The AI Models Index tracks 178 releases with verified public release dates and...

https://lanescooljournal.inkharbory.com/posts/why-does-the-index-say-lmarena-compresses-at-the-top

The AI Models Index tracks 178 releases with verified public release dates and blind-vote checks, where voters don’t know which model they’re judging. Compare results, spot regressions, and decide if an upgrade is worth it. Updates arrive in 4.5 days.