At a glance
- Langfuse is listed under LLM observability, alongside Braintrust, Confident AI and Helicone.
- Langfuse has a free plan.
- Langfuse's lowest paid plan is Core at $29 per month, as of November 14, 2026.
- Langfuse works with OpenAI, LangChain, LiteLLM, Anthropic, OpenRouter and others.
- Langfuse's main features: Evaluation, Prompt management, AI gateway, Experiments, Human annotation.
- Langfuse's website lists SOC 2, ISO 27001, GDPR, HIPAA and SSO.
- Langfuse has a public API.
- Langfuse can be self-hosted.
Facts from langfuse.com, checked November 14, 2026.
AI summary
The summary writes itself once 5 people have reviewed this tool.
It's built only from what reviewers say: who it's best for, who should think twice, and what comes up again and again.
Reviews needed for a summary0 of 5
