How Much Does LangSmith Cost?
LangSmith pricing ranges from a free developer tier to enterprise plans for teams.
LangSmith pricing breakdown (2026)
| Plan | Price | What you get |
|---|---|---|
| Developer | $0 | Up to 5K traces/month, basic features |
| Plus | $39/seat/mo | 50K traces, evals, datasets |
| Enterprise | Custom | Unlimited, SSO, dedicated support |
Is LangSmith worth it?
LangSmith's developer tier is generous for getting started. For pure cost control (not tracing), sipi.bot is purpose-built and cheaper at scale.
Hidden costs to watch for
- Overage charges: many plans bill per-unit once you exceed limits — read the fine print
- Seat-based add-ons: admin seats, API seats, and viewer seats are often priced separately
- Integration premiums: connecting to certain data sources or tools may require a higher tier
- Annual lock-in: monthly billing is often 20-30% more expensive than annual
Cost-conscious alternative: sipi.bot offers a free tier for spend firewall with transparent, predictable pricing. See pricing →