What is Langfuse?
Tracing, evaluation, prompt management and metrics for LLM apps — open source and self-hostable.
Langfuse is listed in the Code & Dev category of ZORGO AI's AI tools directory, where it ranks #22 of 117 AI coding tools.
Langfuse key features
- Tracing
- Evaluations
- Prompt management
- Cost tracking
What can you use Langfuse for?
- Debugging LLM apps
- Prompt iteration
- Production monitoring
- Evals
Langfuse pricing
Langfuse has a free plan, with paid plans that unlock more features and higher usage limits.
Prices change often — always confirm the latest plans on the official Langfuse website.
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Langfuse FAQ
Is Langfuse free?
Partly. Langfuse has a free plan, with paid plans that unlock more features and higher usage limits.
What is Langfuse used for?
People mainly use Langfuse for debugging LLM apps, prompt iteration, production monitoring and evals. Tracing, evaluation, prompt management and metrics for LLM apps — open source and self-hostable.
What are the best Langfuse alternatives?
Popular Langfuse alternatives include PyTorch, Claude Code and Cursor. See all 117 AI coding tools ranked on our Best AI Coding Tools (2027) list.