---
title: "langfuse"
type: "tool"
slug: "langfuse-langfuse"
canonical_url: "https://www.graphcanon.com/tools/langfuse-langfuse"
github_url: "https://github.com/langfuse/langfuse"
homepage_url: "https://langfuse.com"
stars: 30626
forks: 3213
primary_language: "TypeScript"
license: "Other"
categories: ["inference-serving", "developer-tools", "llm-frameworks"]
tags: ["evaluation", "autogen", "llm", "large-language-models", "langchain", "analytics", "llama-index", "llm-evaluation"]
updated_at: "2026-07-07T17:32:03.998201+00:00"
---

# langfuse

> 🪢 Open source AI engineering platform: LLM evals, observability, metrics, prompt management, playground, datasets. Integrates with OpenTele

🪢 Open source AI engineering platform: LLM evals, observability, metrics, prompt management, playground, datasets. Integrates with OpenTelemetry, LangChain, OpenAI SDK, LiteLLM, and more. 🍊YC W23 

## Facts

- Repository: https://github.com/langfuse/langfuse
- Homepage: https://langfuse.com
- Stars: 30,626 · Forks: 3,213 · Open issues: 687 · Watchers: 100
- Primary language: TypeScript
- License: Other
- Last pushed: 2026-07-07T17:31:30+00:00

## Categories

- [Inference & Serving](/categories/inference-serving.md)
- [Developer Tools](/categories/developer-tools.md)
- [LLM Frameworks](/categories/llm-frameworks.md)

## Tags

evaluation, autogen, llm, large-language-models, langchain, analytics, llama-index, llm-evaluation

## Related tools

- [ECC](/tools/affaan-m-ecc.md) - The agent harness performance optimization system. Skills, instincts, memory, security, and research-first development for Claude Code, Code (★ 226,953)
- [hermes-agent](/tools/nousresearch-hermes-agent.md) - The agent that grows with you (★ 210,874)
- [AutoGPT](/tools/significant-gravitas-autogpt.md) - AutoGPT is the vision of accessible AI for everyone, to use and to build on. Our mission is to provide the tools, so that you can focus on w (★ 185,418)
- [ollama](/tools/ollama-ollama.md) - Get up and running with Kimi-K2.6, GLM-5.1, MiniMax, DeepSeek, gpt-oss, Qwen, Gemma and other models. (★ 175,657)
- [prompts.chat](/tools/f-prompts-chat.md) - f.k.a. Awesome ChatGPT Prompts. Share, discover, and collect prompts from the community. Free and open source — self-host for your organizat (★ 165,018)
- [transformers](/tools/huggingface-transformers.md) - 🤗 Transformers: the model-definition framework for state-of-the-art machine learning models in text, vision, audio, and multimodal models,  (★ 162,346)
- [JavaGuide](/tools/snailclimb-javaguide.md) - Java 面试 & 后端通用面试指南，覆盖计算机基础、数据库、分布式、高并发、系统设计与 AI 应用开发 (★ 156,863)
- [langflow](/tools/langflow-ai-langflow.md) - Langflow is a powerful tool for building and deploying AI-powered agents and workflows. (★ 151,298)

## README (excerpt)

```text
<img width="2400" alt="hero-b (1)" src="https://github.com/user-attachments/assets/5810ae13-15d6-4b60-afd2-927adc501861" />

<div align="center">
   <div>
      <h3>
         <a href="https://cloud.langfuse.com">
            <strong>Langfuse Cloud</strong>
         </a> · 
         <a href="https://langfuse.com/docs/deployment/self-host">
            <strong>Self Host</strong>
         </a> · 
         <a href="https://langfuse.com/demo">
            <strong>Demo</strong>
         </a>
      </h3>
   </div>

   <div>
      <a href="https://langfuse.com/docs"><strong>Docs</strong></a> ·
      <a href="https://langfuse.com/issues"><strong>Report Bug</strong></a> ·
      <a href="https://langfuse.com/ideas"><strong>Feature Request</strong></a> ·
      <a href="https://langfuse.com/changelog"><strong>Changelog</strong></a> ·
      <a href="https://langfuse.com/roadmap"><strong>Roadmap</strong></a> ·
   </div>
   <br/>
   <span>Langfuse uses <a href="https://github.com/orgs/langfuse/discussions"><strong>GitHub Discussions</strong></a>  for Support and Feature Requests.</span>
   <br/>
   <span><b>We're hiring.</b> <a href="https://langfuse.com/careers"><strong>Join us</strong></a> in product engineering and technical go-to-market roles.</span>
   <br/>
   <br/>
   <div>
   </div>
</div>

<p align="center">
   <a href="https://github.com/langfuse/langfuse/blob/main/LICENSE">
   <img src="https://img.shields.io/badge/License-MIT-E11311.svg" alt="MIT License">
   </a>
   <a href="https://www.ycombinator.com/companies/langfuse"><img src="https://img.shields.io/badge/Y%20Combinator-W23-orange" alt="Y Combinator W23"></a>
   <a href="https://hub.docker.com/u/langfuse" target="_blank">
   <img alt="Docker Pulls" src="https://img.shields.io/docker/pulls/langfuse/langfuse?labelColor=%20%23FDB062&logo=Docker&labelColor=%20%23528bff"></a>
   <a href="https://pypi.python.org/pypi/langfuse"><img src="https://img.shields.io/pypi/dm/langfuse?logo=python&logoColor=white&label=pypi%20langfuse&color=blue" alt="langfuse Python package on PyPi"></a>
   <a href="https://www.npmjs.com/package/langfuse"><img src="https://img.shields.io/npm/dm/langfuse?logo=npm&logoColor=white&label=npm%20langfuse&color=blue" alt="langfuse npm package"></a>
   <br/>
   <a href="https://discord.com/invite/7NXusRtqYU" target="_blank">
   <img src="https://img.shields.io/discord/1111061815649124414?logo=discord&labelColor=%20%235462eb&logoColor=%20%23f5f5f5&color=%20%235462eb"
      alt="chat on Discord"></a>
   <a href="https://twitter.com/intent/follow?screen_name=langfuse" target="_blank">
   <img src="https://img.shields.io/twitter/follow/langfuse?logo=X&color=%20%23f5f5f5"
      alt="follow on X(Twitter)"></a>
   <a href="https://www.linkedin.com/company/langfuse/" target="_blank">
   <img src="https://custom-icon-badges.demolab.com/badge/LinkedIn-0A66C2?logo=linkedin-white&logoColor=fff"
      alt="follow on LinkedIn"></a>
   <a href="https://github.com/langfuse/langfuse/graphs/commit-activity" target="_blank">
   <img alt="Commits last month" src="https://img.shields.io/github/commit-activity/m/langfuse/langfuse?labelColor=%20%2332b583&color=%20%2312b76a"></a>
   <a href="https://github.com/langfuse/langfuse/" target="_blank">
   <img alt="Issues closed" src="https://img.shields.io/github/issues-search?query=repo%3Alangfuse%2Flangfuse%20is%3Aclosed&label=issues%20closed&labelColor=%20%237d89b0&color=%20%235d6b98"></a>
   <a href="https://github.com/langfuse/langfuse/discussions/" target="_blank">
   <img alt="Discussion posts" src="https://img.shields.io/github/discussions/langfuse/langfuse?labelColor=%20%239b8afb&color=%20%237a5af8"></a>
</p>

<p align="center">
  <a href="./README.md"><img alt="README in English" src="https://img.shields.io/badge/English-d9d9d9"></a>
  <a href="./README.cn.md"><img alt="简体中文版自述文件" src="https://img.shields.io/badge/简体中文-d9d9d9"></a>
  <a href="./README.ja.md"><img alt="日本語のREADME" src="https://img.shields.io/badge/日本語-d9d9d9"></a>
```

---

**Machine-readable endpoints**

- JSON: [`/api/graphcanon/tools/langfuse-langfuse`](/api/graphcanon/tools/langfuse-langfuse)
- 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/_