SpaceXAImodel
August 12, 2026·Source

Grok 4.6

SpaceXAI's frontier model, tuned for agents that run long multi-step jobs and for building interactive and visual work.

  • 500k context window, text and image inputs, text-only output, with reasoning effort set to low, medium, high, or xhigh
  • API pricing is $2 per million input tokens and $6 per million output tokens below 200k prompt tokens, and double that above it; cached input is $0.50
  • Available in Cursor, Grok Build, the SpaceXAI API, and through OpenRouter, Vercel, and Cloudflare
  • SpaceXAI reports it level with the current frontier models on a composite of nine public benchmarks
  • On longer runs it tests and verifies its own work before moving on, which SpaceXAI reports as new in this version

Best for

Long jobs that run across many steps without a person re-prompting at each one

When to use it

A task needs research, then structure, then a built artifact, and you want one model to carry it through

Who benefits

Anyone running agent workflows, or turning a brief into a working application

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