KTransformers

Run huge MoE models on one consumer GPU
Inference serverInference optimizerApache-2.0Runs locallyPythonAdvanced
OSAI Pulse ⓘ ★★★★★★★★★★ /100 signals tracked
🐳 Docker pulls 📦 PyPI downloads / month 📦 npm downloads / month 🚀 Latest release ·
Visit website →View on GitHub

What is KTransformers?

KTransformers uses clever CPU/GPU offloading to run very large mixture-of-experts models on a single consumer GPU that could not otherwise fit them.

Why people choose KTransformers

KTransformers at a glance

CategoryInference server
TypeInference optimizer
LicenseApache-2.0
Runs locallyYes
Built withPython
Skill levelAdvanced
Best forrunning huge MoE models on modest hardware

Open-source alternatives to KTransformers

Other open-source inference server tools worth comparing:

vLLMHigh-throughput serving for productionTGIHugging Face's production text serverSGLangFast serving with structured outputsLMDeployToolkit for compressing and serving LLMsAphrodite EngineHigh-throughput LLM servingTensorRT-LLMPeak throughput on NVIDIA GPUsOpenLLMServe any open model as an OpenAI API in one commandRay ServeScale model serving across a clusterBentoMLPackage any model into a production API

KTransformers head-to-head

KTransformers vs vLLMKTransformers vs TGIKTransformers vs SGLangKTransformers vs LMDeployKTransformers vs Aphrodite EngineKTransformers vs TensorRT-LLMKTransformers vs OpenLLMKTransformers vs Ray ServeKTransformers vs BentoML

FAQ

Is KTransformers free?

KTransformers is free and open-source (Apache-2.0 license), so you can use, self-host and modify it at no cost.

Can I run KTransformers locally?

Yes. KTransformers is designed to run on your own machine or server, keeping your data private.

What is the best alternative to KTransformers?

Popular open-source alternatives include vLLM, TGI, SGLang. See the comparisons above to choose.

Explore more open-source AI

Browse the full directory of open-source AI tools, models and projects — updated daily.

Browse all tools →