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AI Detector: Check if Your Text Looks AI-Generated

Paste a draft from ChatGPT, Claude, Gemini, or any other AI tool. Humanio checks for AI-like writing patterns and gives you a clear result in seconds — no detector, ours included, is proof of who wrote a text.

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How does this AI detector work?

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Humanio analyzes writing patterns that can make a draft feel machine-generated, such as overly predictable phrasing, repeated sentence structures, and an unusually even rhythm. It then returns an AI-likeness estimate to help you review your draft before you publish or submit it.

A score is not proof that a person or an AI wrote something. Detection tools use different methods and can disagree, so treat the result as one signal to review — not a final verdict.

What can make text look AI-generated?

AI-like results do not always mean that a draft was written by AI. Your own writing can be flagged too.

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Very short drafts, where there is little for a detector to read
Highly polished or heavily edited prose
Technical or formulaic writing
Repeated phrasing and templated structures
Writing by someone working in a second language

If a result surprises you, review the draft for repeated phrasing, generic transitions, and sentences that all follow the same pattern. Add the details, examples, and point of view that are specific to you and your work.

What should you do if your text gets flagged?

A flag is a prompt to review your draft, not a verdict on who wrote it.

01

Check whether the draft still sounds like you. Replace generic wording with the way you actually phrase things.

02

Add concrete experience, vary the rhythm, and make sure every claim reflects your own knowledge.

03

If you started with an AI-assisted draft, Humanio can rewrite it into more natural, readable text while keeping the original meaning and important keywords intact. Our guide to AI detection explains what the different tools look at.

AI detector vs. plagiarism checker: what is the difference?

They answer different questions, so a clean result from one says nothing about the other.

AI detector

Estimates whether writing shows patterns often associated with AI-generated text. It reads your draft and nothing else.

Plagiarism checker

Looks for matching or closely similar text elsewhere on the web or in its own database.

A draft can be original and still look AI-like, or it can be written by a person and still contain copied material. Use the right tool for the question you need to answer.

How accurate are AI detectors?

No AI detector is perfect. Results can change between tools, between drafts, and after small edits. False positives are possible, especially for concise, formulaic, academic, technical, or non-native-English writing.

Use an AI score as a prompt to review your work, not as proof about authorship. If your writing matters in a high-stakes setting, keep your notes, sources, and editing history.

We write up how individual detectors behave on the Humanio blog, including detector reviews and what their scores do and do not tell you.

Check AI-assisted writing from any model

The same check works whatever you drafted with, and whatever you are drafting.

Any model

Review drafts made with ChatGPT, Claude, Gemini, or another writing tool.

Any format

AI-assisted blog posts, marketing copy, product descriptions, emails, reports, and other professional writing.

Any writer

Built for writers, marketers, SEO specialists, bloggers, and professionals who want drafts that sound recognizably their own.

GPTZero Turnitin Originality.ai Copyleaks ZeroGPT Winston AI

Detector-specific write-ups live on the GPTZero, Turnitin and Originality.ai pages, and every tool we publish is listed on All tools.

Frequently asked questions

Is Humanio’s AI detector free?
You can create a free Humanio account and get one full AI-text check without a credit card. Additional checks follow the plan and usage options shown in your account.
Does the free check analyze my whole text?
The free check analyzes the first 250 words of what you paste. Longer text is not blocked or cut in the form, but only those first 250 words are sent for analysis, and the result says so.
Does an AI-like score prove that text was written by AI?
No. An AI score is an estimate, not proof of authorship. AI detectors can produce false positives, and different detectors may return different results for the same text.
Can AI detectors be wrong?
Yes. Short, technical, highly structured, edited, or non-native-English writing can sometimes receive an AI-like result even when a person wrote it. Use the result as one signal to review your draft.
What should I do if my own writing gets flagged as AI?
Review the text for generic language, repeated structure, and missing personal detail. Add examples, sources, and your own point of view. If you began with an AI-assisted draft, you can use Humanio to make the writing sound more natural before reviewing it yourself.
Does this detector work for ChatGPT, Claude, and Gemini text?
You can use it to check any text, including drafts made with ChatGPT, Claude, Gemini, or another AI writing tool. The result is an estimate of AI-like writing signals, not a statement about which model created the text.
Is my text stored?
Yes. We store your submitted text, its result and your history to operate the service, so the check stays available in your account. You can delete your content or your account at any time, as described in our Privacy Policy.
Is an AI detector the same as a plagiarism checker?
No. An AI detector estimates AI-like writing patterns. A plagiarism checker looks for text that matches existing sources. A document can be original and still look AI-like, or written by a person and still contain copied material.
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