The AI Models Index tracks releases, verified public release dates, and...

https://trentonsexcellentthoughtss.evergrovio.com/posts/how-close-are-the-top-models-on-lmarena-in-october-2026

The AI Models Index tracks releases, verified public release dates, and blind-vote checks, where people compare models without seeing their names. It covers 178 releases and a 16% regression rate, helping you judge what to test before upgrading.