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Runheed vs LangSmith
LangSmith traces and evaluates LLM applications: prompts, runs, datasets and evals, priced per seat plus traces.
Runheed does one job: it gets production errors in front of your coding agent with the context it needs to fix them, and lets the agent close them.
| Runheed | LangSmith | |
|---|---|---|
| Entry paid plan | Solo $29/mo, 50,000 events, 30-day history | Plus $39 per seat per month plus usage |
| Free tier | No. 30-day money-back guarantee instead | Yes: 1 seat, 5k traces |
| MCP server for coding agents | Yes, on every plan | Yes, remote MCP server |
| Agent context on each error (agent, session, tool) | First-class fields the MCP tools return | Possible with custom tags or contexts |
| Overage billing | Never: events over the limit are rejected | See their pricing page |
Pick LangSmith if
- You are debugging prompts and model behavior
- You need evals and datasets
Pick Runheed if
- You are tracking exceptions in the code your agents write and run
- You want flat pricing that does not grow with seats
LangSmith details checked on 2026-10-08 from their pricing page. Prices change; check theirs before deciding. Trademarks belong to their owners.
See Runheed pricing