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235 tools · 33 stacks

AI tools are all over the place. This is the full landscape — 247 tools across 21 categories, mapped and connected. Ready to narrow it down? Build your stack →

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What are you building and how is it defined?
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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
Observability
Observability
Type
OSS
SaaS
Free Tier
✓ Yes
✓ Yes
Plans
Cloud: $59/mo
Plus: $39/mo
Stars
⭐ 7,000
—
Health
●95 — Active
—
Trajectory
— not enough data
— not enough data
Synced
today
—

Langfuse

Open-source platform for tracing, evaluations, and prompt management. Self-hostable alternative to LangSmith with broad framework support. Acquired by ClickHouse in January 2026; OSS core continues with deeper ClickHouse-backed analytics.

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 (7)

CursorLangGraphLangChainHeliconeBraintrustWeights & BiasesAgentOps

Only Langfuse (22)

CrewAIAutoGenLlamaIndexDifyMastraAgnoLiteLLMPortKey

Only LangSmith (2)

PydanticAILangfuse
See full comparison in Explore →