Home
Tools
Pricing

Free AI Detector — Check ChatGPT, GPT-4, Claude & Gemini Text for Canadian Students | Paperxify

Paperxify Writer Engine Active

Your AI-Powered Writing Suite

Detect AI, humanize text, write essays, grade papers, generate citations & more — all in one place.

Select Tool

AI DetectorAI HumanizerAI Essay WriterPlagiarism Checker

Detects AI-written content with confidence scores.

Multi-Model AI Content Scanner

AI-Powered Content Detector with Per-Sentence Confidence Scores

Submitting AI-generated content can have serious academic consequences. Paperxify's AI Detector uses a multi-model ensemble to flag text from ChatGPT, GPT-4o, Claude 3, Gemini, and other major LLMs — with per-sentence confidence percentages. Tailored for Canadian provincial curriculums, OSSLT preparation, and major university standards.

Multi-Model Detection

Detects GPT-4, Claude, Gemini, Llama, and more — not just ChatGPT. Over 96% benchmark accuracy.

Per-Sentence Breakdown

Color-coded highlight report shows exactly which sentences are AI-generated and which are human.

Highly Rated
"I ran my essay draft through Paperxify's AI detector before submission and caught 4 AI-flagged paragraphs I forgot to rewrite. Saved my academic standing."
CA
David Miller
CS Student, California, US

Capabilities Comparison

Why students and academic professionals globally choose Paperxify.

CapabilitiesPaperxify AI DetectorGPTZeroTurnitin AI
Multi-LLM Detection (GPT + Claude + Gemini) Yes (All Major Models)PartialPartial
Per-Sentence Confidence Score Yes (Color-coded)YesNo
Free Tier Available Yes (Generous free tier)LimitedInstitutional only
Student Stories

Loved by Scholars Worldwide

See how students and researchers use Paperxify to save hours every week.

4.9 / 5.0 Global Rating

  • "Paperxify transformed how I study for AP Computer Science A at Stanford University. The PDF layouts are print-ready!"

    E
    Emma Smith
    Stanford University•AP Computer Science A

  • "Summarizing long lecture streams for Molecular Biology is instant. Absolutely essential study hack."

    L
    Liam Miller
    MIT•AP Biology

  • "The custom flashcards for AP Macroeconomics save me hours of manual note-taking every week."

    O
    Olivia Davis
    Harvard University•AP Macroeconomics

  • "Highly recommend this to anyone taking Organic Chemistry. The math solver handles formulas perfectly."

    N
    Noah Garcia
    Princeton University•SAT Math

  • "Went from struggling in Astrophysics to top of my class at Yale University. Truly elite tool."

    A
    Ava Rodriguez
    Yale University•ACT Science

  • "Paperxify transformed how I study for AP US History at UC Berkeley. The PDF layouts are print-ready!"

    W
    William Wilson
    UC Berkeley•AP US History

  • "Summarizing long lecture streams for US History is instant. Absolutely essential study hack."

    S
    Sophia Martinez
    Columbia University•AP Psychology

  • "The custom flashcards for AP Chemistry save me hours of manual note-taking every week."

    J
    James Anderson
    UCLA•AP Chemistry

  • "Highly recommend this to anyone taking Computer Science. The math solver handles formulas perfectly."

    I
    Isabella Thomas
    Caltech•AP Computer Science A

  • "Went from struggling in Molecular Biology to top of my class at University of Chicago. Truly elite tool."

    B
    Benjamin Taylor
    University of Chicago•AP Biology

  • "Paperxify transformed how I study for AP Macroeconomics at Stanford University. The PDF layouts are print-ready!"

    M
    Mia Moore
    Stanford University•AP Macroeconomics

  • "Summarizing long lecture streams for Organic Chemistry is instant. Absolutely essential study hack."

    L
    Lucas Jackson
    MIT•SAT Math

  • "The custom flashcards for ACT Science save me hours of manual note-taking every week."

    C
    Charlotte Martin
    Harvard University•ACT Science

  • "Highly recommend this to anyone taking Calculus BC. The math solver handles formulas perfectly."

    H
    Henry Lee
    Princeton University•AP US History

  • "Went from struggling in US History to top of my class at Yale University. Truly elite tool."

    A
    Amelia Perez
    Yale University•AP Psychology

  • "Paperxify transformed how I study for AP Chemistry at UC Berkeley. The PDF layouts are print-ready!"

    A
    Alexander Thompson
    UC Berkeley•AP Chemistry

  • "Summarizing long lecture streams for Computer Science is instant. Absolutely essential study hack."

    H
    Harper White
    Columbia University•AP Computer Science A

  • "The custom flashcards for AP Biology save me hours of manual note-taking every week."

    M
    Michael Harris
    UCLA•AP Biology

  • "Highly recommend this to anyone taking Macroeconomics. The math solver handles formulas perfectly."

    E
    Evelyn Sanchez
    Caltech•AP Macroeconomics

  • "Went from struggling in Organic Chemistry to top of my class at University of Chicago. Truly elite tool."

    E
    Elijah Clark
    University of Chicago•SAT Math
Frequently Asked Questions

Questions & Answers.

Everything you need to know about Paperxify, AI synthesis tools, exports, and academic workflows.

01

How does Paperxify's AI Detector work?

Paperxify's AI Detector analyzes text using a multi-model ensemble trained to recognize linguistic patterns from major LLMs including GPT-4o, Claude 3.5, Gemini 1.5, Llama 3, and Mistral.

02

Is Paperxify's AI Detector free?

Can’t find what you are looking for?

Reach out to our support team and we will get back to you within 24 hours.

Email SupportLive Help

The Most Accurate Free AI Content Detector

Check your content before submission. Paste text or upload a document and get a full AI detection report in seconds.

Detect AI Content Now