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

https://wiki-dale.win/index.php/Why_Did_Google_Slow_Down_on_Premium_Model_Releases_in_2026%3F

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