Well, AI has been with us for quite a while, what's new is Large Language Models which are what's marketed as an AI currently.
This all means you can do some stupid things like turn a bad drawing into a bad AI generated images, or chat with a LLM, who will in fluent Czech try to convince that it's very sorry that it only speaks English, but Czech is definitely planned in future iterations!
There are some useful tools which I sadly couldn't test (like the live translate during a call where each participant speaks their own language and the AI translates on the fly) because unlike lying Gemini, they truly don't support Czech.
Edit: The English/Czech bit seems to be popular, here are the screnshots. I don't have all the parts of the conversation screenshoted, only these two:
Here are the Czech bits translated by Google Lens, the translation is not perfect, but it's good enough to understand what's going on: