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Connect your ChatGPT subscription through OpenAI in Settings → Connectors → Model providers. You need access to your ChatGPT Plus or Pro account and the Model providers option in Cohesive. If OpenAI asks you to enable device code login, enable it in your ChatGPT security settings. Managed accounts may require an admin to allow it. See OpenAI’s device code sign-in instructions.

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Connect

1

Open the OpenAI connection

Open Settings → Connectors → Model providers. Click Connect beside OpenAI, or Replace to change an existing connection.
2

Start subscription sign-in

Select Subscription under Credential Type, then click Connect OpenAI. Cohesive opens the provider’s sign-in page and displays a one-time code.
3

Enter the code at OpenAI

Sign in to the ChatGPT account whose subscription you want to use. Enter the code shown in Cohesive on the OpenAI page and approve the sign-in.
4

Return to Cohesive

Keep the Cohesive connection window open while you approve. It finishes automatically and the OpenAI row shows your connected account.
5

Choose ChatGPT for a new chat

Open a new chat or Canvas session. Before sending the first message, select ChatGPT in the agent picker, choose a model, and check for your subscription beside it.
Cohesive refreshes the connection as needed. You don’t need to extract a token or run a terminal command.

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The sign-in page didn’t open

Use the provider link beside the code in Cohesive to open it again. Keep the Cohesive window open so it can detect approval.

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The code expired or sign-in didn’t finish

Click Start again if shown, or reopen the connection dialog. Use the new code and approve it while the connection window is open. Check that device code login is enabled for the account you’re signing into.

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The connection works, but the chat uses platform credits

Connecting a subscription doesn’t change an existing conversation’s agent. Start a new chat and select ChatGPT before its first message. The Cohesive option continues to use platform credits; OpenCode doesn’t use subscription credentials. If the provider row shows Error, use Replace to sign in again. The row states which credential later turns will use while the personal connection is unavailable.

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Manage the connection

Use Replace to switch ChatGPT accounts or Disconnect to remove the connection. This connection doesn’t copy your ChatGPT history into Cohesive. Read Model providers for credit accounting and Choose an agent for conversation and model controls.