Breaking model

14 OpenAI models shut down July 23, 2026, including gpt-5-chat-latest and the gpt-5, gpt-5.1 and gpt-5.2 codex models

Took effect Jul 23, 2026 · gpt-5-chat-latest, gpt-5.1-chat-latest, gpt-5 / gpt-5.1 / gpt-5.2 codex models, gpt-4o(-mini)-search-preview, computer-use-preview, o3/o4-mini deep-research, gpt-audio-mini and gpt-realtime-mini 2025-10-06 snapshots

Reviewed against the vendor source on Sep 24, 2026 (AI-assisted review). Key facts are re-checked against the source daily.

What changes

Announced April 22, 2026. Shut down July 23, 2026 — computer-use-preview(-2025-03-11), gpt-4o-search-preview-2025-03-11, gpt-4o-mini-search-preview-2025-03-11, gpt-5-chat-latest, gpt-5.1-chat-latest, gpt-5-codex, gpt-5.1-codex, gpt-5.1-codex-max, gpt-5.1-codex-mini, gpt-5.2-codex, gpt-audio-mini-2025-10-06, gpt-realtime-mini-2025-10-06, o3-deep-research(-2025-06-26), o4-mini-deep-research(-2025-06-26). Substitutes are mostly gpt-5.6-sol or gpt-5.6-terra; audio and realtime move to gpt-audio-1.5 and gpt-realtime-2.1-mini.

Breaking: Calls fail after this date.

What to do

Switch to the substitute listed per model; coding-agent configs that pinned a codex model are the most likely place these hide.

Strings to search for

gpt-5-chat-latestgpt-5.1-chat-latestgpt-5-codexgpt-5.1-codexgpt-5.2-codexcomputer-use-previewgpt-4o-search-preview-2025-03-11gpt-4o-mini-search-preview-2025-03-11o3-deep-researcho4-mini-deep-researchgpt-audio-mini-2025-10-06gpt-realtime-mini-2025-10-06

Not affected (matches inside these are ignored): gpt-5-codex-mini

Source

https://developers.openai.com/api/docs/deprecations