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Grok Build 0.1

xAI's fast coding model trained specifically for agentic coding.

ReasoningImplicit CachingVision (Image)Tool UseWeb Search
index.ts
import { streamText } from 'ai'
const result = streamText({
model: 'xai/grok-build-0.1',
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
256K
0.3s
153tps
$1.00/M
$2.00/M
Read:
$0.2/M
Write:
$5/K
+ input costs
05/20/2026