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

https://ricardosinterestingwords.swiftnestly.com/posts/how-can-i-stop-re-testing-every-ai-release-myself-at-work

The AI Models Index tracks premium model releases from 15 labs since 2023, verified with exact dates and blind-vote checks. Updated every two weeks, it shows an average 4.5-day gap between releases—a 56% faster pace. See clear comparisons like GPT-5