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

https://ricardosinterestingwords.swiftnestly.com/posts/why-does-the-index-say-google-deepmind-slowed-down-in-2026

The AI Models Index tracks premium model releases from 15 top labs since 2023, verifying release dates and using blind-vote checks for accuracy. Updated every two weeks, it shows models improving release speed by 56%, with GPT-5.2 launching just 4