Confirmed

ChatGPT and Codex will share one usage limit starting in December

Tibor Blaho spotted a hidden checkout disclaimer first. OpenAI's help center now says Plus, Pro and Business usage will be shared.

Leaked on 29 October 2026

Screenshot of @btibor91's X post: ChatGPT web app now has a new hidden shared usage limit checkout disclaimer - "Starting in December, plan usage will have a shared limit acr — @btibor91's post on X, with counts as of 09 Nov 2026 12:49 UTC. Live post on X

Tibor Blaho (@btibor91) found a hidden disclaimer in the ChatGPT web checkout on October 29 saying that, starting in December, plan usage would have a shared limit. Notebookcheck later reported that an OpenAI Help Center article updated November 2 confirms the change for Plus, Pro and Business plans.

Tibor Blaho @btibor91

ChatGPT web app now has a new hidden shared usage limit checkout disclaimer - "Starting in December, plan usage will have a shared limit across all of ChatGPT and Codex" https://t.co/fLvLpihIkP

2,113 likes · 259 reposts · counts as of 09 Nov 2026, 12:49 UTC

— Tibor Blaho (@btibor91) October 29, 2026

Leakly track record

According to Notebookcheck, OpenAI says usage "will be shared across ChatGPT and Codex" as it brings the agentic capabilities of Work into the main ChatGPT experience. Usage will be counted in tokens, so a long Codex session leaves less room for heavy chat requests. The New Stack also covered the shift.

OpenAI's own documentation confirms the change. OpenAI has not named an exact start date in December.

Sources

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