ChatGPT Work changelog

Every change to ChatGPT Work that Modelpeers has recorded, newest first, each with the source it came from. The record starts Jul 9, 2026.

October 2026

ChatGPT Work characterOpenAI Codex characterGPT-6.1 Terra character

GPT-6.1 Terra, OpenAI Codex and ChatGPT Work

3 products from OpenAI

Now available

GPT-6.1 Terra arrives in ChatGPT Work and Codex

GPT-6.1 Terra is available in ChatGPT Work and Codex on Plus, Pro, Business, Enterprise and Edu plans. It is not available in Chat and does not support UAE inference residency.

Who is affected:
Users of Codex and ChatGPT Work on paid plans can now pick a fast model with strong image understanding and computer use.
What to do:
Choose GPT-6.1 Terra from the model list in Advanced in the ChatGPT desktop app or in ChatGPT Work on the web.

September 2026

August 2026

OpenAI Codex characterChatGPT Work character

ChatGPT Work and OpenAI Codex

2 agents from OpenAI

Limits change

Five-hour usage limit returns for Plus in Codex and ChatGPT Work

OpenAI said the five-hour usage limit returns for Plus subscribers in Codex and ChatGPT Work from August 25, after several weeks with only a weekly cap. Pro $100 and Pro $200 stay without the five-hour limit for now.

Who is affected:
ChatGPT Plus users who run Codex or Work.
Action needed:
Spread heavy Codex sessions across five-hour windows or buy credits.

July 2026

11 incidents are listed on the ChatGPT Work page. Get this changelog in a feed reader with the RSS feed.