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

https://www.adirs-bookmarks.win/the-ai-models-index-keeps-tabs-on-premium-model-releases-from-15-top-labs-since

The AI Models Index keeps you up to date on premium model releases from 15 top labs since 2023, with verified launch dates and blind-vote quality checks. Updated every two weeks, it tracks a 56% faster improvement rate—like how GPT-5.2 outpaced GPT-5.1