The AI Models Index tracks the pace and quality of AI releases, showing a new...

https://web-wiki.win/index.php/Why_Does_the_Index_Say_LMArena_Compresses_at_the_Top_of_the_Scale%3F

The AI Models Index tracks the pace and quality of AI releases, showing a new model every 4.5 days on average in 2026. It reveals a 56% improvement rate and a 16% chance of regression, with a median LMArena gain of +9.3 points