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>AI Tools>Langfuse
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Langfuse: Open Source LLM Engineering Platform for Powerful AI

Build, debug, and improve LLM apps with Langfuse's open-source platform. Features include observability, metrics, evaluations, and a playground.

FreeFreemiumPaid
4.5
out of 5
Visit Website38.9K

3

Awards

38.9K

Similarweb

Langfuse screenshot

Best for

Data Scientist
Software Developer
AI Researcher

Useful as

AI Developer Tools
AI Chatbot Tools

Platforms

GitHub
Web Apps
Updated on Dec 18, 2025 (3 months ago)

Large Language Models Unleashed: Meet Langfuse, Your Open-Source LLM Engineering Powerhouse

Large language models (LLMs) are revolutionizing how we interact with technology, powering everything from chatbots to AI assistants. But building and deploying these powerful neural networks can be complex and time-consuming. Enter Langfuse, the open-source LLM Engineering Platform designed to streamline the entire process. Langfuse provides a suite of tools for observability, metrics, evaluation, prompt management, and debugging – essentially, everything you need to build, refine, and deploy robust LLM applications. What sets Langfuse apart is its versatility: it works with any model, any framework, and allows for complex nesting configurations. With open APIs, Langfuse also empowers developers to build intricate downstream use cases, unlocking the full potential of LLMs.

Pricing

Pricing Model

FreeFreemiumSubscriptionPay-As-You-Go (PAYG)Credit or Token-Based Custom Pricing

Pricing Plans

Hobby Plan

Free

0

---

Core Plan

$29 per month

29

per month

Pro Plan

$199 per month

199

per month

Teams Add-on

$300 per month

300

per month

Enterprise Plan

$2,499 per month

2499

per month

Open Source Version

Free

0

---

Enterprise Self-Hosted Version

Custom pricing

---

---

Reference

Related Topics

#machine learning#generative ai#large language models#api ai#ai in data analysis#ai development#ai prompt engineering#developer tools#ai for debugging#ai for integration

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Publish DateJun 13, 2023
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