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, so you can compare real-world results instead of relying on launch claims. See a model’s 4.5-day lead time and decide whether an upgrade is worth the switch.