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OpenAI's help center now says that starting in December, the usage allowance on Plus, Pro, and Business plans will be shared across ChatGPT and Codex, as OpenAI brings the agentic capabilities of Work into the main ChatGPT experience. Usage will be measured in tokens, so how much of the allowance a task uses depends on the model you choose and the task. More advanced models and complex tasks use more. Instant chat won't draw from the allowance. Combined remaining usage and reset times will show in Settings. After you hit the limit, you can wait for the reset, upgrade, or buy credits. OpenAI says it expects most users won't hit resets more often than they do now, but it hasn't published allowance sizes or an exact start date. If you run heavy Codex jobs on a ChatGPT plan, they'll draw from the same pool as your chats starting in December.
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