Langfuse
Observability and analytics platform for LLM applications.
Category
Observability
Pricing
Open-source with hosted plans.
Best for
Teams tracking quality, cost, and traces in production.
Overview
Langfuse helps teams monitor prompts, outputs, and token usage to improve LLM quality and cost control.
Standout features
- Tracing for end-to-end LLM workflows.
- Prompt management with versioning.
- Dashboards for latency and cost insights.
Typical use cases
- Debugging multi-step LLM pipelines.
- Tracking prompt performance over time.
- Auditing model usage for compliance.