
AI Agent & LLM Observability Platform
Identify issues in your site’s UX
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.