GPTZero — Detect AI Writing Risk
Paste AI-generated text to estimate AI likelihood, inspect risk signals, and decide whether the draft needs a stronger review.
Your AI risk analysis will appear here...
Why Students Need More Than Quillbot or ChatGPT
What students usually need is not just a paraphrase. They need a way to review where the draft still sounds too polished, too generic, or too unlike their own voice before they submit it.
Turnitin AI detection on every paper
Most universities have enabled Turnitin's AI Writing detector. Even partially AI-assisted essays are now flagged automatically.
Quillbot's free tier is too limited
Quillbot caps free users at 125 words per paraphrase and locks the strongest modes behind Premium — not realistic for a 2,000-word essay.
Re-prompting ChatGPT does not help
Asking ChatGPT to 'rewrite this so it does not sound like AI' produces text that still sounds like ChatGPT. Detectors catch it.
How students use GPTZero in 3 steps
Paste the draft, inspect likely AI-writing signals, and decide whether it is ready for submission.
Paste Your Draft
Drop your essay, paper, or research draft into the editor. Up to 1,000 words per request, free.
Inspect where the draft feels machine-shaped
Use GPTZero to review sentence-level clues before assuming the text is safe for Turnitin or another academic check.
Decide whether to revise before submission
Use the score and highlights to choose between manual revision, a stronger rewrite pass, or final review.
Where students use GPTZero review
College essays
Rewrite ChatGPT-assisted essays into your voice so they pass Turnitin AI detection.
Research papers
Polish AI-drafted research summaries while preserving citations and argument flow.
Discussion posts
Convert quick ChatGPT replies into thoughtful, human-sounding discussion contributions.
Lab reports
Rewrite AI-generated method and results sections so they read in your lab's voice.
Application essays
Polish personal statements and supplemental essays without losing your story.
Group project drafts
Smooth multiple writing styles into one consistent voice for group submissions.
Student AI Writing Review — FAQ
In our testing, Aggressive mode consistently brings AI scores below 10% on Turnitin's AI Writing detector. Results depend on the original text — heavily AI-generated drafts may need Aggressive mode plus a manual review pass.
Policies vary by school. Most institutions allow AI assistance for brainstorming and drafting but require disclosure or limit unedited AI text. Always check your specific course and university policy.
Quillbot is a paraphraser — it swaps synonyms but keeps AI sentence structure, so Turnitin still flags it. GPTZero rewrites at the sentence-pattern level, which is what Turnitin's AI detector actually measures.
Yes. Up to 1,000 words per request, unlimited retries, no signup, no credit card. Built to be accessible for students on a budget.
Yes. GPTZero preserves your thesis, evidence, and argument structure. We only change surface-level writing patterns. Always read the output to make sure it still answers the prompt.
Yes. GPTZero supports 18 languages and can also smooth English written by non-native speakers — it helps your writing sound natural without changing your meaning.