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Base44 vs bolt.diy: catalog facts
Base44	bolt.diy
Freemium Free to start, with usage measured in credits.	Free Free and open source; you pay only for any model API you connect.
Web	Web, Self-hosted
Hosting, database, auth and payments included No coding needed	Works with the language model of your choice Self-hostable with Docker
Apps are tied to the Base44 platform Credit-based usage limits	You need to set up and run it yourself Output quality depends on the model you connect
Web application, Hosted service	Self-hosted
Closed source	Open source
License not stated	License not stated
Account needed	Not stated if an account is needed
Needs internet	Not stated if it works offline
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.