Grok 4.20 Non-Reasoning
Grok 4.20 Non-Reasoning is xAI's non-reasoning model in the Grok 4.20 beta generation, optimized for speed and direct responses with low hallucination rates and strict prompt adherence.
Tool UseImplicit CachingVision (Image)File InputWeb Search
index.ts
import { streamText } from 'ai'
const result = streamText({ model: 'xai/grok-4.20-non-reasoning', prompt: 'Why is the sky blue?'})More models by xAI
| Model |
|---|
| 256K | 0.2s | 132tps | $1.00/M | $2.00/M | Read: $0.2/M Write: — | $5/K + input costs | — |  | 05/20/2026 | ||||
| 1M | 0.7s | 181tps | $1.25/M | $2.50/M | Read: $0.2/M Write: — | $5/K + input costs | — | | 04/30/2026 | ||||
| 2M | 0.4s | 132tps | $1.25/M | $2.50/M | Read: $0.2/M Write: — | $5/K + input costs | — |  | 03/09/2026 | ||||
| 2M | 1.9s | 1489tps | $1.25/M | $2.50/M | Read: $0.2/M Write: — | $5/K + input costs | — | | 03/09/2026 | ||||
| 1M | 4.0s | 205tps | $0.20/M | $0.50/M | Read:$0.05/M Write:— | — | — | | 07/09/2025 | ||||
| 1M | 0.4s | 94tps | $0.20/M | $0.50/M | Read:$0.05/M Write:— | — | — | | 07/09/2025 |