The AI Models Index keeps tabs on premium AI releases from 15 labs since 2023,...

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

The AI Models Index keeps tabs on premium AI releases from 15 labs since 2023, verifying dates and using blind-vote checks for accuracy. Updated biweekly, it shows the pace of innovation—like GPT-5.2 launching just 4.5 days after GPT-5