LangSmith
LLM application observability — debug, test, evaluate, and monitor AI apps and agents.
About LangSmith
LangSmith by LangChain is a platform for debugging, testing, evaluating, and monitoring LLM applications and AI agents. It provides tracing, prompt management, dataset curation, and automated evaluation.
Key Features
💰 Pricing
Free developer tier. Plus at $39/month. Enterprise custom.
Basic features with usage limits
Full features, higher limits, priority support
Custom deployment, team management, dedicated support
Frequently Asked Questions
Is LangSmith free?
What is LangSmith used for?
What platforms does LangSmith work on?
What are the best alternatives to LangSmith?
User Reviews
Loading reviews...
Questions & Answers
Questions submitted will appear here soon
Join the community to share knowledge about LangSmith
📊 Comparison vs Alternatives
| Feature | ||||
|---|---|---|---|---|
| Pricing | Freemium | Freemium | Freemium | Freemium |
| Rating | ⭐ 4.4 | ⭐ 4.8 | ⭐ 4.8 | ⭐ 4.6 |
| Free Tier | ✅ | ✅ | ✅ | ✅ |
| Popularity | 16% | 100% | 94% | 92% |
Are you the creator of LangSmith?
Claim this listing to get verified status, edit tool details, and track analytics.
Quick Stats
Categories
Alternatives & Similar
Stay Updated on the Best AI Tools
Get weekly recommendations and new tool alerts. No spam, ever.
Join thousands of professionals discovering AI tools weekly.