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vLLM vs KTransformers: catalog facts
vLLM	KTransformers
Free Free and open source under the Apache-2.0 license.	Free Free to use; published on GitHub.
Linux, Command line	Linux, Self-hosted
High-throughput serving suited to production-scale local deployments Apache-2.0 licensed and actively developed	Runs very large models by offloading between CPU and GPU Supports LoRA fine-tuning as well as inference
Aimed at developers deploying models rather than casual end users Requires appropriate GPU hardware for good performance	Aimed at technical users comfortable with setup and configuration Needs substantial hardware for the largest models
Downloadable app, Self-hosted	Self-hosted
Open source	Closed 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 22, 2026	Official website Full listing and sources Checked October 2, 2026

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