel AI Gateway)

免费依据：每月 $5 系统额度

Vercel 每月提供价值 $5 的系统层 AI 额度（含免费 Hobby 计划），当月未超即可 免 Key 调用。Vercel 上的 Grok 4.20 模型 id：xai/grok-4.20-reasoning。

Try it in your browser

Pick a model, paste your own free key, and run. Your key is sent once to call the provider and never stored on our servers.

Code Examples

javascript

import { streamText } from 'ai';
const { textStream } = streamText({
  model: 'xai/grok-4.20-reasoning',
  prompt: 'Plan a 3-step refactor.',
});
for await (const chunk of textStream) process.stdout.write(chunk);

curl

curl https://ai-gateway.vercel.sh/v1/chat/completions \
  -H "Authorization: Bearer $AI_GATEWAY_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{"model":"xai/grok-4.20-reasoning","messages":[{"role":"user","content":"Plan a 3-step refactor."}]}'