Project comparison

Langfuse vs langchain

Compare adoption, momentum, maintenance health, and project basics before choosing which tool to evaluate deeper.

🪢 Open source AI engineering platform: LLM evals, observability, metrics, prompt management, playground, datasets. Integrates with OpenTelemetry, LangChain, OpenAI SDK, LiteLLM, and more. 🍊YC W23

Best matched with other agent tools.

31.7K

Stars

+4.7K

Weekly

89/100

Health

langchain

The agent engineering platform.

Best matched with other agent tools.

142.3K

Stars

+599

Weekly

86/100

Health

Quick Take

Adoption

langchain has the larger GitHub footprint with 142.3K stars.

Momentum

Langfuse is currently growing faster at +4.7K stars this week.

Maintenance

Langfuse has the stronger automated maintenance signal at 89/100. This is not a security or fit verdict.

Side-by-side evidence

Use these signals to narrow your choice, then confirm setup, license, and fit upstream.

Signal	Langfuse	langchain
Evidence status	Basic listing· 2d ago	Recently verified· 2d ago
GitHub stars	31.7K	142.3K
Weekly growth	+4.7K	+599
Health score	Strong89/100

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