Langfuse helps teams trace, evaluate, and improve AI applications through an open-source platform connecting production data, prompt management, and collaborative experimentation.

Products & media

Langfuse Observability

Tracing platform that captures model calls, tool execution, latency, token usage, and application context for debugging production AI systems.

Langfuse Evaluation

Evaluation toolkit connecting datasets, experiments, automated evaluators, and human feedback to measure and improve the quality of AI applications.

Langfuse Playground

Interactive prompt workspace for testing models and parameters against application context before deploying changes into production AI workflows.

Langfuse Prompt Management

Central prompt repository for versioning, testing, and releasing model instructions independently from application code, with SDK retrieval and caching.

Langfuse Metrics

Analytics dashboards that aggregate AI application cost, latency, usage, and quality signals to monitor performance and investigate changes.

Langfuse Assistant

In-product AI assistant that investigates project traces and metrics, then proposes resource updates and other actions requiring user approval.

Team

4 people across company lists

Jobs

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Funding

All fundraising announcements are based on public sources. Please contact Cosign if you believe there are any discrepancies, or claim the profile to edit.

Data current as of November 7, 2023

Leads

Participating Firms

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