AI Detector - io

Five AI Detectors, One View

Submit your text once and get AI scores from GPTZero, Winston AI, AIDetector.pro, ZeroGPT, and the Detector.io model side by side. No more opening five tabs or copy-pasting between tools.

See at a glance how different detectors rate the same text, so you can spot disagreements and decide if your content needs revision.

Know Exactly What's Flagged

Instead of a single overall score, Detector.io highlights the specific sentences each detector flags as AI-written. You can review the flagged lines and understand why they were marked.

Target your edits precisely — only rewrite the lines that need work, not the whole draft.

Humanize Without Losing Key Content

Use the integrated Humanizer to make AI-sounding text more natural while keeping citations, headings, names, and selected important sections untouched. You approve every change before it's applied.

Improve the human feel of your writing without sacrificing structure or references.

Verify Changes in the Same Workflow

After humanizing selected lines, re-run the detection instantly — all within the same dashboard. No need to switch between tools or re-paste text.

Confirm that your revisions actually lower AI detection scores before you submit or publish.

Context Behind Every Score

Each detector score comes from a real provider, so you can evaluate results with context. The tool explains why AI detectors may disagree — different models, datasets, and scoring methods.

Make informed decisions about your content based on multiple perspectives, not a single score.

From Students to SEO Teams

Detector.io is designed for students, teachers, recruiters, marketers, and SEO teams. Whether you're checking a short reflection or a lengthy report, the tool gives quick feedback without disrupting your flow.

Use one tool across different writing scenarios — academic, hiring, content publishing, and SEO.

• Multi-Detector ComparisonDetector.io aggregates results from GPTZero, Winston AI, AIDetector.pro, ZeroGPT, and its own model, displaying all scores in one dashboard. This allows you to see where detectors agree or disagree, providing a more comprehensive view of potential AI flags.
• Integrated WorkflowThe platform combines AI detection, humanization, and re-checking into a single process. You can paste text once, review sentence-level highlights, humanize selected lines, and instantly verify the new version—all without switching between multiple tabs.
• Real Provider ScoresEach detector score comes from a real provider, giving you context to evaluate results. This transparency helps you understand why different tools may rate the same text differently, based on their unique training data and algorithms.
• Built-In Humanizer with ControlThe built-in Humanizer improves AI text while preserving citations, headings, names, and important sections. You review every rewrite before applying it, ensuring you only accept changes you approve of.

• Detector VariabilityAI detectors often disagree. For example, the same sample text scored 5% AI on GPTZero, 72% on AIDetector.pro, 89% on ZeroGPT, and 14% on Winston AI. Use these scores as guidance, not absolute truth, and consider the context of each detector's methodology.
• No Single Score GuaranteeA single AI score cannot create fake confidence. Because detectors learn from different data and weigh signals differently, a text may appear human in one model and AI-generated in another. Always cross-check with multiple detectors to identify potential risks.
• Algorithm LimitationsThe detection tool analyzes patterns like sentence structure, word distribution, and repetition, comparing against datasets of human and machine text. However, it does not rely on keyword matching, and the exact principles behind detection algorithms are often not fully disclosed.
• Use as a Guide, Not a VerdictDetector.io results may vary across detectors and should be used to guide your review, not as a definitive academic or professional judgment. For teachers making academic calls or recruiters screening candidates, consider additional verification methods.

Students

Detect AI concerns before you submit. Fix only the lines that need work.

Teachers

Review papers with several detectors before making an academic call.

Recruiters

Screen resumes, perform test tasks, and arrange interviews with qualified candidates.

SEO Teams

Compare the AI detector results to verify that the briefs, blogs, and updated pages have not been written by AI.

Sign up for a free account on AI Detector.io.

Install the WordPress plugin or generate an API key.

Upload your first document or connect the API to your CMS.

Review the generated PDF report and address any highlighted matches.