OpenSource-Hub

ktransformers

Framework

kvcache-ai/ktransformers

A flexible framework for heterogeneous LLM inference and fine-tuning.

Overview

KTransformers is a research project focused on efficient LLM inference and fine-tuning through CPU-GPU heterogeneous computing. It provides high-performance kernel operations and integration with LLaMA-Factory for fine-tuning, supporting MoE models and various quantization techniques.

README Preview

\n  \n\n\n    \n\n\n\n\n  A Flexible Framework for Experiencing Cutting-edge LLM Inference/Fine-tune Optimizations\n  🎯 Overview | 🚀 Inference | 🎓 SFT | 🔥 Citation | 🚀 Roadmap(2026Q2)  \n\n\n## 🎯 Overview\n\nKTransformers is a research project focused on efficient inference and fine-tuning of large language models through CPU-GPU heterogeneous computing. The project now exposes two user-facing capabilities from the kt-kernel source tree: [Inference](./kt-kernel/README.md) and [SFT](./doc/en/SFT/KTransformers-Fine-Tuning_Quick-Start.md).\n\n## 🔥 Updates\n* **June 21, 2026**: MiniMax-M3 Day0 Support! ([Tutorial](./doc/en/kt-kernel/MiniMax-M3-Tutorial.md))\n* **June 17, 2026**: GLM-5.2 Day0 Support! ([Tutorial](./doc/en/kt-kernel/GLM-5.2-Tutorial.md))\n* **May 6, 2026**: KTransformers at [GOSIM Paris 2026](https://paris2026.gosim.org/zh/schedule/) — "Agentic AI on Edge" track. We'll present KT's inference performance on consumer hardware.\n* **May 02, 2026**: DeepSeek-V4-Flash Support! ([Tutorial](./doc/en/DeepSeek-V4-Flash.md))\n* **Apr 30, 2026**: KTransformers v0.6.1 refreshes kt-kernel inference and SFT docs with separate [Inference](./kt-kernel/README.md) and [SFT Quick Start](./doc/en/SFT/KTransformers-Fine-Tuning_Quick-Start.md) entry points.\n* **Mar 26, 2026**: Support AVX2-only CPU backend for KT-Kernel inference. ([Tutorial](./doc/en/kt-kernel/AVX2-Tutorial.md))\n* **Feb 13, 2026**: MiniMax-M2.5 Day0 Support! ([Tutorial](./doc/en/MiniMax-M2.5.md))\n* **Feb 12, 2026**: GLM-5 Day0 Support! ([Tutorial](./doc/en/kt-kernel/GLM-5-Tutorial.md))\n* **Jan 27, 2026**: Kimi-K2.5 Day0 Support! ([Tutorial](./doc/en/Kimi-K2.5.md)) ([SFT Tutorial](./doc/en/SFT_Installation_Guide_KimiK2.5.md))\n* **Jan 22, 2026**: Support [CPU-GPU Expert Scheduling](./doc/en/kt-kernel/experts-sched-Tutorial.md), [Native BF16 and FP8 per channel Precision](./doc/en/kt-kernel/Native-Precision-Tutorial.md) and [AutoDL unified fine-tuning and inference](./doc/zh/【云端低价训推】%20KTransformers%