The AI Models Index tracks premium AI releases from 15 labs since 2023, with...

https://andysexpertblog.nexorafield.com/posts/the-busiest-week-for-ai-model-launches-in-2026-aug-31-to-sep-6

The AI Models Index tracks premium AI releases from 15 labs since 2023, with verified launch dates and blind-vote checks to ensure reliability. Updated biweekly, it shows a 56% improvement rate between GPT-5.1 and GPT-5