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

https://trentonsexcellentthoughtss.evergrovio.com/posts/what-does-it-mean-when-the-top-three-public-models-are-within-one-point

The AI Models Index tracks premium releases from 15 labs since 2023, showing verified dates and blind-vote checks every two weeks. On average, new models like GPT-5.2 arrive every 4.5 days—a 56% faster pace than before