Compare software

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

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