The AI Models Index tracks 178 model releases with verified public release...

https://wiki-dale.win/index.php/What_Does_a_95%25_Confidence_Band_Mean_on_LMArena%3F

The AI Models Index tracks 178 model releases with verified public release dates and blind-vote checks, so you can compare results before upgrading. Its 56% improvement rate helps you judge when a new version is worth the switch—and when to wait.