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

https://www.kilobookmarks.win/the-ai-models-index-tracks-premium-model-releases-from-15-top-ai-labs-since

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