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agent-browser vs Steel: catalog facts
agent-browser	Steel
Free Free and open source under the Apache 2.0 licence.	Freemium Hosted service can be started for free; the open-source browser API is free to run.
Windows, macOS, Linux, Command line	Web, Self-hosted
Compact text output keeps agent context usage low Element references from accessibility snapshots for reliable selection	Open-source browser API that can be self-hosted Controls many cloud browser sessions at once
Designed for AI agents rather than hands-on human use Downloads its own Chrome on first use	Developer tool that requires programming Scaling in the cloud relies on the hosted service
Downloadable app	Self-hosted, Hosted service
Open source	Open source
License: Apache-2.0	License not stated
No account needed	Not stated if an account is needed
Not stated if it works offline	Not stated if it works offline
Official website Full listing and sources Checked October 1, 2026	Official website Full listing and sources Checked September 26, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.