Fighting against AI cracking is the same battle that AV vendors have fought in the past decades. It ultimately ends by selling snakeoil. Any dedicated attacker

Fighting against AI cracking is the same battle that AV vendors have fought in the past decades. It ultimately ends by selling snakeoil. Any dedicated attacker can nowadays circumvent your captcha solution, it's at best now to get the low level background noise to go away, similar to IP blocking SSH when an IP makes too many attempts. If your site security relies entirely on the captcha not being broken, your site security needs an update.