Home / Agent audit & observability / LangSmith
LangSmith
Agent and LLM observability with tracing and real-time monitoring.
Commercial
| Category | Agent audit & observability |
|---|---|
| Official site | www.langchain.com/langsmith/observability |
| Maker | LangChain |
| Ownership / acquisition | Not published / not yet verified |
| License model | Commercial |
| License | Not published / not yet verified |
| Public pricing | Developer $0/seat; Plus $39/seat/mo; Enterprise |
| Source code | Not published / not yet verified |
| Last verified | 2026-10-17 |
Facts are taken from the vendor's own site, GitHub, or a linked public source. Blank means we could not confirm it, not that it does not exist. Vendors can request a correction for free.
Lab result
Not yet tested. When we test a tool we run our attack batteries (prompt injection, indirect injection, MCP tool poisoning and more) and publish the result here, good or bad.