- For hobbyist projects by solo devs
- First 5k traces included
- Tracing to debug agent execution
- Continuous evals, online and offline
- Prompt Hub, Playground, and Canvas
- Annotation queues for human feedback
- Monitoring and alerting
LangSmith
0
LangSmith provides a robust platform for developers to create, test, and refine AI applications efficiently, incorporating powerful analytics and collaborative tools.
AI Memory Systems
AI Platforms & Frameworks
Observability & Monitoring
Predictive Analytics
#Application Testing
#application behavior analysis
#collaborative development tools
#software testing solutions
#analytics for developers
#AI application insights
#Seamless Integration
#performance optimization
#agile development support
#Team collaboration
#developer tools suite
#streamlined development workflow
#User Experience Improvement
#AI Development Tools
#dev team productivity
#integrated testing platform
#real-time performance tracking
#AI solution enhancement
#development efficiency
...
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What is LangSmith?
LangSmith is designed for AI developers, offering a suite of tools to streamline application development. With features such as application testing, performance analytics, and team collaboration, it simplifies the testing and optimization processes. By providing users with insights into application behavior, LangSmith enables developers to enhance their AI solutions effectively. This ensures a better user experience and higher adoption rates for AI applications.
Who will use LangSmith?
- AI Developers
- Data Scientists
- Product Managers
- Research Teams
How to use the LangSmith?
- Step1: Sign up for a LangSmith account.
- Step2: Create a new AI application project.
- Step3: Upload your application code and necessary data.
- Step4: Use the testing tools to assess performance.
- Step5: Analyze the results and make necessary adjustments.
- Step6: Collaborate with your team using the platform's features.
Platform
- Web
- Mac
- Windows
LangSmith's Core Features & Benefits
The Core Features
- Application testing tools
- Performance analytics
- Team collaboration features
- Code integration
The Benefits
- Streamlines AI application development
- Improves performance insights
- Facilitates team collaboration
LangSmith's Main Use Cases & Applications
- AI application development
- Performance testing
- Project management
LangSmith's Pros & Cons
The Pros
Unified platform for observability and evaluation of AI agents.
Detailed tracing and debugging of LLM app behavior.
Supports human feedback and automated LLM-as-Judge evaluation.
Collaborative tools for prompt experimentation and improvement.
Flexible deployment with hybrid and self-hosted options.
API-first and OTEL-compliant to integrate with existing DevOps tools.
Does not add latency to AI applications.
The Cons
Not open-source, limiting customization and community contributions.
No direct mobile or app store presence mentioned.
Limited information on potential pricing tiers and costs.
LangSmith's Pricing
| Has free plan | YES |
|---|---|
| Free trial details | |
| Pricing model | Freemium |
| Is credit card required | No |
| Paid from | 0 USD |
| Has lifetime plan | No |
| Billing frequency | Monthly |
Details of Pricing Plan
Developer
0 USDPlus
39 USD- Batteries-included tooling for building reliable agents fast
- First 10k traces included
- Up to 10 seats
- Higher rate limits for LangSmith traces
- 1 dev-sized LangGraph Platform deployment included
- Email support
- Everything in Developer plan
Enterprise
0 USD- For teams with advanced deployment, security, and support needs
- Custom pricing
- Alternative deployment options including hybrid and self-hosted
- Custom SSO and RBAC
- Access to deployed engineering team
- Support SLA
- Team trainings and architectural guidance
- Everything in Plus plan
FAQs of LangSmith
LangSmith Company Information
Analytic of LangSmith
Visit Over Time
Monthly Visits
3154.5k
Avg Visit Duration
00:05:59
Page Per Visit
6.63
Bounce Rate
42.16%
Feb 2026 - Apr 2026 All Traffic
Geography
Top 5 Regions
United States
20.12%
China
18.35%
India
17.62%
Korea, Republic of
3.24%
France
2.53%
Feb 2026 - Apr 2026 Worldwide Desktop Only
Traffic Sources
Direct
39.80%
SearchOrganic
36.97%
Referrals
14.57%
SocialOrganic
4.52%
GenAi
2.20%
Mail
1.06%
SearchPaid
0.50%
DisplayAds
0.31%
SocialPaid
0.08%
Affiliate
0.00%
Feb 2026 - Apr 2026 Desktop Only
Top Keywords
| Keyword | Traffic | Cost Per Click |
|---|---|---|
| langchain | 373.6k | $ 1.19 |
| langgraph | 210.2k | $ 1.66 |
| langsmith | 84.8k | $ 2.38 |
| langchain docs | 8.5k | $ 1.10 |
| langraph | 17.3k | $ 2.06 |
LangSmith Reviews
5/5
LangSmith's Main Competitors and alternatives?
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