OpenAI Shared Token Meter: ChatGPT and Codex Shift
From December, ChatGPT and Codex will share one token meter on Plus, Pro and Business plans, while instant chat stays unlimited.
Nov 4, 2026 (Updated Nov 4, 2026) - Written by Christian Tico
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OpenAI’s Shared Token Meter for ChatGPT and Codex: What Changes in December
OpenAI is set to merge ChatGPT and Codex usage into one shared token-based allowance for Plus, Pro, and Business plans starting in December. The shift also brings the Work experience into main ChatGPT, while instant chat remains unlimited and outside the shared meter.
What OpenAI is Changing
OpenAI’s updated usage policy says Plus, Pro, and Business users will no longer have fully separate limits for ChatGPT and Codex. Instead, both products will draw from a single combined allowance measured in tokens, the unit used to track how much information a model processes and generates.
The company says the new system is tied to bringing the agentic capabilities of Work into the main ChatGPT experience, which makes the product lineup feel more unified for users who move between chat, research, and coding tasks.
How the New Token Meter Works
- ChatGPT and Codex will share one usage pool for eligible plans.
- Usage will be measured in tokens rather than separate product limits.
- More advanced models and more complex tasks will consume more of the allowance.
- Users will be able to check combined remaining usage and reset times in Settings under Usage.
- If the limit is reached, users can wait for the reset, upgrade their plan, or buy credits to keep using eligible features.
Which Plans Are Affected
The change applies to Plus, Pro, and Business plans. These users will be the first to see ChatGPT and Codex drawing from the same shared usage allowance once the December rollout begins.
What Stays Unlimited
Instant chat remains unlimited and does not draw from the shared token meter. That means lighter, immediate conversations stay separate, while heavier agentic or coding-related activity will count against the combined allowance.
Why This Matters for Users
For everyday users, the biggest change is visibility and tradeoff management. A long coding session, a complex research workflow, or a model-heavy task can now affect the same allowance used for ChatGPT and Codex, so power users will need to monitor usage more closely.
For business and professional workflows, the new system may simplify billing and tracking, but it also makes high-intensity use more closely tied to consumption.
Conclusion
OpenAI’s December update creates a single token meter for ChatGPT and Codex on Plus, Pro, and Business plans, while preserving unlimited instant chat. The change reflects OpenAI’s push to unify ChatGPT’s chat and agent capabilities, and it will make usage tracking more important for users who rely on advanced models and long-running tasks.
Unifying usage limits across ChatGPT and Codex simplifies the offering, and being able to check remaining usage and reset times in Settings is useful for those who work with these tools every day. Keeping Instant chat unlimited points toward a more relaxed everyday experience, while heavier activities will need more attention. As always, the real impact will depend on the actual allowance sizes: a good usage system is one that is clear and predictable for those who rely on it.
How does OpenAI's new shared token meter calculate usage across ChatGPT and Codex?