LangSmith
AI Agent & LLM Observability Platform
VS
UX Ray
Identify issues in your site’s UX
Detailed comparison
Criteria
LangSmith
UX Ray
Pricing
Freemium
Free
Plans & pricing
Developer: Free, Team: $39/mo, Enterprise: Custom
—
Free trial
No
—
Audience
b2b
b2b
Platforms
Web
—
API
Yes
—
Open Source
Proprietary
—
Integrations
Pagerduty
—
Categories
Data Science, Dev Tools
Design, SEO
Popularity
Very High
High
Description
LangSmith is a complete AI agent and LLM observability platform. It offers tracing and real-time monitoring to help developers debug agents, find fail...
UX Ray is a free browser extension by Baymard Institute designed to help UX teams, designers, and developers quickly identify and resolve usability is...
Pricing
LangSmith
Freemium
UX Ray
Free
Plans & pricing
LangSmith
Developer: Free, Team: $39/mo, Enterprise: Custom
UX Ray
—
Free trial
LangSmith
No
UX Ray
—
Audience
LangSmith
b2b
UX Ray
b2b
Platforms
LangSmith
Web
UX Ray
—
API
LangSmith
Yes
UX Ray
—
Open Source
LangSmith
Proprietary
UX Ray
—
Integrations
LangSmith
Pagerduty
UX Ray
—
Categories
LangSmith
Data Science, Dev Tools
UX Ray
Design, SEO
Popularity
LangSmith
Very High
UX Ray
High
Description
LangSmith
LangSmith is a complete AI agent and LLM observability platform. It offers tracing and real-time monitoring to help developers debug agents, find fail...
UX Ray
UX Ray is a free browser extension by Baymard Institute designed to help UX teams, designers, and developers quickly identify and resolve usability is...
Features
LangSmith
Cost tracking
Online LLM-as-judge and code evals
Tool and agent trajectory monitoring
Webhook and Pagerduty alerts
Message threading for multi-turn chat interactions
Templates for error analysis
UX Ray
Highlights design elements and common usability issues directly on your site
Provides direct links to Baymard's premium research and best practices for solutions
Color-coded indicators for identified issues and their severity
Integrates insights from 77,000+ hours of UX research and testing
Aids in quickly identifying and resolving UX problems
Available as a browser extension for Chrome and Edge
Key differentiators
LangSmith
- Complete AI agent & LLM observability
- Real-time tracing, debugging & evals
- Cost, latency & trajectory monitoring
UX Ray
Other comparisons
FAQ: LangSmith vs UX Ray
LangSmith: AI Agent & LLM Observability Platform. UX Ray: Identify issues in your site’s UX. Both tools take different approaches to address similar needs.
Both offer a free or freemium plan. LangSmith is freemium and UX Ray is free.
The best choice between LangSmith and UX Ray depends on your specific needs. Compare their features, pricing, and target audience on this page to find the tool that best fits your use case.
Both are primarily designed for individuals. The choice depends on which specific features you need.
LangSmith offers: Cost tracking, Online LLM-as-judge and code evals, Tool and agent trajectory monitoring, Webhook and Pagerduty alerts. UX Ray offers: Highlights design elements and common usability issues directly on your site, Provides direct links to Baymard's premium research and best practices for solutions, Color-coded indicators for identified issues and their severity, Integrates insights from 77,000+ hours of UX research and testing.
Based on our data, LangSmith currently enjoys greater popularity. However, popularity isn't the only factor — compare features to find the right tool for your needs.