OpenAI is now giving eligible ChatGPT Pro and Business subscribers a monthly allowance of API credits to spend on its developer platform, worth up to $500 per month. Announced on October 28, 2026, the benefit links a paid ChatGPT subscription to an API organization for the first time, so subscribers can build apps and agents without paying separately for API tokens, according to OpenAI Developers on X. Until now, the ChatGPT subscription and the API ran on separate billing systems: a subscriber still had to add a payment method and buy tokens to call models programmatically.

“Starting today, eligible ChatGPT Pro and Business subscribers can claim up to $500 per month in API credits to build apps and agents,” OpenAI Developers said in the announcement post.

https://x.com/OpenAIDevs/status/2115583698074755078

What Each Plan Gets

For individual Pro subscribers, the monthly credit equals the plan price. The $100 Pro plan gets $100 in API credits, the $200 plan gets $200, and the $500 plan gets $500, per OpenAI’s announcement and its Help Center documentation as reported by multiple outlets. Business workspaces work differently: credits are pooled across paid seats, at $20 per paid Standard seat or $100 per paid Premium seat, up to a cap of $500 per workspace each month. A workspace with 25 Standard seats or five Premium seats hits that cap, and extra seats do not raise it.

OpenAI API credits by ChatGPT plan

Monthly API credit by plan. Source: OpenAI Developers announcement, October 28, 2026. Graphic: GPTOnline

The credits can be spent on developer services including the Responses API, the Agents API, real-time voice through the Realtime API and GPT-Live, and image generation through the Images API, according to OpenAI’s API credits documentation. That makes the allowance usable for the kinds of projects subscribers are most likely to try first: internal assistants, retrieval systems that attach documents to a model request, and agent prototypes.

How Claiming Works, and the Fine Print

Subscribers must claim the benefit and link it to an API organization they own. The claim runs through ChatGPT billing settings, and an OpenAI Developers plugin in ChatGPT or Codex can create the API key, according to the announcement. To qualify, the subscription must have been active for at least 7 days, the claimant must own both the ChatGPT subscription or Business workspace and the API organization, and the ChatGPT and API accounts must use the same email address. Subscribers can spend the grant without adding an API payment method, and usage beyond the grant follows ordinary API billing.

The credits come with strict limits. Unused credit expires at the end of each billing cycle and does not roll over, and the first grant may be prorated depending on how much of the cycle remains. The credits do not cover Codex usage through API keys. And the largest group of ChatGPT users gets nothing: Plus subscribers are excluded, as are Free, Enterprise, Edu, trial and gifted subscriptions and legacy Codex seats, according to OpenAI’s eligibility list.

OpenAI API credits claiming rules

Claiming rules and limits. Source: OpenAI Developers announcement and Help Center documentation. Graphic: GPTOnline

Why It Matters

For a Pro subscriber, the benefit effectively returns the subscription fee as API balance each month, on top of the chat access the subscription already buys. That lowers the cost of experimenting with the API to zero for small projects, which is exactly the audience OpenAI says it wants: subscribers building apps and agents. It also matches a tactic already used by Anthropic, whose Claude Max plans include $100 or $200 in monthly API credit, turning subscription funded API usage into another front in the competition for developer workloads.

There are limits to watch. A $500 monthly cap covers hobby projects and prototypes, not production workloads, and the no rollover rule punishes subscribers who claim late in a cycle. The exclusion of Plus, the plan most paying ChatGPT users hold, means the benefit reaches a narrower, higher paying slice of OpenAI’s base. Still, for Pro and Business subscribers who have wanted to try the API without opening a second billing relationship, the wall between chat and API billing is now gone, and the credit is available to claim now.

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