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ChatGPT Web

OpenAI · Web app

ChatGPT Web

August 21, 2026 at 7:16 PM UTC

Dropped model id gpt-5-2-thinking from the product catalog.

Changelog

Changelog (20260821-171329Z → 20260821-191627Z)

Models & workspace access

  • Dropped model id gpt-5-2-thinking from the product catalog.
  • Workspace permissions: added gpt-5.6-luna and gpt-5.6-terra model access; removed Aura / Aura browser-memories feature access.

Nav & Atlas surface

  • Cleared a cluster of nav experiment flags (max_navlinks, navlinks_count, navlinks_layout, navlinks_target, newsTabEnabled).
  • Atlas thrash: app routes :lang?/atlas and :lang?/atlas/get-started removed; marketing sitemap lists /atlas and /atlas/get-started; robots.txt no longer explicitly Allows /atlas. Not treating as a launch.

Routes

  • Added parameterized segments :detailId, :section.
  • Removed archived route.

Other readable flags

  • Added: recommendation_source
  • Removed (fetch/cache/UI knobs): gcTimeMs, staleTimeMs, optimistic_fetch, retry, numWords, on-side-chat-ready, safe-search-default

Statsig (opaque)

  • Gates −6 net (+1 / −7), dynamic configs −3, layers −1 net (+1 / −2).
Older release← Aug 21, 17:13 UTCNewer release→ Aug 21, 21:14 UTC
All ChatGPT Web releases →