Compare › LangSmith
RunVouch vs LangSmith
LangSmith is LangChain's tracing, evaluation and prompt platform. RunVouch is the outside watchdog for the scheduled run: missed, failed, empty, looping or over budget.
| LangSmith | RunVouch | |
|---|---|---|
| Traces, evals, prompt hub, datasets | yes | no |
| Requires SDK / callbacks | yes | no |
| Missed-run / dead man's switch | no | yes |
| Evidence the task was done | no | yes |
| Retry-storm alert | you can find it in the trace | automatic |
| Hard cost cap + pause | no | yes |
| Works without LangChain | partially | yes, any command |
| Self-host | enterprise | yes (MIT) |
When to use which
They are complementary and many LangGraph users will want both: LangSmith for the trace, RunVouch for the alert that there is something to trace.
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