These tools integrates with
LangSmithvsLangChain
LLM tracing, evaluation, and dataset management versus The leading LLM app framework
Compare interactively in Explore →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
Choose LangChain when…
- •You want a broad, flexible LLM orchestration toolkit
- •You need integrations with many tools and data sources
- •You're prototyping or exploring LLM app patterns
Side-by-side comparison
Field
LangSmith
LangChain
Category
LLM Infrastructure
Pipelines & RAG
Type
Commercial
Open Source
Free Tier
✓ Yes
✓ Yes
Pricing Plans
Plus: $39/mo
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GitHub Stars
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⭐ 93,000
Health
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●85 — Active
LangSmith
LangChain's observability platform. Trace every LLM call, run evals on datasets, and manage prompts in production.
Shared Connections2 tools both integrate with
Only LangSmith (7)
LangChainCursorPydanticAIBraintrustHeliconeWeights & BiasesAgentOps
Only LangChain (27)
OpenHandsCrewAIAutoGenSemantic KernelLangSmithLlamaIndexQdrantChromaPineconeWeaviate
Explore the full AI landscape
See how LangSmith and LangChain fit into the bigger picture — 207 tools, 452 relationships, all mapped.