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Langfuse

Open SourceFunded

Open source platform for LLM observability and AI governance

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About Langfuse

Langfuse provides an open source platform designed to enhance the observability, prompt management, evaluation, and debugging of large language model (LLM) applications. It enables enterprises to trace and analyze LLM interactions, manage prompts effectively, and measure evaluation metrics to improve AI model performance and reliability. The platform supports self-hosting and integrates with various tools to fit into existing AI engineering workflows.

Targeted at enterprise organizations deploying LLMs, Langfuse addresses the critical need for transparency and governance in AI applications. By offering detailed traceability and evaluation capabilities, it helps CIOs and AI teams ensure compliance, optimize model outputs, and maintain control over AI-driven processes. Its open source nature allows for customization and integration flexibility, supporting both SaaS and on-premises deployment models to meet diverse enterprise requirements.

Key Capabilities

  • ✓LLM interaction tracing and observability
  • ✓Prompt management and version control
  • ✓Evaluation metrics for AI model performance
  • ✓Self-hosting and deployment flexibility
  • ✓Integration with AI engineering tools

Integrations

ClickHouseSDKsAPIs

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Quick Facts

langfuse.com
CategoryAI & ML Platforms
SubcategoryAI Governance & Safety
PricingSubscription
DeploymentSaaS, On-Premises, Open Source
Target SizeEnterprise