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Grok Code Fast 1

Grok Code Fast 1 is xAI's specialized coding model optimized for fast code generation, completion, and debugging. It delivers low-latency code output within a context window of 256K tokens, tuned specifically for software development workflows.

ReasoningTool UseImplicit Caching
index.ts
import { streamText } from 'ai'


const result = streamText({
  model: 'xai/grok-code-fast-1',
  prompt: 'Why is the sky blue?'
})
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Providers

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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
90tps
$0.20/M$1.50/M
Read:$0.02/M
Write:—
——
08/28/2025