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bolt.diy vs Atoms: catalog facts
bolt.diy	Atoms
Free Free and open source; you pay only for any model API you connect.	Freemium Sign-up is open; paid plans are listed on the pricing page.
Web, Self-hosted	Web
Works with the language model of your choice Self-hostable with Docker	Builds complete websites and apps from a prompt No coding required
You need to set up and run it yourself Output quality depends on the model you connect	Hosted service only Plan limits are not detailed on the homepage
Self-hosted	Web application
Open source	Closed source
License not stated	License not stated
Not stated if an account is needed	Account needed
Not stated if it works offline	Needs internet
Official website Full listing and sources Checked September 26, 2026	Official website Full listing and sources Checked September 26, 2026

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