AI models / xAI
Grok Build 0.1
xAI's coding model for agentic software engineering and workflow tasks.
Specs and pricing
| Provider | xAI |
|---|---|
| API model ID | grok-build-0.1 |
| API price (standard) | $1.00 in / $2.00 out per 1M tokens |
| Pricing note | Prompts under 200K tokens; $2.00 in / $4.00 out at 200K+. Batch API not supported. |
| Context window | 256K tokens |
| Max output | Not stated on the page we checked |
| Weights | Closed (API only) |
| Cached input | $0.20 / 1M |
| Aliases | grok-code-fast-1, grok-code-fast |
Sources: xAI models, xAI API pricing (checked 2026-10-16). Prices change often, so confirm on the provider's page before you commit.
Official page