OpenAI Lets Apps Use Your ChatGPT Plus or Pro Plan, But Signing Out Won’t Stop Usage
OpenAI has introduced a new way for ChatGPT Plus and Pro subscribers to use their paid plans across third-party apps. Announced during the company’s DevDay developer event, the feature allows users to sign in to supported apps with their ChatGPT account and let those apps process AI requests using their existing subscription.
The feature is currently available as a limited preview with select integrations. Participating apps include tools such as Devin by Cognition, Notion, Vercel, T3, OpenClaw, and Dactyl. The main advantage is convenience: users do not need to generate or manage an API key. Instead, they can connect their ChatGPT account directly and allow supported apps to use the AI capabilities included in their plan.
What apps can access when you sign in with ChatGPT
When you use the “Sign in with ChatGPT” option, OpenAI says the app receives basic account information, including your name, email address, and profile picture. However, the connection does not automatically give the app access to your ChatGPT conversations, saved memories, or API key.
Any additional permissions must be requested separately by the app. This is important because signing in does not mean the app can freely view your private ChatGPT history. Still, users should carefully review permission prompts before approving access.
AI requests made by connected apps count toward the ChatGPT Work and Codex usage included in your subscription. In other words, if a connected app performs AI-powered tasks through your ChatGPT plan, that activity can reduce your available weekly usage.
OpenAI notes that how quickly your included usage is consumed depends on the app and the type of tasks you run. A lightweight task may use very little, while more advanced coding, automation, or agent-based workflows may consume usage faster.
Users can view how much usage each app has consumed in ChatGPT settings. However, the settings do not show a detailed breakdown of which specific actions or tasks caused the usage.
You can set weekly usage limits for each connected app
OpenAI gives users some control over connected apps through per-app usage limits. These limits can be managed under Settings and Usage.
The limit is weekly and determines how much of your overall weekly ChatGPT usage a connected app is allowed to consume. It does not increase your total available usage; it only restricts how much of your existing plan a specific app can use.
This can be useful if you want to test a new integration without letting it consume a large portion of your subscription. For example, you may choose to give one app only a small percentage of your weekly usage while allowing another trusted productivity tool a larger share.
There is also an option for apps to use purchased credits after your included plan usage runs out, but this requires explicit permission. OpenAI says this option is turned off by default. Apps can only draw from purchased credits if you enable the setting and set that app’s usage limit to 100%.
Users should be cautious with this setting, especially if automatic credit purchases are enabled. OpenAI warns that continued usage may result in charges, and users may not receive a separate notification when their included usage has been fully used.
Signing out of an app does not disconnect it from ChatGPT
One of the most important details is that signing out of a connected third-party app does not necessarily stop that app from using your ChatGPT plan.
Signing out only ends your active session inside that app. The connection between the app and your ChatGPT account can remain active in the background. As a result, the app may still be able to use your plan unless you manually remove the connection from your ChatGPT settings.
To disconnect an app, you need to open ChatGPT settings, go to Security and login, and find the “Sign in with ChatGPT” section under login connections. From there, you can remove connected apps.
Disconnecting an app stops future access, but it does not restore any usage that has already been counted against your plan. It also does not delete data the app may have already received. If you want previously shared data removed, you will need to contact the app provider directly.
This behavior is similar to other sign-in systems used across the web. Removing a login session or signing out of an app does not always revoke deeper account permissions, so it is important to manage connected apps from the account security settings.
Why this matters for ChatGPT Plus and Pro users
The new “Sign in with ChatGPT” system could make AI tools easier to use by removing the need for API keys and separate billing setups. For developers, productivity apps, coding assistants, and AI agent platforms, it creates a smoother way to let users access advanced AI features through their existing ChatGPT subscription.
For users, however, it also introduces a new responsibility: monitoring which apps are connected and how much of the plan they are using.
If you connect several apps to your ChatGPT Plus or Pro account, your included usage may be consumed faster than expected. This is especially true for apps that perform complex background tasks, generate code, run AI agents, or automate workflows.
Before connecting an app, users should check:
What permissions the app requests
How much weekly usage the app is allowed to consume
Whether purchased credits can be used
Whether automatic credit purchases are enabled
How to disconnect the app later if needed
The feature has the potential to make ChatGPT subscriptions more flexible and useful across everyday apps. But users should treat connected apps like any other account integration: convenient, powerful, and worth reviewing regularly.
