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ChatGPT Web

OpenAI · Web app

ChatGPT Web

September 23, 2026 at 2:53 AM UTC

GPT-6 Sol & Luna in Work and Codex — New models in ChatGPT Work and Codex (separate from Chat). Codex desktop keeps a manually selected model; availability and reasoning effort follow plan/workspace settings. Learn more.

Changelog

Changelog (20260923-005304Z → 20260923-025353Z)

Official release notes

  • GPT-6 Sol & Luna in Work and Codex — New models in ChatGPT Work and Codex (separate from Chat). Codex desktop keeps a manually selected model; availability and reasoning effort follow plan/workspace settings. Learn more.
  • Flashcards — Create interactive flashcards from a topic or uploaded notes; flip, mark known/unknown, shuffle; auto-saved to library. Live on mobile and web for all plans.

Privacy / settings

  • settingsDialog.privacy.noAuthTrainingEnabled: false → true (no-auth training control surfaced as on).

Home / growth

  • Recurring login banner: showSignupCta=true removed; initialShowSignupCta=false added (signup CTA default off on first show).
Older release← Sep 23, 00:53 UTCNewer release→ Sep 23, 18:55 UTC
All ChatGPT Web releases →