Has my account been stolen? Why did I spend more than $20 without using the GPT4 API? Both accounts are like this, and I don't think my accounts have been stolen. Is there any hidden deduction item here?

I have never used GPT4 before, why is there any cost? I am using 4-turbo

Have you deployed an app recently?

How many keys did you generate? You might revoke them if you’re seeing usage you can’t account for on your own.