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Spot AI-written student work without guessing

Teachers should use an AI detector as a second reader, not a judge. Run Winston AI on submissions that feel unlike a student's usual work, see which sentences are highlighted red or yellow, then compare them with drafts and in-class writing. If doubts remain, talk with the student before deciding anything, and never grade on the score alone.

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What teachers check

  • essays
  • discussion posts
  • short-answer homework
  • lab reports
  • reading responses
  • personal narratives

Paste text or upload a .docx. Each report shows an overall score and a highlight on every sentence that reads as machine-written.

Key facts

  • Winston AI gives an overall AI score plus sentence-level highlights: red for likely AI, yellow for mixed signals.

    Source: AI Detector

  • Yellow highlights show mixed signals, often human writing that a grammar or rewriting tool polished or paraphrased.

    Source: AI Detector

  • Teachers can paste essays, discussion posts and lab reports, or upload a .docx file, to check them for AI writing.

  • Winston AI checks student work in 14 languages, including Spanish, French, German and Japanese, and detects the language automatically.

    Source: AI detector in Spanish, French, German and more

  • New accounts get 2,000 free credits with no card required; one credit covers about one word.

    Source: Pricing

What slows teachers down

  • Thirty essays and one gut feeling

    A paper feels off, but you can't say why, and there's a stack more to grade by Friday. A gut feeling is hard to explain to a student or a parent.

  • Rules that changed mid-term

    Your school's guidance on AI tools may be new, vague or still in draft. Students hear different things in different classrooms, and you end up making the call alone.

  • Conversations that can go wrong fast

    Accusing a student who wrote their own work damages trust for the rest of the year. Saying nothing when a paper clearly isn't theirs isn't fair to the rest of the class.

Winston AI gives teachers a second opinion on essays, short answers and discussion posts. Paste a submission to see which sentences read as machine-written, then decide what to do using your own judgment and what you know about the student. This page covers a classroom workflow, setting an AI policy and raising concerns kindly.

Set a classroom AI policy before the first essay

Most disputes about AI start because nobody said what was allowed. A short policy, shared on day one and repeated before big assignments, saves you from deciding case by case under pressure.

  • Say which tools are fine and for what: spell check, grammar suggestions, brainstorming, outlines, full drafts.
  • Ask students to keep drafts or version history for longer pieces, so they always have a way to show their process.
  • Explain that a detector result starts a conversation and never decides a grade by itself.
  • Give one example of acceptable use and one of unacceptable use for the assignment in front of them.

When a paper reads as AI-written

Start with curiosity. Ask how they approached the topic, which source surprised them, or why they chose a particular example. Students who wrote the work usually answer easily, and the ones who didn't often say so once the pressure is off. Our guide on how to talk to a student about suspected AI use has openers that keep the tone calm.

Design assignments that show the process

Detection works best next to assignments that leave a trail: in-class freewrites, a short reflection on how a draft changed, or a quick spoken check-in on a final paper. These give you a baseline for each student's voice and make any later comparison fairer to everyone.

A review workflow for teachers

  1. Step 1: Scan the papers that give you pause

    Paste the essay or upload the .docx. You don't need to scan everything; start with submissions that read differently from a student's usual work.

  2. Step 2: Read the highlights, not just the score

    Red sentences read as likely AI, yellow ones show mixed signals. A generic intro and conclusion around a personal middle tells a different story than a paper that's red from top to bottom.

  3. Step 3: Compare with what you know

    Set the paper next to in-class writing, earlier drafts and the student's voice. A score that matches nothing else you've seen is a reason to look again, not to act.

  4. Step 4: Talk before you decide

    Ask the student to walk you through their argument or show their drafts. Most of what you need to know comes out in a short, calm conversation.

Questions from teachers

Still unsure? Browse our guides or ask our team.

Should I scan every essay my class submits?

You don't have to. Many teachers scan only the papers that give them pause, plus a few others for comparison. Signing up gives you 2,000 free credits, and one credit covers about one word, so you can try it on real assignments before choosing a plan.

Can I show the result to a student or a parent?

Yes. Paid plans include shareable PDF reports with the sentence highlights, which makes it easier to explain what you saw. Present it as one piece of evidence next to drafts and class work, never as a verdict.

What if a student only used a tool to fix grammar?

It may show up as yellow, mixed-signal sentences rather than red. Light polishing by a tool can do that, which is why your policy should say whether grammar tools are allowed, and why it pays to read the highlights instead of reacting to the overall score.

Does it work for world language classes?

Yes. Winston AI detects the language automatically and supports 14 languages, including Spanish, French, German and Japanese, so you can check work in the language you teach.

How other teams use it

Try it on the next piece you review

Paste the text, read the highlighted sentences, then decide what to ask next. Sign up free when you want to keep your reports.

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