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

https://www.kilobookmarks.win/the-ai-models-index-keeps-tabs-on-premium-model-releases-from-15-labs-since-1

The AI Models Index tracks premium model releases from 15 top labs since 2023, with verified launch dates and blind-vote quality checks. Updated biweekly, it shows the pace of innovation—like a 56% improvement rate between GPT-5.1 and GPT-5.2