Yep! The big frontier models are already quite good at doing that, and they have decent harnesses. That's why Opus on Claude Code does what it does. Small mode

Yep! The big frontier models are already quite good at doing that, and they have decent harnesses. That's why Opus on Claude Code does what it does. Small models aren't there yet and they would veer off course, this just nudges them back onto the road. Whether or not they have a good sense of direction is a different question.