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Scheduled launch — Aug 29, 2026

Langfuse is listed on AI Kaptan and will enter the daily launch competition on that day. Community upvotes open on launch day.

Langfuse
AI observability
Other

Langfuse

Langfuse is an open platform to trace, evaluate, and improve AI agents. Understand agent behavior, manage prompts, and deliver high-quality outcomes at lower costs.

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Rating
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Upvotes
about 2 hours ago
Listed
AI observability
LLM tracing
Prompt Management
AI evaluation
AI agent monitoring
Trace management
Open platform
Tool information
Provider
Langfuse
Platforms
Web
Languages
English
API Available
Yes
Added to directory
about 2 hours ago
Last updated
about 2 hours ago
Rating
Not available
Pricing
Other

About Langfuse

What the tool does and who it's for

Langfuse is an open platform engineered for tracing, evaluating, and improving AI agents. It allows teams to use production data to understand AI agent behavior, collaborate on fixes, and optimize outcomes for cost and latency. Features like Observability, Evaluation, and Prompt Management support AI engineering workflows from prototyping to production scale. The platform provides detailed visual tracing for every call, tool invocation, and retrieval step, filterable by user, session, cost, latency, or custom metadata.

Key capabilities

Trace and monitor every call, tool invocation, and retrieval step in AI workflows.
Filter observations by user, session, cost, latency, or custom metadata.
Evaluate production data and run experiments to measure AI performance.
Separate prompts from code with one-click deployments for team collaboration.
Support for OpenTelemetry (OTel) instrumentation across languages and frameworks.
Over 100 integrations for seamless onboarding and stack compatibility.
Flexible deployment options ranging from Docker Compose to Azure environments.

Pricing

Other — plans below

Pricing isn't listed yet

Check Langfuse's own site for current plans and limits.

View pricing on their site

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FAQ

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