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vLLM vs llama.cpp: catalog facts
vLLM	llama.cpp
Free Free and open source under the Apache-2.0 license.	Free Free and open source under the MIT licence.
Linux, Command line	Windows, macOS, Linux, Android, Command line
High-throughput serving suited to production-scale local deployments Apache-2.0 licensed and actively developed	No Python and no dependencies; one binary runs the model Quantisation down to 1.5 bits fits big models into small memory
Aimed at developers deploying models rather than casual end users Requires appropriate GPU hardware for good performance	Command line first; the web interface is basic next to dedicated apps Quantising hard reduces answer quality, and the trade-off is yours to judge
Downloadable app, Self-hosted	Downloadable app
Open source	Open source
License: Apache-2.0	License: MIT
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 22, 2026	Official website Full listing and sources Checked September 21, 2026

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