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OpenAI Docs

OpenAI · Docs

OpenAI Docs

July 28, 2026 at 2:27 AM UTC

New: API changelog — customer-visible changes to the OpenAI API and models.

Changelog

Documentation updates

API reference

  • New: API changelog — customer-visible changes to the OpenAI API and models.
  • New: Models — catalog of models available through the OpenAI API.
  • New: All models — browse the complete model catalog.
  • New: Compare models — compare capabilities, context windows, and pricing.

Removed docs

  • Removed: UI Kit Demo page.
Older release← Jul 27, 18:27 UTC
All OpenAI Docs releases →