LangSmith Free tier
LLM observability
Free savings estimate · 2 minutes
See what you’d save on LangSmith in 2 minutes
Model LangSmith against your hosts, GB and seats using the same verified rates on this page. Free top-line range; full report $149.
Free tier
Developer
$0/seat; up to 5k base traces/mo; 1 seat
Gotchas
- Max 1 seat on free
- Single-user limit: you pay as soon as a second person needs access.
Get alerted when LangSmith changes its pricing
We re-check LangSmith’s pricing page every week. The newsletter tells you the moment its free tier or prices move.
O11y Watch Pro
Same-day alerts + full history for LangSmith
Pro emails you within a day of a detected change (not weekly) and gives you the full snapshot history and CSV/JSON exports for all 73 vendors.
See Pro — $6/moChange timeline
- Baseline snapshot of pricing page saved and plan verified.