AI bots are so good at mimicking the human brain and vision that CAPTCHAs are useless https://qz.com/ai-bots-recaptcha-turing-test-websites-authenticity-1850734350
"The bots’ accuracy is up to 15% higher than that of humans" - so get rid of them from your sites; they're often an accessibility disaster for actual humans.
AI bots are so good at mimicking the human brain and vision that CAPTCHAs are useless

The bots’ accuracy is up to 15% higher than that of humans

Quartz
In 2019, 63% of UK web users with access needs cited CAPTCHAs as a barrier to using retail sites (PDF: https://www.clickawaypound.com/downloads/cap19final0502.pdf)
@brucelawson I don't currently have serious visual/mobility accessibility issues and even I've given up on sites because they've put up CAPTCHAs. That table on page 14 is pretty dismal.