It can be difficult to detect AI-generated text, but here are some signs that may indicate a piece of text has been generated by AI:
1. Unnatural language and tone: AI-generated text may have a robotic or unnatural tone to it, with awkward sentence structures or unusual word choices.
2. Lack of depth and coherence: AI-generated text may lack depth or coherence, jumping from topic to topic without a logical flow.
3. Repetition or inconsistency: AI-generated text may repeat phrases or ideas, or may contain inconsistencies in its arguments or explanations.
4. Lack of originality: AI-generated text may lack originality, using generic or cliched language and ideas.
5. Unusual formatting or grammar errors: AI-generated text may contain formatting errors or awkward grammar usage that is not typical of human writing.
6. Text generating tools: Some AI-generated text may contain footnotes, citations or references to text-generating tools such as GPT-3 or OpenAI.
Ultimately, detecting AI-generated text may require a combination of careful reading, critical thinking, and comparison to known examples of AI-generated text.