The AI Models Index keeps you up to speed on premium model releases from 15...

https://emiliosbestinsights.rivetgarden.com/posts/did-deepseek-really-slow-down-in-2026-or-is-it-just-my-impression

The AI Models Index keeps you up to speed on premium model releases from 15 leading labs since 2023, with verified dates and blind-vote checks for accuracy. Updated every two weeks, it shows release speed improving by 56%, now averaging just 4