AI Detection
AI detection tools claim to identify text generated by large language models, and Canadian teachers increasingly rely on them to flag suspect student submissions. The leading detectors include Turnitin, GPTZero, Originality.ai, Copyleaks, and Grammarly, but accuracy varies sharply across tools, languages, and student profiles. The educators on this forum have documented how these tools behave in real classrooms, where they break down, and how to use them responsibly without unfairly accusing students.
Community Discussions
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AI Detection for ESL Students: The False Positive Problem
This is something I feel strongly about, and I think it's one of the most important equity issues in the AI detection conversation. AI detectors disproportionately flag writing by non-native English speakers…
Turnitin AI Detection: What Teachers Need to Know
If your school uses Turnitin, you've probably noticed the AI detection feature that rolled out in the last couple of years. I wanted to break down what it actually does and what…
How AI Detection Actually Works – A Teacher Explainer
There's a lot of confusion in teacher circles about what AI detection tools are actually doing under the hood. I put together a breakdown based on what's publicly known, and what I've…
How Accurate Are AI Detectors? I Tested 5 of Them
I wanted to put AI detectors to the test myself, so I ran a small experiment. I took five different texts and ran them through five popular AI detectors. Here's what happened.…
Scribbr vs. Turnitin vs. Grammarly: Plagiarism Checker Showdown
Three of the most popular plagiarism checkers compared side by side. I've used all three and here's my honest breakdown. Turnitin is the heavyweight in education. It checks against the largest database…
GPTZero vs Originality.ai – I Tested Both This Weekend. Here’s the Data.
Tested both tools this weekend because I got tired of reading vague comparisons that don't give numbers. Here's what I found on 30 essays from my class (mix of known AI, known…
Do AI Detectors Flag ESL Students More? 8 Months of Tracking
I teach ESL and ELL students at UBC and I've been systematically logging something that I think needs to be part of the policy conversation. Over the past two terms, I recorded…
How to Bypass Turnitin AI Detection (And Why Students Try)
Before anyone gets upset about the title, this post is for teachers, not students. Understanding how students attempt to bypass AI detection helps us design better assessments and have more informed conversations…
GPTZero vs. Turnitin vs. Originality: Which Catches More?
I see teachers debating which AI detector is "best" all the time, so I did a direct comparison of the three most popular options: GPTZero, Turnitin's AI detection, and Originality.ai. I tested…
I Ran My Own Writing Through a Detector. 38% AI Score. I’ve Been Teaching 12 Years.
Decided to test what these tools would say about my own writing. Ran the first three paragraphs of a unit handout I wrote entirely myself through GPTZero. 38% probability of AI generation.…
The Future of AI Detection in Education: What Comes Next?
As we wrap up this series of discussions about AI in education, I want to look ahead. Where is AI detection technology going, and what should schools be preparing for? The detection…
Best AI Detectors Like Turnitin (But Free)
Not every teacher has access to Turnitin. If you're looking for free AI detection tools, here's what I've found actually works. GPTZero is probably the most well-known free option. It was created…
What Happens When the Detector Is Wrong – A Real Story
Sharing this because I think it needs to be heard before more schools go down this road. In December we had a grade 11 student flagged by Turnitin for a history essay.…
AI Critique Exercises That Actually Teach Critical Thinking
Tried something different this term that's working well enough to share. Instead of banning AI or ignoring it: I give students an AI-generated response to a question and ask them to critique…
Multilingual AI Detection – Which Tools Actually Work in French?
Wrote the French language AI tools thread for our school last year and I've been updating my notes since. Here's what I know now about which tools actually work for French, not…
If We Can’t Act on Detection Results, Why Are We Using Them?
here's the contradiction I'm sitting with. Admin says: use AI detection tools to flag potentially AI-generated student work. Also admin says: you cannot formally accuse a student of academic dishonesty based solely…
Is the Turnitin AI Detector Accurate? Real Classroom Results
I collected some informal data from my own classroom and a few colleagues and wanted to share what we found about Turnitin's AI detection accuracy in real-world conditions. Over the course of…
AI Detection on French Essays – Anyone Getting Inconsistent Results?
J'enseigne la littérature et la composition au cégep depuis onze ans. Cette année, pour la première fois, j'utilise des outils de détection IA de façon systématique sur les travaux remis en français.…
AI Detector Says My Writing Is AI: False Positives Explained
This is one of the most frustrating experiences a student (or teacher) can have: you write something entirely on your own, run it through an AI detector, and it comes back flagged…
Free vs Paid AI Detection Tools – Honest Teacher Comparison 2026
Put together a practical comparison for teachers who don't have budget for paid tools and want to know what actually works. Tested everything on the same 20 essays over the past month.…