Langfuse
Open-source LLM engineering platform: traces and sessions for LLM apps and agents with token and cost tracking, prompt management, datasets, LLM-as-judge and human evals; OpenTelemetry-based, self-host free or use Langfuse Cloud in the US, EU or Japan.
- Category
- Analytics & MonitoringProduct analytics, error tracking and observability.
- Website
- langfuse.comOfficial site, opens in a new tab.
- Pricing
- See official siteWe only list verified pricing.
Part of the AI Agent Infrastructure collection.
On the LLM observability tools list.
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