The AI Models Index keeps you up to date with premium releases from 15 labs...

https://echo-wiki.win/index.php/Why_Did_GPT-6.1_SOL_Improve_After_GPT-6_SOL_Regressed%3F

The AI Models Index keeps you up to date with premium releases from 15 labs since 2023, verifying dates and using blind votes for accuracy. Updated every two weeks, it shows releases drop every 4.5 days on average—a 56% faster pace than before