Watch+1.6k this weekโ˜… 33,833 ยท 3,657 forks

AI engineering platform for LLMs

Real, but not yet worth your team's attention.

Who it's for

small teams with LLM workloads

What it replaces

manual LLM evals and metrics

The catch

unclear custom license may limit commercial use

Your first hour

review the LICENSE file carefully

Licence check

Custom / check the LICENSE file. GitHub could not identify a standard licence for this repository, which usually means a custom or source-available one. Read the LICENSE file before you build on it.

This is a reading of the licence label, not legal advice.

The numbers

Stars33,833
Forks3,657
Stars added (7d)+1.6k
Open issues832
LanguageTypeScript
LicenceCustom / check the LICENSE file
Last pushUpdated 2 days ago
Project age3 years old

Maintainers describe it as: โ€œ๐Ÿชข Open source AI engineering platform: LLM evals, observability, metrics, prompt management, playground, datasets. Integrates with OpenTelemetry, LangChain, OpenAI SDK, LiteLLM, and more. ๐ŸŠYC W23 โ€

analyticsautogenevaluationlangchainlarge-language-modelsllama-indexllmllm-evaluationllm-observabilityllmops

langfuse, in short

Should a small team use langfuse?
Watch. Real, but not yet worth your team's attention. small teams with LLM workloads
What does langfuse actually do?
AI engineering platform for LLMs
What does langfuse replace?
manual LLM evals and metrics
What is the downside of langfuse?
unclear custom license may limit commercial use
Can langfuse be used in a commercial product?
Its licence is Custom / check the LICENSE file, which carries obligations or restrictions for commercial use. Read the LICENSE file, and get a lawyer's read before you ship it inside a product you sell.

Weighed against

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Stars, forks, licence and last-push data from the public GitHub API, refreshed August 28, 2026. The verdict is NoizeOff's editorial opinion for a team of 2โ€“20, not advice from the project's maintainers, and not legal advice on licensing. We are not affiliated with langfuse.

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