These tools competes with
LangSmithvsHelicone
LLM tracing, evaluation, and dataset management versus LLM observability, cost tracking, request logging
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 Helicone when…
- •You want one-line LLM observability setup
- •Caching LLM responses to cut costs matters
- •You're an early-stage startup optimizing quickly
Side-by-side comparison
Field
LangSmith
Helicone
Category
LLM Infrastructure
LLM Infrastructure
Type
Commercial
Open Source
Free Tier
✓ Yes
✓ Yes
Pricing Plans
Plus: $39/mo
Pro: Usage-based
GitHub Stars
—
⭐ 2,500
Health
—
●80 — Active
LangSmith
LangChain's observability platform. Trace every LLM call, run evals on datasets, and manage prompts in production.
Shared Connections1 tools both integrate with
Only LangSmith (8)
LangGraphLangChainCursorPydanticAIBraintrustHeliconeWeights & BiasesAgentOps
Only Helicone (7)
LiteLLMOpenAI APIAnthropic APILangSmithArize PhoenixTraceloopLogfire
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