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Kiln vs Oumi: catalog facts
Kiln	Oumi
Free The app is free and the accompanying library is open source.	Free Free and open source under the Apache 2.0 licence.
Windows, macOS, Linux	Linux, Command line
Evals, fine-tuning and synthetic data in one app RAG, agents and MCP support	Fine-tuning, evaluation and deployment in one CLI Supports SFT, DPO and GRPO including tool-use training
Licence of the desktop app is not stated in the research Broad scope can be more than a small project needs	Requires GPU hardware and Python ML experience Deployment targets limited to a few inference providers
Downloadable app	Downloadable app
Closed source	Open source
License not stated	License: Apache-2.0
Not stated if an account is needed	No account 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 October 2, 2026

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