LangSmith
LLM observability and evaluation platform by LangChain with tracing, testing, prompt management, and deployment
LangSmith doesn't publish a pricing.md file yet.
This pricing data is community-maintained and last verified 2026-10-11.
Pricing Tiers
| Tier | Price | Includes | Overage |
|---|---|---|---|
|
Developer
free
|
Free
|
Traces Per Month: 5,000
Seats: 1
Fleet Agents: 1
Fleet Runs Per Month: 50
|
— |
|
Plus
per seat
|
$39/mo
+ $39/seat
|
fleet-runs: 500 runs
Traces Per Month: 10,000
Workspaces: 3
Fleet Runs Per Month: 500
|
extended-traces: $2.5/1,000 per traces
fleet-runs: $0.05 per runs
deployment-runs: $0.005 per runs
|
|
Enterprise
custom
|
Contact Sales
|
— | — |
Portability
Switching Cost
moderate
Open Standard
Proprietary
What You Lose
Trace history, evaluation datasets, prompt versions, deployment configs, fleet agents
Transparency Score
C
45/100
Pricing Transparency Score
Score breakdown
✕
Publishes pricing.md
0/30
✓
Free tier available
10/10
✕
All prices public
0/15
✓
Usage pricing documented
15/15
✓
Portability documented
10/10
✕
Open standard
0/10
✓
Recently verified
10/10