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xAI Docs

xAI · Docs

xAI Docs

July 13, 2026 at 6:17 PM UTC

*Documentation update reflecting a return to a previously published content state (rollback/reappear). No pages added or removed (143 total). Changes below are limited to what appears in the docs diff.*

Changelog

xAI Docs Release Notes

Documentation update reflecting a return to a previously published content state (rollback/reappear). No pages added or removed (143 total). Changes below are limited to what appears in the docs diff.

Pricing & Models

  • Models and Pricing pages: Removed static pricing sections and tables for Chat API, Code API, Imagine, and Voice (including listed rates for models such as grok-4.x, grok-build-0.1, grok-imagine-image/video, and voice modes).
  • Replaced those sections with a note that model pricing is loaded dynamically.
  • Cross-reference from Pricing to the Models page for per-model details remains.

REST API Reference (Chat / Inference)

  • Response schema docs: Removed the image_generation_calls usage field (integer, number of image generation calls) from documented usage metrics.
  • Minor documentation updates to union/array type annotations for output and tools fields (fewer listed object variants in the type signatures). Supporting text for tools (functions and web search; max 128) is unchanged in substance.
Older release← Jul 12, 08:17 UTCNewer release→ Jul 13, 20:17 UTC
All xAI Docs releases →