AI Text Detector: See Exactly Which Sentences Are AI-Generated AI Detection · 4 min read AI Text Detector: See Exactly Which Sentences Are AI-Generated Most AI detectors give you one score and leave you guessing. An AI text detector built the right way should show you exactly which sentences triggered the result — and why. UncovAI's sentence-level breakdown: each line is tinted by how strongly it points toward AI or human writing. What Makes This AI Text Detector Different UncovAI doesn't just tell you if a text was AI-generated. It shows you where. Paste any document and get a full sentence-by-sentence breakdown — which parts were written by AI, which are human, and the reasoning behind that call. 🔍 Sentence-Level Detection Every sentence is highlighted on its own, tinted from "pushes AI" to "pushes human," so you can see exactly which lines drove the verdict. 📊 A Confidence Score You Can Trust Every scan returns a clear percentage showing how strong the signal is — not a vague "likely AI" label with nothing behind it. 🧠 Full Context, Not Just a Label Key sentences are surfaced with the reasoning: repetitive structure and generic phrasing point to AI; specific detail and natural rhythm point to human. 🎯 Built for Real Decisions Teachers, editors, recruiters, and content teams get granular evidence to act on — not just a number to take on faith. See more use cases here. How It Works Four steps, no black box: Step 1 Paste or upload your text — essays, articles, emails, applications, anything written. Step 2 UncovAI analyzes every sentence using linguistic pattern detection. Step 3 Get a visual breakdown with color-coded highlights, AI-leaning vs. human-leaning. Step 4 Review the confidence score and key sentences to see exactly what drove the result. Why Sentence-Level Detection Matters Most AI content isn't 100% AI or 100% human. It's a blend. A student might write their own introduction and let AI finish the conclusion. A marketer might draft bullet points by hand and use AI to expand them into paragraphs. A single overall score hides all of this. The core problem One score for an entire document tells you nothing about where the AI writing actually is — and that's exactly what most detectors get wrong. Breaking a document down to the sentence level shows you: Exactly which sentences are likely AI-generated Exactly which sentences read as human-written How strong that signal is for each part of the text The specific sentences that most influenced the overall verdict That's the difference between a guess and an analysis. Frequently Asked Questions How does UncovAI detect AI-generated text? UncovAI uses linguistic pattern detection to analyze sentence structure, word choice, predictability, and rhythm, comparing each sentence against patterns typical of AI-generated versus human writing. Can UncovAI tell me which specific parts of a document are AI-generated? Yes. Instead of one score for the whole document, UncovAI highlights each sentence individually and shows how much it pushes the result toward "AI" or "Human," plus a list of the key sentences driving the verdict. What does the confidence score mean? It reflects how certain the model is in its overall verdict — a higher percentage means a stronger, clearer signal in either direction. Is UncovAI accurate for mixed human-AI content? Yes. Because it analyzes text at the sentence level instead of treating a document as one block, it's built specifically to handle writing that blends human and AI-generated passages. Who uses UncovAI? Teachers verifying student work, editors checking submissions, recruiters screening applications, and content teams verifying originality before publishing. Stop Guessing. Start Seeing. An AI text detector is only useful if it shows its work. UncovAI turns detection into a transparent, sentence-by-sentence analysis, so you always know exactly what you're looking at and why. Get Started Free → Are you sure you want to proceed with the payment? Confirm Cancel