LangSmith vs LLM Stats

A side-by-side look at pricing, capabilities, pros, cons, and our editorial scores.

	LangSmith Evaluation	LLM Stats Evaluation
Tagline	LangChain's eval + observability platform.	Live leaderboard and side-by-side comparison hub for 300+ frontier LLMs across reasoning, coding, and multimodal benchmarks.
Category	Evaluation	Evaluation
Pricing	Freemium· Free starter; Plus $39/mo per seat	Free· Free to browse; underlying model usage billed by each provider
Model	Platform (any LLM)	Multi-model
Editorial score	8.7 / 10	—
Use cases	LLM tracingevalsLangChain integration	model-comparisonbenchmark-trackingcost-analysiscoding-arenamodel-selection
Pros	Tight LangChain integration Strong tracing UX Mature dataset/eval flows Reasonable per-seat pricing	Covers 300+ models with both benchmark scores and live latency/throughput Side-by-side price-per-million-token columns make cost comparison trivial Task-specific leaderboards (coding, math, research) instead of one global rank Interactive arenas let you sanity-check outputs before committing to a provider
Cons	Best value if you're on LangChain UI can feel dense	Relies on public benchmarks that frontier labs increasingly train against Leaderboard itself is not open source and methodology is lightly documented No first-party cost calculator or workload simulator for real traffic patterns
Website	www.langchain.com	llm-stats.com

Pick LangSmith if

Pick LLM Stats if

✅ Covers 300+ models with both benchmark scores and live latency/throughput
✅ Side-by-side price-per-million-token columns make cost comparison trivial
✅ Task-specific leaderboards (coding, math, research) instead of one global rank
✅ Interactive arenas let you sanity-check outputs before committing to a provider