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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 integrates with
LangChain
vs
LangSmith

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
Field
LangChain
LangSmith
Category
Pipelines & RAG
LLM Infrastructure
Type
OSS
SaaS
Free Tier
✓ Yes
✓ Yes
Plans
—
Plus: $39/mo
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.

LangChain Website ↗GitHub ↗
LangSmith Website ↗

Shared Connections (2)

LangGraphLangfuse

Only LangChain (22)

OpenHandsCrewAIAutoGenSemantic KernelLangSmithLlamaIndexQdrantChroma

Only LangSmith (6)

CursorLangChainPydanticAIHeliconeBraintrustWeights & Biases
See full comparison in Explore →