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Reasonix vs Claude Code: catalog facts
Reasonix	Claude Code
Free Free and open source under MIT; you pay for the model API usage it consumes.	Paid Requires a paid Claude subscription or API credits.
Windows, Command line	Windows, macOS, Linux, Command line
Per-turn checkpoints let you undo any step of a run Plan mode, permission prompts and a workspace sandbox	Works directly in a real repository, running commands and tests rather than only suggesting text Available in the terminal, IDEs, desktop and web from one subscription
Built around DeepSeek models rather than a wide choice of providers Requires a paid model API to do any work	Requires a paid Claude plan or API credits It runs commands in your environment, so it needs supervision and permissions
Downloadable app	Downloadable app
Open source	Closed source
License: MIT	License not stated
Not stated if an account is needed	Not stated if an account is needed
Needs internet	Not stated if it works offline
Official website Full listing and sources Checked October 2, 2026	Official website Full listing and sources Checked September 22, 2026

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