LangSmith tracks every LLM run, runs evals on datasets, and monitors quality drift in production.
How LangSmith Evals compares with its closest alternatives
All 5 closest alternatives have a free plan, as LangSmith Evals does. Only Gumloop lists a starting price, $97 a month. All 5 offer an API, as LangSmith Evals does. LangSmith Evals offers a web app. Of the alternatives, all 5 offer a web app. LangSmith Evals was founded in 2023; the alternatives were founded between 2022 and 2024, 3 of them earlier. LangSmith Evals is based in San Francisco, United States; 4 of its 5 alternatives are in the United States too, and the others in France.
Market position · Agents
How LangSmith Evals compares in Agents
LangSmith Evals has high opportunity and sits in the middle third of 423 live Agents tools on FalcoScan. Across Agents, the average opportunity score is 72.6 and the average saturation score 31.5. FalcoScan rates LangSmith Evals's own market position as open. 179 of the 423 operating Agents tools have hot momentum, and FalcoScan has recorded 15 shutdowns in the category.
LangSmith Evals compared with its closest alternatives
Product
Opportunity
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Free plan
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Momentum
LangSmith EvalsFounded 2023 · San Francisco, United States
What are the best alternatives to LangSmith Evals?
The closest alternatives to LangSmith Evals that are still running, matched on the AI capabilities, uses and audience they share, are Braintrust Eval AI, Clay AI Agent, Dust, Gumloop, and Chroma.
Is LangSmith Evals still running?
Yes. As of 2 November 2026, FalcoScan lists LangSmith Evals as operating at smith.langchain.com.
Where is LangSmith Evals based?
LangSmith Evals is headquartered in San Francisco, United States.
Does LangSmith Evals have an API?
Yes. LangSmith Evals offers an API.
Who is LangSmith Evals for?
LangSmith Evals is built for developers.
How do I sign in to LangSmith Evals?
Sign in on LangSmith Evals's own website, smith.langchain.com. FalcoScan reviews LangSmith Evals but does not run its accounts, so logins, passwords and billing are handled by LangSmith Evals directly.