The AI Models Index tracks premium model releases from 15 labs since 2023,...

https://highstylife.com/what-model-had-the-longest-single-reign-at-1-in-2026/

The AI Models Index tracks premium model releases from 15 labs since 2023, verifying dates and using blind-vote checks for accuracy. Updated every two weeks, it shows model improvements happen every 4.5 days on average—a 56% faster rate