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Key Takeaways
- ChatGPT and Codex allowances for Plus, Pro, and Business are planned to be shared starting in December 2026; only the month has been announced.
- Usage is measured in tokens and depends on the selected model and task complexity; Instant chat will not draw from this usage.
- Settings > Usage is planned to show combined remaining usage and reset times. At the limit, users can wait, upgrade, or buy credits for eligible features. OpenAI expects most users will not need to wait for resets more often than they do now, but that is not an individual guarantee.
When the planned change starts
OpenAI says usage allowances for Plus, Pro, and Business will be shared across ChatGPT and Codex starting in December 2026, as Work's agentic capabilities move into the main ChatGPT experience. The announcement gives a month, not a specific date. As of November 1, 2026, this is still a future plan; do not describe the combined allowance as active today.
The notice names those three plans but does not explain how Free, Edu, or Enterprise will be handled. It also does not establish that a particular account has received the change. Avoid inferring other plans' limits, measurement rules, or rollout dates from this announcement.
How shared usage is measured
ChatGPT and Codex usage is measured in tokens, the units of information a model processes and generates. Consumption depends on the selected model and the task. More advanced models and more complex tasks generally use more of the allowance, so request counts alone are not a reliable way to compare usage.
Instant chat will not draw from this usage. The announcement gives no numerical allowance, model-specific conversion weight, or formula for translating a balance into a fixed number of prompts or work hours. Do not estimate those figures from assumptions.
Where to check usage and what happens at the limit
OpenAI plans to show combined remaining usage and reset times in Settings > Usage. The announcement does not specify a reset frequency or fixed schedule, so use the values displayed for your account rather than estimating them from another user's screenshot.
If you reach the limit, the stated options are to wait for the allowance to reset, upgrade your plan, or buy credits to continue using eligible features. The notice does not list every eligible feature; buying credits should not be treated as a promise that every model or capability will remain available. OpenAI expects most users will not need to wait for resets more often than they do now; this is an expectation, not a guarantee for each account.
How to compare the current and planned views
Until the combined balance appears in an account, use that account's current plan information and usage display for present-day decisions. Once the update is available, record the remaining usage and reset time from Settings > Usage for the same account and workspace. Keep the model and task type comparable when reviewing later readings, since those affect consumption.
The notice gives no exact December launch date, numerical budgets, model weights, rollout sequence, or regional schedule, and it does not promise that every account will change at once. Once the update appears, compare Settings > Usage only for the same account, workspace, model, and task.
Sources
Frequently Asked Questions
Are ChatGPT and Codex already drawing from one allowance?
The announcement says sharing is planned to start in December 2026 but gives no exact date. As of November 1, treat it as a future change. Check the product's actual display for when it reaches an individual account.
Will buying credits let me continue using every feature at the limit?
The notice only says credits can continue usage for eligible features. It does not list the full eligibility scope or publish numerical allowances, model weights, or a reset schedule.