langfuse.com
Langfuse
Trace, evaluate, and improve AI agents in one open-source platform
Langfuse helps teams trace AI calls, evaluate agents, manage prompts, and monitor costs and latency. Available in the cloud or self-hosted, it includes datasets, experiments, dashboards, and API access.
AI observabilityDetails read from the tool's own site · 6 Nov 2026
Visit website- Pricing
- Freemium
- From
- $29 / month
- Free tier
- Yes
- Platforms
- web, api
- API
- Yes
- Open source
- Yes
- Tags
- observability, agent evaluation, tracing, prompt management, cost tracking, open source, self-hosted, experiments
Checked pages: /, /pricing
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