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Grok 4.20 Beta Non-Reasoning

xai/grok-4.20-non-reasoning-beta

Grok 4.20 Beta is the newest flagship model from xAI with industry-leading speed and agentic tool calling capabilities. It combines the lowest hallucination rate on the market with strict prompt adherance, delivering consistently precise and truthful responses.

Tool UseImplicit CachingVision (Image)File Input
index.ts
import { streamText } from 'ai'


const result = streamText({
  model: 'xai/grok-4.20-non-reasoning-beta',
  prompt: 'Why is the sky blue?'
})