Claude, ChatGPT, and Playwright compared for AI browser automation
The author compares three AI‑driven browser tools—Claude in Chrome, ChatGPT browser extensions, and Playwright MCP—to decide which best fits daily automation needs. He ran each tool for several weeks, noting how they handle user login, safety stops, and background operation.
Key points
- Claude in Chrome borrows the user’s Chrome session and supports only one account per instance.
- ChatGPT extensions run on multiple browsers but allow only one account per extension, causing conflicts in parallel runs.
- Playwright launches its own headless browser via Node.js, is free and open source, and does not require a logged‑in session.
Claude in Chrome borrows the user’s existing Chrome session and is limited to one account per instance. ChatGPT extensions support multiple browsers but also allow only a single account per extension, causing conflicts when running parallel instances. Playwright launches its own headless browser via Node.js, is free and open source, and does not require a logged‑in session.
The author’s three decision lines—whether the tool borrows Chrome, where it stops, and whether it takes over the screen—guide the choice. He also shares operational rules, such as keeping background tasks out of the foreground and refreshing logins that expire after seven days. The article concludes with a checklist for business owners looking to delegate browser tasks to AI.
Comparing AI browser automation: Three lines to choose between Claude, ChatGPT, and Playwright based on 'whose Chrome it runs on'
note.com · 31 October 2026
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