The AI Models Index shows that in 2026, new AI models are launching every 4.5...

https://wiki-wire.win/index.php/What_Are_Release_Days_and_Why_Do_They_Matter_More_Than_Raw_Releases%3F

The AI Models Index shows that in 2026, new AI models are launching every 4.5 days on average. While 56% of these updates improve performance, about 16% actually cause regressions. Overall, median gains on LMArena benchmarks hit +9