
Open source LLM engineering platform for debugging and improving LLM applications across their entire lifecycle, from development to monitoring and testing.
About
Langfuse is an open-source LLM engineering platform designed to help teams build and improve production-grade LLM applications faster. It addresses key challenges such as debugging complex workflows, monitoring costs and latencies, and assessing output quality. Langfuse provides comprehensive tools for tracing the full execution flow of LLM applications, including API calls, retrieved context, prompts, and parallelism. It offers hierarchical representations, multi-modal support, and detailed metrics on cost and latency. The platform also facilitates user feedback, automated LLM-as-a-judge evaluations, manual data labeling, and robust prompt management for experimentation. It supports versioning and testing via curated datasets, providing quantitative insights to enhance LLM applications. Langfuse is used by tens of thousands of developers globally.
Pricing
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Total Employees
20
Current headcount
Score Breakdown
38Traction
43Team
70Visibility
21Profile
75Community
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Frequently Asked Questions
What does Langfuse do?
Langfuse is an open-source LLM engineering platform designed to help teams build and improve production-grade LLM applications faster. It addresses key challenges such as debugging complex workflows, monitoring costs and latencies, and assessing output quality. Langfuse provides comprehensive tools for tracing the full execution flow of LLM applications, including API calls, retrieved context, prompts, and parallelism. It offers hierarchical representations, multi-modal support, and detailed met…
How much funding has Langfuse raised?
Langfuse has raised a total of $4M in funding.
When was Langfuse founded?
Langfuse was founded in 2022.
How many employees does Langfuse have?
Langfuse has approximately 20 people on record.
