9.0
SpotScore
LangSmith Pricing Plans & Top Alternatives in 2026
LLM observability and evaluation platform for tracing, testing, and monitoring AI applications
Main Features
- API Integration
- Collaboration
- Dataset Management
- Human-in-the-Loop Review
Pricing
Starts from Freefree, also offers free forever plan
LangSmith Pricing
Free Trial
Not available
Starting Price
Free / free
Free Plan
✓ Free forever
Pricing Model
LangSmith Pricing Plans Explained
Need a plan for 50+ users?
Get volume pricing, dedicated onboarding, and a custom contract. Switching from another tool? LangSmith supports data import to get you set up quickly.
Pricing sourced from LangSmith's official website as of May 2026. For the latest pricing, visit their website.
Frequently Asked Questions (FAQs)
Stuck on something? We're here to help with all the questions and answers in one place.
LangSmith offers a free plan (Freemium) with core features at no cost. You can upgrade to a paid plan anytime to unlock advanced features and higher limits.
LangSmith offers Freemium, Subscription, Contact Sales pricing. Plans start from Free/free. View all LangSmith pricing plans →
The starting price of LangSmith is Freefree
Yes, LangSmith offers a free plan (Freemium) so you can start using core features at no cost. Paid plans unlock advanced functionality.
Most subscription-based tools including LangSmith offer a discount when you choose annual billing over monthly. Annual plans typically save 15–40% compared to paying month-to-month. Check LangSmith's pricing page for exact savings.
Most SaaS products including LangSmith allow you to cancel your subscription at any time. For monthly plans, cancellation typically takes effect at the end of the current billing cycle. For annual plans, refund policies vary — check LangSmith's terms or contact their support team for details.
LangSmith offers a free tier or trial that works well for small teams and startups just getting started. As you grow, paid plans provide more capacity and advanced features. See all plans to find the best fit.
LangSmith Support Options
Disclaimer: This research has been collated from a variety of authoritative sources. We welcome your feedback at [email protected].
