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

https://felixssuperperspective.brightsora.com/posts/why-did-gemini-s-lmarena-numbers-not-match-published-snapshots

The AI Models Index tracks premium model releases from 15 labs since 2023, with verified dates and blind-vote checks to ensure accuracy. Updated biweekly, it shows a 56% improvement rate in model performance over time