Agent may make mistakes. Verify all outputs.
xAI's fast coding model trained specifically for agentic coding.
import { streamText } from 'ai'
const result = streamText({ model: 'xai/grok-build-0.1', prompt: 'Why is the sky blue?'})Try out Grok Build 0.1 by xAI. Usage is billed to your team at API rates. Free users (those who haven't made a payment) get $5 of credits every 30 days.
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| Model |
|---|
$0.01/img | — | — |  | 05/30/2026 | |||||||||
| 1M | 1.1s | 726tps | $1.25/M | $2.50/M | Read: $0.2/M Write: — | $5/K + input costs | — | +4 |  | 04/30/2026 | |||
| 2M | 2.0s | 1088tps | $1.25/M | $2.50/M | Read: $0.2/M Write: — | $5/K + input costs | — | +4 | | 03/11/2026 | |||
| 2M | 0.5s | 110tps | $1.25/M | $2.50/M | Read: $0.2/M Write: — | $5/K + input costs | — | +3 | | 03/11/2026 | |||
| 2M | 0.5s | 216tps | $1.25/M | $2.50/M | Read: $0.2/M Write: — | $5/K + input costs | — | +4 | | 03/11/2026 | |||
| 2M | 1.9s | 2026tps | $1.25/M | $2.50/M | Read: $0.2/M Write: — | $5/K + input costs | — | +4 | | 03/09/2026 | |||
| 2M | 0.4s | 121tps | $1.25/M | $2.50/M | Read: $0.2/M Write: — | $5/K + input costs | — | +3 | | 03/09/2026 | |||
| 2M | 0.5s | 166tps | $1.25/M | $2.50/M | Read: $0.2/M Write: — | $5/K + input costs | — | +4 | | 03/09/2026 | |||
| — | — | | 01/28/2026 | ||||||||||
$0.00/img$0.01/sec | — | — | | 01/28/2026 | |||||||||
| 1M | 0.3s | 32tps | $0.20/M | $0.50/M | Read:$0.05/M Write:— | — | — | +2 | | 07/09/2025 | |||
| 1M | 4.7s | 271tps | $0.20/M | $0.50/M | Read:$0.05/M Write:— | — | — | +3 | | 07/09/2025 |