The AI Models Index tracks model releases and upgrade results, using verified...

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

The AI Models Index tracks model releases and upgrade results, using verified public release dates and blind-vote checks to make comparisons fair. See 178 releases and a 16% regression rate before deciding whether a new version is worth the switch.