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OpenLLM vs TabbyAPI: catalog facts
OpenLLM	TabbyAPI
Free Free and open source under the Apache 2.0 licence; BentoCloud hosting is a separate…	Free Free and open source.
Self-hosted, Command line	Windows, Linux, Self-hosted, Command line
One command starts an OpenAI-compatible server Wide catalogue of open models, plus custom model repositories	OpenAI-compatible endpoints for existing clients Lightweight server focused on ExLlama models
Many models require large GPUs Aimed at developers rather than desktop users	Only serves ExLlama-format models No built-in chat interface; pair it with a separate front end
Downloadable app, Self-hosted	Downloadable app, Self-hosted
Open source	Open source
License: Apache-2.0	License not stated
Not stated if an account is needed	No account needed
Not stated if it works offline	Works offline
Official website Full listing and sources Checked September 26, 2026	Official website Full listing and sources Checked September 23, 2026

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