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

https://wiki-square.win/index.php/What_Counts_as_%22Public_Use%22_for_an_AI_Model_Release_Date%3F

The AI Models Index tracks premium model releases from 15 labs since 2023, verifying dates and using blind-vote checks to ensure accuracy. Updated every two weeks, it shows the pace of progress—like how GPT-5.2 rolled out just 4.5 days after GPT-5