As a journalist, I have to do the fake check on texts pretty often nowadays. The fact check ... no, well, the check if they have been written by humans or #AI Here are my three favorite tools:
#factcheck #AIcheck #Turingtext
https://gptzero.me/
AI Detector - the Original AI Checker for ChatGPT & More

Covered by >100 media outlets, GPTZero is the most advanced AI detector for ChatGPT, GPT-4, Gemini. Check up to 50000 characters for AI plagiarism in seconds.

GPTZero