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Steel
Open-source browser infrastructure for AI agents via a simple developer API
Steel — frequently asked questions
What is Steel?
Steel is an open-source browser infrastructure API that runs cloud browser sessions for AI agents and web automation.
Does Steel work with Puppeteer, Playwright, and Selenium?
Yes. The site says existing scripts can be moved to Steel with a one-line change to launch Puppeteer, Playwright, or Selenium in the cloud.
How long can a session run?
Each session can run up to 24 hours according to the product page.
Does Steel handle CAPTCHAs and bot detection?
Yes. Steel includes automated CAPTCHA solving and proxy/fingerprinting controls designed to keep automations from being flagged.