Diagram
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How to make diagrams in ChatGPT

Ask ChatGPT (OpenAI’s ChatGPT) for a diagram in plain words and it draws one. On its own, the result stays in the chat or in a file only you can open. Connect Diagram once, and every diagram ChatGPT makes is saved at a link you can share, which stays current as the diagram changes. It takes three steps.

Set up ChatGPT, freeHow Diagram works

1. Connect Diagram to ChatGPT

On chatgpt.com: Settings → Security and login → turn on Developer mode. Then go to chatgpt.com/plugins, click +, name it Diagram, paste this as the server URL, choose OAuth, and create it:

https://diagram.la/mcp

Sign in once: ChatGPT then sends you to sign in to Diagram and click Allow.

Web only (chatgpt.com). Publishing needs a plan whose developer mode allows write tools: Business, Enterprise, or Edu for sure; OpenAI’s docs disagree on Plus and Pro. On Business and Enterprise, an admin has to allow developer mode.

2. Ask ChatGPT for a diagram

In a new chat, pick Developer mode from the + menu and select Diagram (ChatGPT asks you to confirm each publish), then describe what you want in plain words. For example:

ChatGPT draws it, saves it to Diagram as a draft only you can see, and gives you a link. Keep the link open: when you ask for a change, the page updates by itself.

3. Publish it and share the link

When it looks right, tell ChatGPT to publish it. It asks first and says who will be able to see it: the people on its project. Then paste the link in Slack, a pull request, or a doc. To change it later, ask ChatGPT: the link stays the same and every version is kept.

The kind of thing you can ask for:

Funnel · Pop

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Questions

Can ChatGPT make diagrams?
Yes. ChatGPT can draw flowcharts, architecture diagrams, org charts, timelines, and more as a web page. Connected to Diagram, it saves each one at a link you can open and share.
Is Diagram free to use with ChatGPT?
Yes. Diagram is free for your first 5 diagrams, and there's nothing to install.
Who can see my diagrams?
A new diagram is a draft only you can see. When you say to publish it, the people on its project can see it. You can also add people, share with your team through an org, or make one diagram public for anyone with the link.
What happens when the diagram changes?
Ask ChatGPT to change it. The change is saved at the same link, and every earlier version is kept.
Does ChatGPT need an API key?
No. ChatGPT signs in to Diagram in the browser (Google or an emailed link).

Diagrams in other tools