AI struggles to patch vulns without adult supervision

AI models may not be that good at fixing security flaws. Researchers at 1Password's Off-by-1 Labs analyzed security patches generated by two frontier models - ChatGPT 5.5 at "medium" effort and Claude Opus 4.8 at "high" effort - and found that autonomous patches cleanly fixed vulnerabilities only about a quarter of the time, while most of the remainder failed to fully remediate the flaw or introduced other problems. Keith Hoodlet, director of security research at 1Password, argues in a blog post