# Langfuse

> Open-source tracing, evals and prompt management for LLM apps; self-host or cloud.

Canonical: https://thelocalbench.com/tools/langfuse · Data as of 2026-10-12 · The Local Bench (thelocalbench.com), data as of 2026-10-12, CC BY 4.0

Flags: [verified] checked against primary source · [sourced] cited · [estimate] formula · [sample] placeholder

- Category: Ops & evals / Observability
- Website: https://langfuse.com
- Repository: https://github.com/langfuse/langfuse
- Open source: yes, MIT core + proprietary ee/ [verified] https://github.com/langfuse/langfuse/blob/HEAD/LICENSE
- Pricing: open-core, starting $0, $29–$2,499 / month (cloud) [sourced] https://langfuse.com/pricing
- Platforms: Linux, Docker [sourced] https://github.com/langfuse/langfuse#readme
- Added 2026-10-13, last verified 2026-10-13
- Sponsored: no

## Works with local models

| Integration | Status | Flag | Source |
|---|---|---|---|
| Ollama | yes | [verified] | https://langfuse.com/integrations/model-providers/ollama |
| llama.cpp | not yet confirmed | [not_measured] |  |
| LM Studio | not yet confirmed | [not_measured] |  |
| OpenAI-compatible | not yet confirmed | [not_measured] |  |
| MCP | yes | [sourced] | https://github.com/langfuse/langfuse#readme |

JSON: https://thelocalbench.com/api/v1/tools/langfuse.json

Logo: trademark of its owner, shown to identify the tool (source: favicon-svg, https://langfuse.com/langfuse_icon.svg).