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Kiln vs Unsloth: catalog facts
Kiln	Unsloth
Free The app is free and the accompanying library is open source.	Free Free to download and use from its GitHub repository.
Windows, macOS, Linux	Windows, macOS, Linux, Command line
Evals, fine-tuning and synthetic data in one app RAG, agents and MCP support	Both running and fine-tuning models in one tool Local UI as well as a command-line interface
Licence of the desktop app is not stated in the research Broad scope can be more than a small project needs	Fine-tuning needs capable hardware, typically a strong GPU The research does not state the license
Downloadable app	Downloadable app
Closed source	Closed source
License not stated	License not stated
Not stated if an account is needed	Not stated if an account is needed
Not stated if it works offline	Not stated if it works offline
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.