The AI Models Index tracks 178 releases with verified public release dates and...

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

The AI Models Index tracks 178 releases with verified public release dates and blind-vote checks, so you can compare real-world results instead of relying on launch claims. See a model’s 4.5-day lead time and decide whether an upgrade is worth the switch.