Guides
Guides to spotting AI writing
Short, practical answers to the questions people ask before, during and after they check a piece of writing for AI.
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All guides
- GuideWhen detectors get it wrongAI detectors can be wrong. Learn when false positives and misses happen, which kinds of writing are most at risk, and how to use results responsibly.
- GuideDetecting PerplexityPerplexity answers are written by AI models, so a detector can check them like other AI text. How citations, quotes and short answers change the result.
- GuideParaphrased AI textDoes paraphrasing hide AI writing? What reviewers should know about reworded AI text, how it shows up in sentence highlights, and how to review it fairly.
- GuideHow detection worksA plain-language explanation of how AI detectors work: patterns in word choice and predictability, sentence-level scoring, training data and retraining.
- GuideProving your work is yoursAccused of using AI on work you wrote yourself? How to gather drafts and version history, explain your process calmly, and protect yourself next time.
- GuideTalking to students about AIA calm, fair way to talk with a student about suspected AI use: how to prepare, which questions to ask, what drafts can show, and how to follow up after.
- GuideSpotting ChatGPT essaysThe signs that an essay was written with ChatGPT, from generic structure to missing class details, and how to check a draft fairly before you act on it.
- GuideRecognizing AI-written textPractical signs that text was written by AI, from flat rhythm and vague claims to missing firsthand detail, plus how to check a passage and weigh results.
- GuideAI content and SEOIs AI content bad for SEO? Why helpfulness matters more than how a page was produced, where mass-produced AI pages go wrong, and how to review drafts.
- GuideAI detection scoresIs 20% AI detection bad? What 0–10%, 20%, 30% and 50%+ AI scores mean, how much AI detection is acceptable, and how to read sentence highlights.
Browse more
- BrowseAI detectors for every major modelCheck whether text was written with ChatGPT, Claude, Gemini, DeepSeek, Llama and other AI models. Sentence-level results in seconds.
- BrowseAI detection for teachers, editors, recruiters and moreSee how teachers, editors, recruiters, publishers and other teams use an AI detector to review writing fairly and quickly.
- BrowseAI detector in Spanish, French, German and moreCheck AI-generated writing in Spanish, French, German, Portuguese, Chinese and other languages, with the same sentence-level highlights as English.
- BrowseWhat AI detector do colleges use? Platform by platformWhat AI detector do colleges and schools use? See whether Canvas, Turnitin, Google Classroom or Blackboard checks for AI writing, which detector it uses and what students and instructors see.
- BrowseAI checker for essays, papers, resumes and moreCheck essays, college essays, research papers, resumes, poems and other writing for AI. See what makes each kind of text easier or harder to judge.
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