These tools competes with

LangSmithvsBraintrust

LLM tracing, evaluation, and dataset management versus AI evaluation platform with datasets and prompt mgmt

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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 Braintrust when…

  • You want eval-first development with a full platform
  • Prompt experiments and dataset management are central
  • You're building eval pipelines alongside your product

Side-by-side comparison

Field
LangSmith
Braintrust
Category
LLM Infrastructure
LLM Infrastructure
Type
Commercial
Commercial
Free Tier
✓ Yes
✓ Yes
Pricing Plans
Plus: $39/mo
Team: Paid
GitHub Stars
Health

LangSmith

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

Braintrust

End-to-end evaluation platform for AI products. Manage datasets, run evals, and track prompt versions across experiments in a clean interface.

Shared Connections1 tools both integrate with

Only LangSmith (8)

LangGraphLangChainCursorPydanticAIBraintrustHeliconeWeights & BiasesAgentOps

Only Braintrust (1)

LangSmith

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See how LangSmith and Braintrust fit into the bigger picture — 207 tools, 452 relationships, all mapped.

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