LangSmith Pricing Calculator 2026
Estimate your total cost including hidden fees
The LangSmith calculator estimates the cost of your selected plan. Change the team size where pricing is per person, choose an available billing period, and add reported extras that apply to your contract.
Enter your requirements below to see the recurring cost and first-year total. Unverified extras are excluded.
- Plans: 3 tiers; Free–$39/seat/month + per trace
- LangGraph Platform Separate Pricing: 10-25% of license costs
- Hosted Platform Features Not Disclosed Pre-Login: $39/month
Reported extras may depend on your usage and contract. Confirm the final quote with LangSmith.
LangSmith pricing ranges from $0 to $39 per seat/month + per trace as of September 2026. LangSmith offers 3 pricing tiers. Reported extras are shown below. Only costs with a clear amount and billing basis can be added to the estimate. Pricing verified from 1 sources by CostBench.
Your Estimate
Cost Breakdown
Includes one-time costs (implementation, training)
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LangSmith Pricing by Team Size
Here's what LangSmith costs for different team sizes, based on the Plus plan:
| Team Size | Monthly Cost | Annual Cost |
|---|---|---|
| 5 seats | $195/mo | $2,340/yr |
| 10 seats | $390/mo | $4,680/yr |
| 25 seats | $975/mo | $11,700/yr |
| 50 seats | $1,950/mo | $23,400/yr |
| 100 seats | $3,900/mo | $46,800/yr |
| 250 seats | $9,750/mo | $117,000/yr |
| 500 seats | $19,500/mo | $234,000/yr |
Prices based on LangSmith Plus plan at $39/seat/month + per trace. Verified August 2026.
Real-World LangSmith Cost Examples
Solo Developer
$0$0/month (Developer plan)
Individual developer using LangSmith for prompt versioning, tracing, and debugging LLM/LangChain applications with no team collaboration needs.
Current tier dataSmall Dev Team
$39$39/month (Plus plan)
Small team requiring Plus plan features for collaborative LLM observability, prompt management, and expanded usage limits.
Current tier dataSmall Team (3–5 Developers)
$117$117–$195/month (3–5 users × $39/user/month on Plus plan)
A small team sharing prompt management and collaborative tracing on the Plus plan.
Current tier dataMid-Size Engineering Team (10 Developers)
$390$390/month ($39/user/month × 10 users on Plus plan)
A 10-person engineering team using LangSmith Plus for production-scale LLM observability, prompt version control, and shared debugging workflows.
Current tier dataCompare at This Team Size
Frequently Asked Questions
01 How accurate is this LangSmith pricing calculator?
This calculator uses official LangSmith pricing data verified as of 2026-08-18. Hidden cost estimates are based on 2 verified cost categories from real user reports. Actual costs may vary based on negotiated discounts, specific feature requirements, and implementation complexity.
02 What hidden costs should I include in my LangSmith budget?
Our calculator includes 1 verified hidden cost categories for LangSmith: Hosted Platform Features Not Disclosed Pre-Login. Toggle each to see how they affect your total cost.
03 Should I choose monthly or annual billing for LangSmith?
Compare the published annual total with twelve monthly payments when both are available. An annual commitment may reduce flexibility; confirm cancellation terms and whether the quoted plan fits your needs.
04 How do I know which LangSmith tier I need?
Start with your must-have features. LangSmith offers 3 tiers ranging from $0 to $39/seat/month + per trace. Entry tiers work for basic needs, while enterprise tiers add advanced security, customization, and support.
05 Can I negotiate LangSmith pricing below calculator estimates?
Negotiated pricing depends on the vendor, plan and contract. We do not assume a discount in this estimate. See our negotiation guide for tactics.