
The crowdsourced open platform for evaluating LLMs through human preference
Identify issues in your site’s UX
LM Arena: The crowdsourced open platform for evaluating LLMs through human preference. 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. LM Arena is free and UX Ray is free.
The best choice between LM Arena 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.
LM Arena offers: Blind model comparison, Elo rating leaderboard, Multi-model chat interface. 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, UX Ray currently enjoys greater popularity. However, popularity isn't the only factor — compare features to find the right tool for your needs.