Compare software

TabbyAPI vs vLLM: catalog facts
TabbyAPI	vLLM
Free Free and open source.	Free Free and open source under the Apache-2.0 license.
Windows, Linux, Self-hosted, Command line	Linux, Command line
OpenAI-compatible endpoints for existing clients Lightweight server focused on ExLlama models	High-throughput serving suited to production-scale local deployments Apache-2.0 licensed and actively developed
Only serves ExLlama-format models No built-in chat interface; pair it with a separate front end	Aimed at developers deploying models rather than casual end users Requires appropriate GPU hardware for good performance
Downloadable app, Self-hosted	Downloadable app, Self-hosted
Open source	Open source
License not stated	License: Apache-2.0
No account needed	Not stated if an account is needed
Works offline	Not stated if it works offline
Official website Full listing and sources Checked September 23, 2026	Official website Full listing and sources Checked September 22, 2026

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