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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?'
})

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Provider
Context
Latency
Throughput
Input
Output
Cache
Web Search
Per Query
Capabilities
ZDR
No Training
Release Date
xAI
Legal:Terms
Privacy
2M
0.6s
50tps
$1.25/M
$2.50/M
Read:
$0.2/M
Write:
$5/K
+ input costs
03/09/2026
Google Vertex AI
Legal:Terms
Privacy
2M
0.6s
27tps
$2.00/M$6.00/M
Read:$0.2/M
Write:
03/09/2026