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flashinfer-ai/flashinfer

FlashInfer: Kernel Library for LLM Serving

Cuda ◇ attention Apache-2.0
★6.7KSTARS
⑂1.6KFORKS
!1,295ISSUES
🏆#1,845GLOBAL RANK
🔥1DAYS TRENDING
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Momentum

+167

STARS · LAST 30 DAYS

6

PER DAY

#2

MOST-STARRED Cuda

Window7 days30 days90 days
Stars gained+42+167+540
Per day666
Forks gained+8+32+80

flashinfer gained 167 stars in the last 30 days, about 6 a day, and now has 6.7K. It is about 3 years old and has averaged roughly 2.2K stars a year. It ranks #2 among Cuda repositories and #1,845 across all languages on GitHubRepo.

Trending Record

flashinfer has maintained a continuous presence across global trending indexes, peaking at #5279. Below is the 30-day activity profile:

💡 Overview

flashinfer is an open-source project written in Cuda: FlashInfer: Kernel Library for LLM Serving.

Engineered for speed, consistency, and developer ease, it solves common hurdles in attention, cuda, distributed-inference. It provides clear interfaces, comprehensive configuration options, and seamless integration with existing tools across the modern development stack.

⚡ Key Features

1

Optimized execution pipeline written in Cuda for predictable speed.

2

Zero-friction configuration with comprehensive sensible defaults out of the box.

3

Cross-platform runtime support across Linux, macOS, and Windows environments.

4

Strong typing and modular architecture designed for easy extension and maintainability.

5

Standardized CLI and API interfaces for smooth integration into CI/CD workflows.

6

Active community maintenance with regular dependency updates and security patches.

📥 Installation

terminal
$ git clone https://github.com/flashinfer-ai/flashinfer.git
cd flashinfer

⚙ System Requirements

Platforms

  • • macOS
  • • Linux
  • • Windows

Runtime & Dependencies

Cuda environment and standard tooling

Architecture

x86_64, ARM64 (Apple Silicon & Graviton)

🧠 How It Works

flashinfer coordinates its core functionality through a modular Cuda pipeline. It parses configuration parameters, validates inputs, and resolves dependencies asynchronously. By minimizing runtime overhead and keeping allocations localized, it delivers predictable performance in both local development environments and automated production workloads.

🎯 Production Use Cases

Autonomous AI Agents

Orchestrate intelligent workflows and tool-calling routines with flashinfer.

Model Inference & Prompting

Integrate fast, local or cloud-hosted generative AI models directly into production code.

Context Memory & RAG

Augment language models with dynamic vector retrieval and structured project memory.

Developer Productivity

Automate repetitive engineering tasks, code generation, and test creation using AI agents.

🚀 Getting Started

1

Install flashinfer using your package manager: `git clone https://github.com/flashinfer-ai/flashinfer.git`

2

Initialize your project workspace or configuration file for flashinfer.

3

Import flashinfer into your codebase or invoke it directly from your terminal.

4

Execute your test suite or run `flashinfer --help` to verify successful setup.

👍 Strengths

Active community backing with 6,679 GitHub stars and verified adoption.
Permissive open-source distribution under the Apache-2.0 license.
Built in Cuda for high execution speed and developer familiarity.
Cross-platform compatibility across modern Linux, macOS, and Windows environments.
Clean modular design allowing flexible configuration and pipeline integration.

⚠️ Considerations

Requires familiarity with Cuda and modern CLI workflows.
Ecosystem extensions may require manual configuration depending on environment constraints.
Active development roadmap means breaking API changes may occur across major versions.

⇄ Alternatives & Direct Competitors

L
xlite-dev/LeetCUDA ★ 12.1K Cuda

An Open-source book with Modern CUDA learning Notes for Beginners - BF16/FP8/FP4, HGEMM, CuTe, Flash-Attention, etc.

Compare ↗

👥 Who Should Use This

Developers and engineering teams building with Cuda, seeking reliable, tested, and actively maintained tooling for production workloads.

🏆 Nearby in the Rankings

flashinfer-ai/flashinfer is currently ranked #1,845 by stars across every repository tracked on GitHubRepo. These are adjacent projects:

RankRepositoryLanguageStarsAction
#1,840 apache/storm Java ★ 6.7K Compare ↗
#1,841 steipete/summarize TypeScript ★ 6.7K Compare ↗
#1,842 pig-mesh/pig Java ★ 6.7K Compare ↗
#1,843 google-ai-edge/LiteRT-LM C++ ★ 6.7K Compare ↗
#1,844 pardeike/Harmony C# ★ 6.7K Compare ↗
#1,845 flashinfer-ai/flashinfer This Project Cuda ★ 6.7K
#1,846 magnitudedev/magnitude Rust ★ 6.7K Compare ↗
#1,847 python-pendulum/pendulum Python ★ 6.7K Compare ↗
#1,848 ibis-project/ibis Python ★ 6.7K Compare ↗
#1,849 mizorewww/laya-mlx Python ★ 6.7K Compare ↗
#1,850 x402-foundation/x402 TypeScript ★ 6.7K Compare ↗
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Frequently Asked Questions

What does flashinfer do? +

FlashInfer: Kernel Library for LLM Serving

What language is flashinfer written in? +

The primary language is Cuda. Topics include: attention, cuda, distributed-inference, gpu, jit.

Is flashinfer actively maintained? +

Yes, the last recorded push was on Oct 18, 2026 with 1,295 open issues being tracked.

How many stars does flashinfer have? +

flashinfer has 6,679 stars and 1,602 forks on GitHub.

How does flashinfer rank among GitHub repositories? +

With 6,679 stars, flashinfer-ai/flashinfer is ranked #1,845 globally across all repositories tracked on GitHubRepo and #2 among Cuda projects.

What license is flashinfer distributed under? +

The repository reports a Apache-2.0 license. Always verify the repository LICENSE file for legal terms.

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