---
title: "KVarN"
type: "tool"
slug: "huawei-csl-kvarn"
canonical_url: "https://www.graphcanon.com/tools/huawei-csl-kvarn"
github_url: "https://github.com/huawei-csl/KVarN"
homepage_url: "https://arxiv.org/abs/2606.03458"
stars: 435
forks: 28
primary_language: "Python"
license: "Apache-2.0"
archived: false
categories: ["ai-agents", "llm-frameworks", "inference-serving"]
tags: ["llm", "vllm", "python", "quantization", "agentic-ai", "llm-inference", "long-context", "kv-cache"]
updated_at: "2026-07-11T22:57:02.313035+00:00"
---

# KVarN

> KVarN is a native vLLM KV-cache quantization backend for your agents: 3-5x more context, throughput above FP16, and FP16-level accuracy. Calibration-free, one flag.

KVarN is a native vLLM KV-cache quantization backend for your agents: 3-5x more context, throughput above FP16, and FP16-level accuracy. Calibration-free, one flag.

## Facts

- Repository: https://github.com/huawei-csl/KVarN
- Homepage: https://arxiv.org/abs/2606.03458
- Stars: 435 · Forks: 28 · Open issues: 7 · Watchers: 5
- Primary language: Python
- License: Apache-2.0
- Last pushed: 2026-06-22T09:18:28+00:00

## Trust & health

_Signals computed from public GitHub metadata. Not a security guarantee._

- Maintenance: Active (computed 2026-07-11T11:46:25.802Z)
- Security scan: No lockfile (0 critical, 0 high, 0 medium, 0 low) · last scan 2026-07-11T11:46:26.595Z
- Full report: [trust report](/tools/huawei-csl-kvarn/trust.md) · [JSON](https://www.graphcanon.com/api/graphcanon/tools/huawei-csl-kvarn/trust)

## Categories

- [AI Agents](/categories/ai-agents.md)
- [LLM Frameworks](/categories/llm-frameworks.md)
- [Inference & Serving](/categories/inference-serving.md)

## Tags

llm, vllm, python, quantization, agentic-ai, llm-inference, long-context, kv-cache

## Category neighbours (exploratory)

_Same-category tools for discovery only - not curated alternatives. Cap shown at six._

- [vllm](/tools/vllm-project-vllm.md) - A high-throughput and memory-efficient inference and serving engine for LLMs (★ 85,981) [Very active]
- [headroom](/tools/headroomlabs-ai-headroom.md) - Compress tool outputs and data to reduce tokens before reaching the LLM. (★ 58,486) [Very active]
- [semantic-kernel](/tools/microsoft-semantic-kernel.md) - Integrate cutting-edge LLM technology quickly and easily into your apps (★ 28,294) [Very active]
- [12-factor-agents](/tools/humanlayer-12-factor-agents.md) - Principles for building production-ready LLM-powered software (★ 24,036) [Slowing]
- [airllm](/tools/lyogavin-airllm.md) - AirLLM 70B inference with single 4GB GPU (★ 22,399) [Very active]
- [MaxKB](/tools/1panel-dev-maxkb.md) - 🔥 MaxKB 是一个用于构建企业级代理的开源平台。 (★ 22,040) [Very active]

_+ 2 more not listed._

---

**Machine-readable endpoints**

- JSON: [`/api/graphcanon/tools/huawei-csl-kvarn`](/api/graphcanon/tools/huawei-csl-kvarn)
- LLM index: [/llms.txt](/llms.txt)
- Full corpus: [/llms-full.txt](/llms-full.txt)

_GraphCanon - The knowledge graph for AI development. https://www.graphcanon.com/_