[cscheid]

This is the kind of task that LLMs are precisely terrible at; there isn't an abundance of Zod 4 examples, and the LLM will sure as shit will give you _something_ you are now by definition ill-equipped to assess.

I'm confident about this assessment because I maintain a large-ish piece of software and perenially have to decipher user reports of hallucinated LLM syntax for new features.

[koakuma-chan]

Are you sure that's not a skill issue? Zod v4 has .mdx documentation which can be given to the LLM as context, including a migration guide. A reasoning LLM should be able to manage.

[collingreen]

"It will solve all your problems!"

"It didn't solve my problems"

"You're the problem!"

[elanora96]

I've only tried Claude in Cursor's free trial, but it became very confused during a React 19 upgrade even after showing it a guide. It also kept telling me to install irrelevant dependencies saying my code would not work without them. My experience was more or less shared with several other senior devs using their companies AI subscriptions. Are we all using the tools wrong? Or is there just an expected amount of having to fight with the machine to get a usable result?