The same way you evaluate other resources; use the CRAAP test or the PROVEN test.
AI is not intelligent and it is not thinking, it brings probable ideas together very quickly, but they can be wrong, biased, or correct but out of context. Check each fact and each citation.
AI can be biased because it trains on materials that can be biased, and you need to be aware of this when creating your prompts. If you are generating an image of a group of doctors, are they all white men? Are any differently-abled doctors? If you are generating information, include various groups that should be considered in your topic.
