← ChatGPT & Codex changelog

OpenAI API — November, 2026

v2026-11-01-e566ea82 includes 1 new feature, 1 fix, 2 changes. Released GPT-Image-2.6 Sunburst and GPT-Image-2.6 Flare for image generation and editing, with adjustable complexity, SVG generation, and animated GIF generation. Added markup-guided editing for supported GPT Image 2.5 and 2.6 models.

Source: official ChatGPT & Codex release notes. Summaries are written from the official notes; see how we work.

Added

  • Released GPT-Image-2.6 Sunburst and GPT-Image-2.6 Flare for image generation and editing, with adjustable complexity, SVG generation, and animated GIF generation. Added markup-guided editing for supported GPT Image 2.5 and 2.6 models.

Changed

  • See the image generation guide.
  • Outbound SIP calling is now available to all organizations through the Live API. Connect GPT-Live to a phone number through your SIP provider. See the SIP guide.

Fixed

  • Use GPT-6-Cyber to investigate vulnerabilities, reproduce them in an authorized test environment, and verify fixes. See Daybreak setup before sending your first request.

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