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H2O LLM Studio vs Axolotl: catalog facts
H2O LLM Studio	Axolotl
Free Free and open source.	Free Free and open source.
Linux, Self-hosted	Linux, Command line
Fine-tune models without writing training code Runs on your own hardware	Training runs defined in readable configuration files Many example configurations to start from
Needs a capable GPU for practical training Aimed at people with some machine learning background	Needs capable GPUs for most models Aimed at people with machine learning experience
Self-hosted	Downloadable app
Open source	Open source
License: Apache-2.0	License: Apache-2.0
No account needed	No account needed
Works offline	Not stated if it works offline
Official website Full listing and sources Checked October 2, 2026	Official website Full listing and sources Checked September 24, 2026

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