Websites & web apps Co-created
Chatbot Arena
Two anonymous chatbots answer the same prompt, you pick the better one, and millions of such votes produce the leaderboard the industry watches.
Where the human came in
Researchers designed the blind comparison, the rating system and the open data; the public does the judging.
Why it is not slop
The most honest measure of AI quality is a human who does not know which model is talking. The site made that a habit.
Seed entry: written from public sources and awaiting editorial review.