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ChatGPT Work vs Comet
Comet is a free AI browser you install; ChatGPT Work is OpenAI's agent that uses its own browser in the cloud and needs a paid ChatGPT plan. Comet is the easy start; ChatGPT Work suits longer tasks on sites you sign in to.
At a glance
| Fact | ChatGPT Work | Comet |
|---|---|---|
| Made by | OpenAI | Perplexity |
| What it is | OpenAI's agent that completes tasks across websites, including ones you sign in to, using its own browser in the cloud. | Perplexity's AI browser with an assistant that acts on pages. |
| Price | Free plan, paid from $8/month | Free; extra features with Perplexity plans |
| Runs on | Web, Windows, macOS | macOS, Windows, iOS, Android |
| Open source | No | No |
| Models | GPT-6 Astra | Not stated |
| Last verified | October 14, 2026 | October 14, 2026 |
| Official site | learn.chatgpt.com/docs/browser | perplexity.ai/comet |
Where they differ
- Price: Comet is free, with more features on Perplexity plans; ChatGPT Work needs a paid ChatGPT plan.
- Where it runs: Comet on Mac, Windows, iPhone and Android; ChatGPT Work on the web, Windows and Mac.
- How it browses: Comet acts on the pages in your own browser; ChatGPT Work runs a separate browser in the cloud with a shared view.
Which to pick
Choose ChatGPT Work if you want an agent in a browser you use every day, for free.
Choose Comet if you already pay for ChatGPT and want tasks done on sites while you do something else.
Keep looking
Facts from each maker's official pages, last verified October 14, 2026. How we verify.