The AI Models Index shows that AI releases in 2026 are happening every 4.5...

https://emiliosbestinsights.rivetgarden.com/posts/why-do-lmarena-leads-shrink-after-launch-week

The AI Models Index shows that AI releases in 2026 are happening every 4.5 days, reflecting a rapid pace of innovation. Notably, 56% of these updates bring improvements, but 16% result in performance regressions. On average, models gain a 9