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LangSmith

Tracing, evaluation, and prompt-engineering platform for debugging and monitoring LLM applications, tightly coupled with LangChain/LangGraph.

Independentmedium confidenceVerified 2026-08-01

This is where the depth lives — everything below is evidence-graded

How the product is positioned

Tracing, evaluation, and prompt-engineering platform for debugging and monitoring LLM applications, tightly coupled with LangChain/LangGraph.

Our summary of the vendor’s positioning — verbatim claim not yet recorded

What we found

Level 1 · assistive

Seeded at the rubric default. No independent evidence of end-to-end task completion has been reviewed yet, so the lowest grade applies until it is.

Any human checkpoint here is a product setting, not a regulatory requirement — confirm how it is configured for your deployment.

Graded 2026-08-01 · re-check 2026-11-01

Procurement detail

Deployment
saasvendor documentation
Compliance
SOC 2report dates not disclosed — request before signing
Integrations
LangGraph claim unverifiedOpenAI claim unverifiedAnthropic claim unverifiedany LLM claim unverified
Pricing
usageFree developer tier; usage-based (per trace) paid plans, enterprise self-hosted licensing.
Human checkpoint
Requiredproduct setting
Named customers
Klarna, Replitfrom cited sources

Will they still be here?

Independent
Funding
Privately held (same entity as LangChain); Series B (2025)
Founded
2023
HQ
San Francisco, USA

Sources

Logo retrieved 2026-08-01from the vendor’s own site · trademark of LangChain

Where it’s weak

Perceived as most useful within the LangChain ecosystem specifically vs. framework-agnostic tools.

Corrections

Vendors may submit factual corrections free of charge. We correct facts and publish the change. We do not accept payment to change a grade. Submit a correction →