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

https://ricardosinterestingwords.swiftnestly.com/posts/what-counts-as-a-premium-ai-model-release-in-this-index

The AI Models Index tracks premium model releases from 15 labs since 2023, verified with exact dates and blind-vote checks. Updated biweekly, it shows improvements like a 56% faster release pace—averaging just 4.5 days between updates