Langfuse
Open source LLM engineering platform for observability, prompt management, and evaluation.
Company Facts
About Langfuse
Langfuse is an open-source platform designed to help teams build, monitor, and improve applications powered by large language models (LLMs). It provides a comprehensive suite of tools for tracing, prompt management, evaluation, and analytics, making it easier to debug and optimize LLM-based workflows.
With Langfuse, developers can track every LLM call and related logic in their applications, visualize complex agentic workflows, and monitor key metrics such as quality, cost, and latency. The platform supports prompt versioning and optimization, allowing teams to collaboratively manage and deploy prompts without code changes, and instantly test them in a playground environment.
Langfuse also offers flexible evaluation tools, including automated and human-in-the-loop assessments, to ensure the reliability and quality of LLM applications. Its integrations with popular frameworks like Langchain, OpenAI, LlamaIndex, and LiteLLM, as well as SDKs for Python and TypeScript, make it easy to incorporate into existing development workflows.
Security and compliance are core to Langfuse, with certifications such as SOC 2 Type II and ISO 27001, and alignment with GDPR and HIPAA. The platform is self-hostable, extensible, and actively developed in collaboration with its open-source community.
What is Langfuse?
Langfuse is an open-source platform designed for tracing, evaluating, and managing prompts in large language model (LLM) applications. It provides tools to debug and improve LLM applications through observability and metrics.
Who is Langfuse for?
Langfuse is aimed at developers and organizations working with large language models who need tools for observability, prompt management, and performance evaluation. It is particularly useful for those building LLM applications.
When was Langfuse founded?
The founding date of Langfuse is not specified on the website.
Who founded Langfuse?
The website does not provide information about the founders of Langfuse.
What is Langfuse best known for?
Langfuse is best known for its capabilities in tracing and managing LLM applications, providing developers with tools to enhance the performance and observability of their models.
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