Modelpeers

GPT-5-Codex, GPT-5.1-Codex, GPT-5.2-Codex

6 models from OpenAI

Retiring

Older Codex, chat-latest, search and deep research models scheduled for July 23 shutdown

OpenAI announced shutdown on July 23, 2026 of computer-use-preview, the GPT-4o search previews, gpt-5-chat-latest, gpt-5.1-chat-latest, gpt-5-codex, gpt-5.1-codex variants, gpt-5.2-codex, o3-deep-research, o4-mini-deep-research and some mini audio and realtime snapshots.

Who is affected:
Apps calling these models.
Action needed:
Migrate to gpt-5.6-sol or gpt-5.6-terra as listed.

Source

"On April 22, 2026, we announced the deprecation of the following older OpenAI models."

OpenAI API deprecations page

Published

Open the sourcedevelopers.openai.com

Modelpeers tracks changes to AI agents and models, each from its source. Follow GPT-5-Codex to get a weekly email when it changes.