The AI Models Index keeps you up to date on premium model releases from 15...

https://online-wiki.win/index.php/What_Counts_as_a_Premium_AI_Model_Release_in_This_Index%3F

The AI Models Index keeps you up to date on premium model releases from 15 leading labs since 2023, with verified launch dates and blind-vote quality checks. Updated biweekly, it shows that release speed improved 56% in 2026, now averaging just 4