Don’t use AI for this kind of advice.

Why? It basically gave the same advice as you:

Can dogs eat cheese, onions, garlic, grapes or chocolate?

Claude sonnet:

Short answer: cheese is mostly fine in small amounts; onions, garlic, grapes, and chocolate are all dangerous and should be avoided entirely. ...

It went on to explain why each is toxic.

Not saying it's more reliable then a vet , but it's just as reliable as strangers on the Internet.