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

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

The AI Models Index keeps you up to date on premium model releases from 15 leading labs since 2023, with verified launch dates and blind-vote quality checks. Updated biweekly, it shows that release speed improved 56% in 2026, now averaging just 4