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Skyvern vs Nanobrowser: catalog facts
Skyvern	Nanobrowser
Freemium Open-source code is free to run yourself; the hosted service is a commercial offering.	Free Free and open source; you pay your chosen LLM provider for API usage.
Web, Self-hosted	Browser extension
Works without hand-written page selectors Handles CAPTCHAs and two-factor logins	Runs inside your own browser Bring your own LLM API key
Depends on AI models, so results can vary between runs Aimed mainly at business workflows	Needs a paid API key from a model provider Chrome-focused
Self-hosted, Hosted service	Browser extension
Open source	Open source
License not stated	License not stated
Not stated if an account is needed	No account needed
Needs internet	Needs internet
Official website Full listing and sources Checked September 24, 2026	Official website Full listing and sources Checked September 26, 2026

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