One thing we've noticed is that if you have model X implement AND review the same change, the reviewer often shares the same blind spots as the implementer. https://blog.brokk.ai/mjolnir-automated-cross-vendor-adversa...

In my experience, they are fairly good at catching stuff in human-written code, but they tend to gloss over agent-written code, just as human beings being lulled to complacency by superficially-looking competent code.