The latest AI Models Index shows we’re seeing a new model roughly every 4.5...

https://wiki-aero.win/index.php/How_Do_I_Use_LMArena_Data_Without_Fooling_Myself%3F

The latest AI Models Index shows we’re seeing a new model roughly every 4.5 days in 2026, highlighting how fast this space moves. While 56% of updates bring measurable improvements, about 16% actually cause regressions