[kdavis]

10x when working on a code base I'm very familiar with.

Basically, it amounts to being able to give detailed instructions to a junior dev (who can type incredibly fast) and having them carry out your instructions.

If you don't know the code base, and thus can't provide detailed instructions, this junior dev can (using their incredible typing speed) quickly run off the rails. In this case, as you don't know the code base, you wouldn't know it's off the rails. So you're S.O.L.

[gunalx]

LLms are both faster, smarter and way dumber than a junior at the same time.

They work faster, but more often make wrong assumptions without asking. Llms dont ask the stupid questions a junior might, but those questions are essential to getting it right.