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

https://www.kilobookmarks.win/the-ai-models-index-tracks-premium-ai-releases-from-15-labs-since-2023-with

The AI Models Index keeps you up to date on premium AI releases from 15 labs since 2023, verifying launch dates and using blind-vote checks to ensure accuracy. Updated biweekly, it tracks improvements like the 56% faster performance seen in GPT-5