Basic: Free, then CHF 5 per role or per pack of 5,000 runs. Pro: CHF 190/month (or CHF 228/month billed yearly with 2 months free). Business: from CHF 490/month. Enterprise: on request. All plans include unlimited agents.
Key features
Hierarchical traces capture every LLM call, tool invocation, and retrieval step
LLM-as-a-judge, heuristic functions, or human review evaluations
Prompt management with one-click deployments and rollbacks
Playground to test prompts on real production inputs and compare models
Experiments with test cases and side-by-side comparison
Human annotation and collaborative human-in-the-loop workflows
Cost and latency monitoring with dashboards and alerts
REST APIs and Query SDK for data access
Langfuse Assistant to automate the AI engineering loop
Compose skills, MCP servers and apps into agent plugins served from one central location
Version control with draft and published states for agent roles and skills
Role-based access control and permissions per plugin
Full activity audit logging attributed per user with exportable records
What makes it different
MIT licensed open source platform with no data lock-in
Enterprise scale architecture handling billions of monthly events
Works with any language and framework with no framework lock-in
Async by default so tracing never blocks your application
One central location eliminates duplicated skills across multiple AI interfaces
No model costs markup - agents use your own API keys and you pay providers directly
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