The AI Models Index keeps track of premium model releases from 15 top labs...

https://www.bokkmarking-signs.win/the-ai-models-index-tracks-the-latest-premium-releases-from-15-top-labs-since

The AI Models Index keeps track of premium model releases from 15 top labs since 2023, with verified dates and blind-vote checks to ensure accuracy. Updated every two weeks, it shows that on average, new releases come every 4