LangSmith
Tracing, evaluation, and prompt-engineering platform for debugging and monitoring LLM applications, tightly coupled with LangChain/LangGraph.
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 recordedWhat 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?
- 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
- langchain.comVendor-published · retrieved 2026-08-01
- anudeepsri.medium.comIndependent · retrieved 2026-08-01
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 →