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

https://fast-wiki.win/index.php/What_Is_Anthropic%E2%80%99s_Release_Cadence_in_2026%E2%80%94and_How_Many_Releases%3F

AI Models Index tracks 178 releases with verified public release dates and blind-vote checks, so teams can compare model changes before upgrading. Results show 56% improved, helping you weigh likely gains against the risk of switching.