OpenAI will merge ChatGPT and Codex usage into one shared allowance in December
Starting in December 2026, ChatGPT and Codex usage on Plus, Pro, and Business plans will draw from one token-based allowance, while instant chat will not use that pool.
AT A GLANCE
Key points
- Plus, Pro, and Business plans move to a shared ChatGPT and Codex allowance in December 2026.
- Usage will be measured in tokens and will vary by model and task complexity.
- Instant chat will not draw from the shared allowance.
What is changing?
OpenAI says Plus, Pro, and Business subscribers will move to a shared usage allowance across ChatGPT and Codex starting in December 2026. According to the company’s updated Help Center article, consumption will be measured in tokens, the units of information a model processes and generates. The selected model and task complexity will determine how much of the shared allowance is used, while instant chat will not draw from it.
Users will be able to monitor their combined remaining usage and reset times under Settings > Usage. After reaching the limit, they may wait for a reset, upgrade to an eligible plan, or purchase additional credits where supported. OpenAI says it is planning the transition so most users should not need to wait for resets more often than they do today, although actual consumption will vary by model and workload.
Explore the original sources
Source date: 2 November 2026.
Published by AI Radar: 2 Nov 2026, 10:10 (Istanbul, UTC+3). Updated: 2 Nov 2026, 10:16.
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