These tools integrates with
LangChainvsLangSmith
The leading LLM app framework versus LLM tracing, evaluation, and dataset management
Compare interactively in Explore →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
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
Side-by-side comparison
Field
LangChain
LangSmith
Category
Pipelines & RAG
LLM Infrastructure
Type
Open Source
Commercial
Free Tier
✓ Yes
✓ Yes
Pricing Plans
—
Plus: $39/mo
GitHub Stars
⭐ 93,000
—
LangChain
Most widely used framework for building LLM applications. Chains, agents, RAG pipelines, and deep integrations with 300+ tools.
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 LangChain (22)
OpenHandsCrewAIAutoGenSemantic KernelLangSmithLlamaIndexQdrantChromaPineconeWeaviate
Only LangSmith (6)
CursorLangChainPydanticAIHeliconeBraintrustWeights & Biases
Explore the full AI landscape
See how LangChain and LangSmith fit into the bigger picture — 123 tools, 304 relationships, all mapped.