Langfuse

Overview

Knowledge

49 items

Connectors

1 active connector

Behaviors

0 active behaviors

Details

Link

https://langfuse.com

Domain

langfuse.com

Category

AI Observability and Evaluation

Keywords

Langfuse, LLM observability, agent evaluation, prompt management, open source

One Liner

Open-source platform for tracing, evaluating and improving LLM applications and AI agents.

Seo Title

Langfuse company profile, products and public signals

Categories

AI Observability and Evaluation, Prompt Management, Developer Tools

Provenance

first-party

Child Entities

No public items yet.

Recent Knowledge

• Introduction website • 2026-08-04 Langfuse raises $4M - Langfuse [Langfuse v4 is here: real-time, up to 165× faster · Read more](/docs/v4) Nov 7, 2023
• [Why now](#why-now) website • 2026-08-04 Observability and monitoring may seem like very serious terms in an industry that is so nascent, but given the stakes for production-applications, companies shouldn't just "hope f…
• Langfuse raises $4M website • 2026-08-04 We're thrilled to announce that Langfuse has raised a $4m seed round from Lightspeed Venture Partners, La Famiglia and Y Combinator. ![Picture Clemens Rawert](/_next/image?url=%2F…
• [Where we are at](#where-we-are-at) website • 2026-08-04 Since the launch, we’ve onboarded numerous teams onto our managed cloud and self-hosting offerings. We are especially excited that we hit a nerve with individual contributors in e…
• [What’s next](#whats-next) website • 2026-08-04 After having built the data and observability layer we close the loop and return to the problem of testing applications before they move to production. We aim to solve the problem…
• [The open data layer for the whole lifecycle](#the-open-data-layer-for-the-whole-lifecycle) website • 2026-08-04 Langfuse establishes an open-source data model to track all invocations throughout the lifecycle of an application. Thereby, teams have the full history to evaluate how usage patt…
• [What stays the same](#what-stays-the-same) website • 2026-08-04 This is the section we would want to read first, too. * **Langfuse stays open source and self‑hostable.** There are no planned changes to licensing. As you know, we leaned heavily…
• [Join the discussion](#join-the-discussion) website • 2026-08-04 If you have any other questions, let’s discuss together on [GitHub Discussions](https://github.com/orgs/langfuse/discussions/11593). If you’re an enterprise customer and have addi…