Summary: LMArena launches public AI model comparison tool

Why It Matters: The site moved from a security landing page to a live product. Users can now test different AI models side-by-side and see a public leaderboard.

What Changed:

• Added a "Battle" mode to compare answers from different AI models.
• Launched a public leaderboard to rank AI performance.
• Added a login system for users.
• Included a social media link to follow for AI news.
• Added clear privacy warnings about how data is shared with AI providers.