- OpenAI plans to share usage allowances between Codex and ChatGPT on Plus, Pro and Business plans.
- Usage will be measured in tokens, with consumption depending on the model and task complexity.
- Users will be able to check combined remaining usage and reset times in ChatGPT Settings.
OpenAI is changing how usage limits work across ChatGPT and Codex. Under the planned update, subscribers on Plus, Pro and Business plans will share their usage allowance between the two services. This means Codex activity will become part of the same usage calculation as the covered ChatGPT features.
The change is part of OpenAI’s plan to bring more agent-based capabilities into the main ChatGPT experience. Instead of measuring usage only by the number of messages or tasks, the company says it will use tokens. The actual amount consumed will depend on the model and the work being carried out.
How Codex and ChatGPT Usage Will Be Shared
Under the planned system, ChatGPT and Codex will draw from a shared usage allowance on Plus, Pro and Business plans. This means using Codex can affect how much of the shared allowance remains available for the covered ChatGPT features.
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For example, a user who spends a large part of the allowance on coding work may have less shared usage available for other tasks covered by the same limit. The allowance will not be treated as two completely separate pools for ChatGPT and Codex.
There is one important distinction. OpenAI says Instant chat will not draw from this usage. The planned sharing therefore does not mean every ChatGPT message will reduce the same allowance used by Codex.
What Each ChatGPT Plan Gets for Codex
OpenAI’s help article identifies Plus, Pro and Business as the plans whose usage allowance is moving to a shared system. However, it does not give a separate Codex task count, token allowance or numerical limit for each plan.
| Feature | Description |
|---|---|
| Free | The article does not state a Free plan Codex allowance or explain whether it will use the shared system. |
| Plus | Usage allowance is included in the planned shared system with ChatGPT. |
| Pro | Usage allowance is included in the planned shared system with ChatGPT. |
| Business | Usage allowance is included in the planned shared system with ChatGPT. |
| Enterprise | The article does not specify an Enterprise Codex allowance or its sharing arrangement. |
This distinction matters because users should not assume that all five plans receive the same allowance. The help article does not publish plan-wise figures or confirm a fixed number of Codex tasks for any of these subscriptions.
Why Codex Usage Depends on the Task
OpenAI says the new usage calculation will be based on tokens. Tokens are small units of information that a model processes and generates. The number of tokens used can change depending on the model and the work requested.
A simple coding request and a complex development task are unlikely to use the same amount of allowance. More advanced models and more complicated tasks generally consume more usage. This means two users on the same plan may use their allowances at different rates.
It also means a fixed message count would not give a complete picture of how much work a user can complete. The amount of coding work available will depend on the model and the task, rather than a guaranteed number of prompts.
Local Tasks and Cloud Tasks
Codex can be used for coding work in different environments, including local and cloud-based workflows. However, OpenAI’s help article does not explain whether local tasks and cloud tasks consume different amounts of the shared allowance.
It also does not publish separate local-task and cloud-task limits, or a fixed number of cloud tasks available on each ChatGPT plan. Users should therefore avoid treating local and cloud usage as separate allowances unless OpenAI confirms that arrangement for their account.
The article’s stated rule is broader: usage depends on the selected model and the task. It does not provide a calculation that users can apply to estimate the cost of a particular local or cloud task.
Five-Hour and Weekly Usage Limits
Some users may expect Codex to have a fixed five-hour limit and a separate weekly allowance. However, OpenAI’s help article does not confirm those windows or give their reset schedules. It also does not state how many tokens or tasks users can complete within either period.
Instead, OpenAI says users will be able to view their combined remaining usage and reset times under Settings in ChatGPT. This will be the place to check the limits that apply to an account rather than relying on a general task-count estimate.
The company also says it expects most users will not need to wait for their usage to reset more often than they do now. This is an expectation about the transition, not a guarantee that every account will have the same reset schedule.
What Happens When the Usage Limit Is Reached?
OpenAI lists three options for users who reach their available usage limit. They can wait for the allowance to reset, upgrade their plan or buy credits to continue using eligible features.
The options available may depend on the account and the features involved. The help article does not provide a universal credit price or confirm that buying credits will be available to every user.
Users should check the usage information shown in their own ChatGPT account before deciding what to do. This will help them see how much combined usage remains and when the next reset is expected.
What Codex Users Should Expect
The main change is that Codex and covered ChatGPT usage will no longer be treated as completely separate allowances for Plus, Pro and Business subscribers once the planned update begins. Users who regularly switch between coding and other supported tasks should keep this shared usage in mind.
It is also worth checking the usage meter before starting a large coding task. Since advanced models and complex work can consume more tokens, the same subscription may support different amounts of work depending on how it is used.
OpenAI says the shared usage and reset information will be available in Settings → Usage. Until the company publishes more plan-specific details, users should rely on the allowance and reset information displayed in their own accounts instead of assuming a fixed number of Codex tasks.
Conclusion
OpenAI plans to bring Codex and covered ChatGPT usage under a shared allowance for Plus, Pro and Business plans. Usage will be measured in tokens and will depend on the model and task. OpenAI’s help article does not give fixed plan-wise limits or separate local and cloud task allowances. Users can check their combined remaining usage and reset times in ChatGPT Settings.
Frequently Asked Questions
Will Codex usage count towards ChatGPT limits?
OpenAI plans to share usage allowances between Codex and covered ChatGPT features on Plus, Pro and Business plans. Instant chat will not draw from this usage.
Do Free and Enterprise users get the same Codex limits?
OpenAI’s help article does not give the Codex allowance or sharing arrangement for Free and Enterprise plans. It should not be assumed that their limits are the same as Plus, Pro or Business.
Does Codex have separate local and cloud task limits?
The article does not publish separate local or cloud task limits. It also does not explain whether these two types of tasks use different amounts of the shared allowance.
Are Codex limits based on a fixed number of messages?
No fixed message count is given in the article. OpenAI says usage will be measured in tokens, and consumption will depend on the selected model and task.
Where can users check Codex usage and reset times?
Users will be able to check their combined remaining usage and reset times under Settings → Usage in ChatGPT.
What can users do after reaching a Codex usage limit?
OpenAI lists waiting for the allowance to reset, upgrading the plan or buying credits to continue using eligible features.
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