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 with blind-vote checks and updating every two weeks. On average, new versions arrive every 4.5 days—a 56% faster pace than before