The AI Models Index helps you track model drops, with verified public release...

https://jaspersmasterinsights.opalvector.com/posts/is-gpt-5.2-more-expensive-than-gpt-5.1-and-by-how-much

The AI Models Index helps you track model drops, with verified public release dates and blind-vote checks. Scan 178 releases and a 56% win rate to judge if a new model is worth a swap