Yeah, Anvil would have to at least fine tune a model to make something that doesn’t routinely make embarrassing errors.
I use Cline with VSCode, combined with a set of documented design patterns and syntax for Anvil apps. I tell it to refer to that document before writing code, and it has made a big difference in writing good code. But it is still not something I would stamp my name on if I were someone at Anvil.
Replit has really leaned into LLM coding in their online IDE but they use popular frameworks which have really extensive training data so LLMs do better in that context.