# Langfuse.Com

- **Website:** <https://langfuse.com>
- **Primary alias:** `langfuse.com`
- **Founded:** 2022
- **Employees:** 2+
- **Location:** San Francisco, California, United States
- **Company kind:** PRIVATELY HELD

## Description

Langfuse is a brand that offers open-source product analytics for LLM (Language Model) applications. Their comprehensive platform provides detailed production traces and a granular view of quality, cost, and latency. By using Langfuse, developers can stay on top of costs with LLM token usage broken down by features of their product and vendor. The platform also enables users to add their unique user ID to ingested data, allowing for a breakdown of metrics by users. Langfuse's integrations create detailed nested traces that help developers understand how their LLM applications behave in production, making it easier to debug and analyze latency. Additionally, the platform assesses the quality of LLM completions, compares different versions, and helps identify bugs. Langfuse offers version control, experimentation capabilities, and integrations with Langchain, as well as fully typed, async SDKs for Python and JS/TS. For flexibility, Langfuse provides an API for ingesting data and building other integrations. Stay updated with Langfuse's new releases and updates through their blog.

## Industries

- 🖥 Programming and Developer Software _(under Computers Electronics and Technology)_
- 🖥 Computers Electronics and Technology

## Links

- [twitter](https://twitter.com/langfuse)
- [github](https://github.com/langfuse)
- [linkedin](https://linkedin.com/company/langfuse)

## Logos & icons

- logo _(primary)_ — PNG, SVG — [download](https://cdn.brandfetch.io/id8RhakJvF/w/820/h/194/theme/light/logo.png?c=1bxid64Mup7aczewSAYMX&t=1789669734879)
- icon _(primary)_ — JPEG — [download](https://cdn.brandfetch.io/id8RhakJvF/w/400/h/400/theme/dark/icon.jpeg?c=1bxid64Mup7aczewSAYMX&t=1789669734973)

## Colors

| Name | Hex | Theme |
| --- | --- | --- |
| Bittersweet | #ff5d5f | accent |
| Black | #000000 | dark |
| Marigold Yellow | #f2f674 | light |

## Fonts

- var(--font-sans) — asset _(custom)_
- ui-sans-serif — asset _(custom)_

## Imagery

- banner _(primary)_ — JPEG — [download](https://cdn.brandfetch.io/id8RhakJvF/w/1500/h/500/idUDEn6oJL.jpeg?c=1bxid64Mup7aczewSAYMX&t=1789669735167)

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_Source: <https://brandfetch.com/langfuse.com>_
_See [/llms.txt](/llms.txt) for a full list of agent-readable pages, and [/auth.md](/auth.md) for how agents authenticate._