Activeverified July 17, 2026
LangSmith free tier
The Developer plan includes 5,000 base traces per month for one free seat. Limited Fleet and Sandbox use is included; Fleet’s included monthly LCU covers its underlying model costs.
5K traces/moAlways freeUsage-based
Free-tier allowances
- Base traces
- 5,000 traces per month
- 5,000 base traces monthly for one free seat.
- Evidence: official pricing page (accessed 2026-09-13)
Requirements and restrictions
Restrictions
- External model calls outside included Fleet usage may be billed by the model provider.
Provider snapshot
Also serves: observability, inference, infrastructure, agents
Developer experience
Developer includes 5,000 traces monthly and one free seat. Model calls made outside included Fleet use can incur separate provider charges.
Features
- 5,000 base traces per month
- One free Developer seat
- Limited Fleet and Sandbox use
Core products
Official links and evidence
- LangSmith official pricing page — pricing, accessed 2026-09-13Official source reviewed for the recorded free-tier claim.
- LangSmith official website page — website, accessed 2026-07-17Official provider destination recorded during verification.
Categories
Subcategories: evaluation, observability, inference, infrastructure, agents