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SpaceXAI · Language model

Grok Build 0.1

x-ai/grok-build-0.1
  • Language
Released May 20, 2026

Grok Build 0.1 is SpaceXAI’s fast coding model trained specifically for agentic software engineering workflows. It supports text and image inputs with text output, and is optimized for interactive coding...

Specifications

Context window
256,000 tokens
Max output
230,400 tokens
Input
text, image, file
Output
text
Reasoning
always on
Tokenizer
Grok

Supported parameters

Accepted by the model and forwarded as-is by the gateway.

  • logprobs
  • max_tokens
  • reasoning
  • response_format
  • seed
  • structured_outputs
  • temperature
  • tool_choice
  • tools
  • top_logprobs
  • top_p

Use it

POST /api/v1/chat/completions · MCP chat · full reference

curl https://omnirail.org/api/v1/chat/completions \
  -H "Authorization: Bearer $OMNIRAIL_KEY" -H "Content-Type: application/json" \
  -d '{"model":"x-ai/grok-build-0.1","messages":[{"role":"user","content":"Hello"}],"max_tokens":300}'