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xAI OpenAPI

xAI · Spec

xAI OpenAPI

September 19, 2026 at 7:22 AM UTC

Based on openapi.json.

Changelog

API release notes

Based on openapi.json.

Models

  • New schema: ModelCapabilities
  • Model and LanguageModel responses now include a capabilities field (typed as ModelCapabilities)

No endpoints were added, removed, or modified. No breaking changes (no removals or newly required fields).

Older release← Sep 18, 07:22 UTCNewer release→ Sep 20, 04:22 UTC
All xAI OpenAPI releases →