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Grok 3 Beta

Grok 3 Beta is xAI's full-scale Grok 3 reasoning model. Trained on the Colossus supercomputer, it targets math, science, and coding benchmarks with a context window of 131.1K tokens.

Tool Use
index.ts
import { streamText } from 'ai'


const result = streamText({
  model: 'xai/grok-3',
  prompt: 'Why is the sky blue?'
})
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Playground

Try out Grok 3 Beta 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.