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123 tools · 10 stacks
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AI tools are all over the place. This is the full landscape — 123 tools across 12 categories, mapped and connected. Ready to narrow it down? Build your stack →

Stack Layers
What are you building and how is it defined?
How do you write and ship code?
How does your AI think and act?
Which models and infrastructure power it?
How do you build, observe, and extend it?
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These tools competes with
Langfuse
vs
LangSmith

Choose Langfuse when…

  • •You want open-source LLM observability
  • •Self-hosting your tracing stack is important
  • •You need cost tracking across models and users

Choose LangSmith when…

  • •You're already in the LangChain ecosystem
  • •You want end-to-end tracing for LangChain apps
  • •Dataset management and evals are part of your workflow
Field
Langfuse
LangSmith
Category
LLM Infrastructure
LLM Infrastructure
Type
OSS
SaaS
Free Tier
✓ Yes
✓ Yes
Plans
Cloud: $59/mo
Plus: $39/mo
Stars
⭐ 7,000
—

Langfuse

Open-source platform for tracing, evaluations, and prompt management. Self-hostable alternative to LangSmith with clean UX.

LangSmith

LangChain's observability platform. Trace every LLM call, run evals on datasets, and manage prompts in production.

Langfuse Website ↗GitHub ↗
LangSmith Website ↗

Shared Connections (6)

CursorLangGraphLangChainHeliconeBraintrustWeights & Biases

Only Langfuse (21)

Claude CodeOpenHandsCrewAIAutoGenLlamaIndexDifyMastraAgno

Only LangSmith (2)

PydanticAILangfuse
See full comparison in Explore →