LangSmith Pricing in 2026
Every plan LangSmith publishes, with the page and date we read it from. Prices we could not find on LangSmith's own site are marked "Not published", never guessed.
| Plan | Price | Billing | Limits | Source |
|---|---|---|---|---|
| Developer | Free | $0 / seat per month; then pay as you go | Up to 5k base traces / mo, then pay-as-you-go · 1 seat · Community support | langchain.com |
| Plus | $39 per month | $39 / seat per month; then pay as you go | Up to 10k base traces / mo, then pay-as-you-go · Add unlimited seats · Access to Deployment, Engine, and more | langchain.com |
| Enterprise | Not published | Custom pricing; then pay as you go | Self-hosted and hybrid deployment options · Custom SSO, ABAC, and RBAC · Support SLA · Custom seats and workspaces | langchain.com |