I don't know. Claude Opus 5.5 still makes rudimentary mistakes all the time as I use it.

More than that, it cannot go beyond a certain level. Like a dog that can only do dog-level actions. I've lost count of the number of times I step back, take a critical look at what it has been hacking away at for hours, which would seem OK, but can be replaced by a much more effective architecture.

For the foreseeable future, a human is still very much needed in the driver's seat.