Grok Build 0.1
Grok Build 0.1 is SpaceXAI’s fast coding model trained specifically for agentic software engineering workflows.
Model by xAI
Install
Pick your client. Read the repository before you give any tool access to your data.
{
"model": "x-ai/grok-build-0.1",
"baseURL": "https://openrouter.ai/api/v1"
}OpenAI-compatible API: point any OpenAI SDK at the base URL and use this model id.
Settings it needs
OPENROUTER_API_KEYrequiredsecret
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About
Use cases: code-generation
Reviews
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Price and limits
| Variant | Input $/M tokens | Output $/M tokens | Cached input $/M |
|---|---|---|---|
| Standard | $1 | $2 | $0.2 |
Price as of Oct 26, 2026 from OpenRouter · provider's own prices: docs.x.ai. Prices change often; check before you rely on one.
- Provider
- xAI
- Model id
x-ai/grok-build-0.1- Context window
- 256,000 tokens (256K)
- Max output
- 230,400 tokens
- Input
- text, image, file
- Output
- text
- Tool calling
- Yes
- Structured outputs
- Yes
- Reasoning
- Yes
- Weights
- Closed
- Released
- May 20, 2026
Details
- Auth
- API key
- License
- Proprietary
- Website
- x.ai
- First seen
- Oct 24, 2026
- Last checked
- Oct 26, 2026
- Source
- OpenRouter
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- 0.592score
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Cite this page
Grok Build 0.1: price, context window, tool use. Agent Mart. https://agentmart.dev/models/x-ai-grok-build-0-1 (last updated 2026-10-26)