Summary
At least currently, there are no reliable AI detectors available, and we in the TTC encourage faculty to not rely on products making those claims. However, you nonetheless have options available that could help reduce the classroom use of AI in ways you don't approve.
Body
At least currently, there are no reliable AI detectors available, and we in the TTC encourage faculty to not rely on products making those claims. However, you nonetheless have options available that could help reduce cheating.
First, we recommend instructors include in their syllabus an AI course policy. Sometimes students are genuinely confused about what constitutes acceptable use, so an explicit policy is a good first step. Some information including examples of AI course policies can be found on our site here: https://studentbridgew.sharepoint.com/sites/TTC/SitePages/GenAI--Course-Policy-Development.aspx
If you believe a student has intentionally violated your AI course policy, then we recommend you invite the student to a discussion where you can ask them to share their thinking process with you about how they arrived at the work they submitted.
You may also decide to discuss the importance of understanding course content well enough to demonstrate mastery without the aid of AI as well as the purpose of the assignment. A discussion of possible consequences for violating academic integrity may also be helpful.
The TTC website includes a page that goes into more detail and points to additional resources: https://studentbridgew.sharepoint.com/sites/TTC/SitePages/GenAI--Plagiarism-and-AI-Detection-Tools.aspx. It includes links to research about AI detection, strategies to disincentivize cheating, and strategies for addressing suspected AI-related plagiarism.