Grok 4.20 Beta Non-Reasoning
Grok 4.20 Beta 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-beta', prompt: 'Why is the sky blue?'})More models by xAI
| Model |
|---|
| 1M | 0.9s | 139tps | $1.25/M | $2.50/M | Read: $0.2/M Write: — | $5/K + input costs | — | +4 |   | 04/30/2026 | |||
| 2M | 0.3s | 173tps | $1.25/M | $2.50/M | Read: $0.2/M Write: — | $5/K + input costs | — | +3 | | 03/10/2026 | |||
| 2M | 1.5s | 872tps | $1.25/M | $2.50/M | Read: $0.2/M Write: — | $5/K + input costs | — | +4 | | 03/10/2026 | |||
| 2M | 0.4s | 285tps | $1.25/M | $2.50/M | Read: $0.2/M Write: — | $5/K + input costs | — | +4 | | 03/10/2026 | |||
| 1M | 1.4s | 102tps | $0.20/M | $0.50/M | Read:$0.05/M Write:— | — | — | +2 | | 11/19/2025 | |||
| 1M | 1.7s | 178tps | $0.20/M | $0.50/M | Read:$0.05/M Write:— | — | — | +3 | | 11/19/2025 |