Provider pricing

Langfuse AI API pricing

Langfuse is the leading open-source LLM observability platform, offering tracing, prompt management, evals, datasets, and a playground under the MIT license. Langfuse Cloud is free up to 50k observations/month, with usage-based Pro and Team tiers above that; self-hosted deployments are unrestricted and used by Khan Academy, Samsara, and Twilio.

Founded2022
HeadquartersBerlin, Germany
Tracked modelsDirectory

Best for

Engineering teams that want production-grade LLM observability without vendor lock-in.

Strengths

  • MIT-licensed — fully self-hostable with no feature gating
  • OpenTelemetry-native — integrates with LangChain, LlamaIndex, OpenAI SDK
  • Prompt management with versioning, A/B tests, and rollouts
  • Generous 50k-observation free cloud tier for early-stage teams