Hướng dẫn nhanh

This guide covers every GPTZero feature:
- Bắt đầu — Create an account and run your first scan
- Cách sử dụng AI Detector — Check any document and see whether it was written by AI
- Cách sử dụng từ vựng AI — Find the certain words that AI chatbot drafts repeat over and over
- How to Use Accurate Plagiarism Checker — Match your text against existing online sources in one scan
- How to Use Free Grammar Checker — Clean up grammar and sentence structure before you submit
- Cách sử dụng máy dò ảo giác — Catch fake sources and invented facts before anyone else does
- Hướng dẫn sử dụng AI Grader — Grade an essay against your own rubric in seconds
- Cách sử dụng xác minh tác giả — Prove your work was written by a human using your edit history
- Hướng dẫn sử dụng tính năng quét AI nâng cao — See a plain English reason behind every flagged sentence
- Hướng dẫn sử dụng các tính năng tích hợp của Canvas — Scan submitted assignments inside your existing classroom setup
Thời gian cần thiết: 5 phút cho mỗi phim
Cũng trong hướng dẫn này: Mẹo chuyên nghiệp | Những lỗi thường gặp | Khắc phục sự cố | Chạy | Các lựa chọn thay thế
Tại sao nên tin tưởng hướng dẫn này?
I have used GPTZero for two years across học sinh essays and client drafts.
Every screen below comes from my own account, not a press kit.

GPTZero is the AI detector most giáo viên and editors reach for first.
Nó quét bạn chữ and tells you what looks written by AI.
Most people stop at that one score.
This guide shows you every tool behind it, step by step.
Hướng dẫn GPTZero
This How to Use GPTZero tutorial walks through each feature in order, from your first scan to advanced grading.

GPTZero
Know in seconds whether a document was written by a human or an AI chatbot. GPTZero reads millions of documents worth of patterns and explains every flag it raises. Start free, no card needed.
Hướng dẫn bắt đầu sử dụng GPTZero
Do this one time before you touch any feature.
Quá trình này mất khoảng ba phút.
Bước 1: Tạo tài khoản của bạn
Go to the GPTZero landing page and click sign up.
Nhập email của bạn và tạo mật khẩu.
✓ Điểm kiểm tra: Kiểm tra của bạn hộp thư đến cho email xác nhận.
Bước 2: Mở Bảng điều khiển
GPTZero runs in your browser, so there is nothing to install.
Log in and the dashboard opens with every tool in one menu.
Short videos in the help center cover each tool if you get stuck.
Here is what the main screen gives you:

✓ Điểm kiểm tra: You should see the scan box and the tool list.
Step 3: Add the Origin Extension
Install the GPTZero Origin extension for Chrome.
It adds live results in Google Docs and lets you scan any webpage.
✅ Hoàn thành: Your account is ready for every feature below.
Hướng dẫn sử dụng công cụ phát hiện AI GPTZero
Máy dò AI lets you scan a document and see how much of it reads as AI generated text.
Dưới đây là hướng dẫn sử dụng từng bước.
Bước 1: Dán văn bản của bạn
Open the GPTZero dashboard and create an account if you have not yet.
Paste your text into the scan box, or upload a PDF, DOCX or TXT file.
Bước 2: Chạy quá trình quét
Click the scan button and wait a few seconds.
Đây là hình ảnh minh họa:

✓ Điểm kiểm tra: You should see a probability score plus sentence level highlighting.
Step 3: Read the Score
Probability scores show the likelihood of AI generation across the whole document.
Clean lines read as human writing, and flagged lines look written by AI.
✅ Kết quả: You know exactly how much of the file reads as AI content.
💡 Mẹo hay: Give it at least 200 to 250 words. Shorter snippets often lead to a false positive.
Hướng dẫn sử dụng từ vựng AI của GPTZero
Từ vựng AI lets you spot the certain words that an AI chatbot leans on far too often.
Dưới đây là hướng dẫn sử dụng từng bước.
Step 1: Open the AI Vocabulary Tool
Pick AI Vocabulary from the tool menu in your dashboard.
Step 2: Paste Your Draft
Drop in an tiểu luận, a blog post or any text you want checked.
Đây là hình ảnh minh họa:

✓ Điểm kiểm tra: Overused AI terms appear highlighted line by line.
Step 3: Rewrite the Flagged Words
Swap the flagged terms for your own tiếng nói and normal word choice.
Your writing stops sounding predictable straight away.
✅ Kết quả: Your draft reads less like AI writing and more like you.
💡 Mẹo hay: Do not delete every flagged word. Some certain words belong in your natural style.
How to Use GPTZero Accurate Plagiarism Checker
Accurate Plagiarism Checker lets you see whether your text matches pages that already exist online.
Dưới đây là hướng dẫn sử dụng từng bước.
Bước 1: Mở công cụ kiểm tra đạo văn
Select the plagiarism checker from the same dashboard menu.
Step 2: Add Your Document
Paste the text or upload the file you want compared.
Đây là hình ảnh minh họa:

✓ Điểm kiểm tra: Matched passages appear with a link to the original page.
Step 3: Review Each Match
Open every flagged source and confirm the quote or citation is correct.
✅ Kết quả: You can prove the work is original before you submit it.
💡 Mẹo hay: Run detecting AI and plagiarism scans together. Copied text and AI text are different problems.
How to Use GPTZero Free Grammar Checker
Free Grammar Checker lets you fix grammar and sentence structure without leaving the editor.
Dưới đây là hướng dẫn sử dụng từng bước.
Bước 1: Mở công cụ kiểm tra ngữ pháp
Choose the free grammar checker from your tool list.
Step 2: Paste the Text
Add the draft you want cleaned up.
Đây là hình ảnh minh họa:

✓ Điểm kiểm tra: Errors appear inline with a suggested fix beside each one.
Bước 3: Áp dụng các gợi ý
Accept the fixes that help and skip the ones that flatten your voice.
✅ Kết quả: Your document is clean, readable and ready for a human reader.
💡 Mẹo hay: Fix grammar last. Heavy editing after a scan can change your detection results.
Hướng dẫn sử dụng máy dò ảo giác GPTZero
Máy dò ảo giác lets you catch invented facts and fake sources that an AI chatbot made up.
Dưới đây là hướng dẫn sử dụng từng bước.
Step 1: Open the Hallucination Detector
Select the hallucination detector from the dashboard.
Step 2: Add Text With Citations
Paste any research summary, essay or report that cites sources.
Đây là hình ảnh minh họa:

✓ Điểm kiểm tra: Suspect claims and broken references are marked in the results panel.
Step 3: Verify Every Flag
Open each flagged citation and confirm the source is real.
✅ Kết quả: Your citation checks are done and no invented source survives.
💡 Mẹo hay: Treat every AI written reference as suspect. Verify the page before you keep it.
Hướng dẫn sử dụng GPTZero AI Grader
AI Grader lets you grade an essay against your own rubric without reading it twice.
Dưới đây là hướng dẫn sử dụng từng bước.
Step 1: Open the AI Grader
Pick the AI Grader and start a new grading job.
Step 2: Upload the Rubric
Upload rubric files and add a prompt describing what you want scored.
Đây là hình ảnh minh họa:

✓ Điểm kiểm tra: A grade appears beside each rubric line with a short reason.
Step 3: Read the Feedback
You get a score plus written feedback you can edit before sending.
✅ Kết quả: A stack of assignments is graded with consistent, explainable feedback.
💡 Mẹo hay: Write the prompt like instructions for a teaching trợ lý. Vague prompts give vague grades.
How to Use GPTZero Authorship Verification Tool
Xác minh tác giả lets you prove a document was written by a human using its edit history.
Dưới đây là hướng dẫn sử dụng từng bước.
Step 1: Connect Google Docs
Install the GPTZero Origin extension and open your file in Google Docs.
Live results and flags appear as Google Docs comments beside your draft.
Step 2: Write as Normal
The extension records your writing process quietly in the background.
That typing pattern analysis becomes your evidence later.
Đây là hình ảnh minh họa:

✓ Điểm kiểm tra: The GPTZero writing report opens as a video replay of your typing.
Step 3: Export the Writing Report
Share the human writing report as proof of how the draft grew.
✅ Kết quả: You have hard evidence that the essay was written by a human.
💡 Mẹo hay: Turn this on before you start. A finished file has no edit history to show.
How to Use GPTZero Advanced AI Scanner
Quét AI nâng cao lets you see a plain English reason behind every single flagged sentence.
Dưới đây là hướng dẫn sử dụng từng bước.
Step 1: Start an Advanced Scan
Toggle the advanced scan option before you run your check.
Step 2: Open a Flagged Sentence
Click any highlighted sentence to read why it was detected.
You see just what triggered the flag, not only a number.
Đây là hình ảnh minh họa:

✓ Điểm kiểm tra: Each flag opens a short explanation written in normal language.
Step 3: Compare the Explanations
Look for repeated reasons across the document, not one odd line.
✅ Kết quả: You understand the reasoning instead of trusting a single number.
💡 Mẹo hay: This scan also handles paraphrased AI text, which basic AI content detectors usually miss.
Hướng dẫn sử dụng tính năng tích hợp GPTZero Canvas
Tích hợp Canvas lets you scan submitted assignments without leaving your classroom software.
Dưới đây là hướng dẫn sử dụng từng bước.
Step 1: Connect Canvas
Link your Canvas account from the integrations page in GPTZero.
Step 2: Pick a Course
Choose the course and the assignments you want covered.
Đây là hình ảnh minh họa:

✓ Điểm kiểm tra: Your course danh sách loads with a scan status beside each student.
Step 3: Review Submissions
Every submission gets scanned as it arrives, with results in one list.
✅ Kết quả: Detection runs quietly in the background for the whole classroom.
💡 Mẹo hay: Tell students the scan exists on day one. Surprise detection damages trust fast.
Mẹo và phím tắt chuyên nghiệp cho GPTZero
After two years of daily use, these are the habits that saved me the most time.
Phím tắt
| Hoạt động | Phím tắt |
|---|---|
| Select the whole document | Ctrl + A / Cmd + A |
| Paste text into the scan box | Ctrl + V / Cmd + V |
| Paste without formatting | Ctrl + Shift + V |
| Find certain words in results | Ctrl + F / Cmd + F |
Những tính năng ẩn mà hầu hết mọi người bỏ lỡ
- Tải lên hàng loạt tập tin: Drop a folder of assignments in at once instead of scanning one document at a time.
- Webpage scanning: The Origin extension will scan any page you are reading for AI generated content.
- Truy cập API: Register on the Developer Portal, grab an API key and push large scan jobs through automatically.
Những lỗi thường gặp khi sử dụng GPTZero cần tránh
Mistake #1: Trusting One Score
❌ Sai: Treating a single number as proof that text was written by AI.
✅ Bên phải: Double check with a second scan and read the sentence level reasons first.
Mistake #2: Scanning Tiny Snippets
❌ Sai: Pasting two sentences and expecting a reliable answer.
✅ Bên phải: Give the detector 200 to 250 words so its statistical analysis has enough data.
Mistake #3: Punishing Students on a Flag Alone
❌ Sai: Failing a student because one paragraph was detected as AI.
✅ Bên phải: Ask for the writing report and the edit history before accusing anyone of using AI.
Khắc phục sự cố GPTZero
Problem: Your Own Essay Was Flagged
Gây ra: Plain, tidy sentence structure looks predictable to any AI detector.
Sửa chữa: Open your GPTZero writing report and share the video replay of your drafting.
Problem: The Same Text Gives Different Results
Gây ra: Minor changes shift the score, and results can wobble on longer texts.
Sửa chữa: Run the scan twice, then compare against a second detector before you decide.
Problem: A File Will Not Upload
Gây ra: Only PDF, DOCX and TXT files are supported.
Sửa chữa: Convert the file first. Text inside images is skipped, so paste that part manually.
📌 Ghi chú: If none of these help, contact GPTZero support.
GPTZero là gì?
GPTZero is an AI detector that tells you whether a document was written by a human.
Think of it as a smoke alarm for AI writing, not a courtroom verdict.
It compares your text against patterns learned from millions of documents.
Here is how GPTZero works when it separates human and AI text.
Two measures do most of the work: sự bối rối and burstiness.
Perplexity basically measures how predictable your word choice is.
Burstiness looks at how much your sentence length varies across the page.
Human writing wanders. AI writing stays flat and even.
Unlike basic AI content detectors, it shows the reasoning behind each call.
That matters on real world drafts that mix both.
Hãy xem đoạn video tổng quan ngắn này:
These are the key features you get:
- Máy dò AI: Paste text and get a probability score showing how much reads as AI generated
- Từ vựng AI: Highlights the word choice patterns that make AI writing sound predictable
- Accurate Plagiarism Checker: A built in plagiarism checker that finds text matching existing online sources
- Free Grammar Checker: Free grammar feedback with suggestions that improve clarity and sentence structure
- Máy dò ảo giác: Flags invented claims and runs citation checks on the sources in your text
- Công cụ chấm điểm AI: Grades assignments against uploaded rubric files with custom feedback prompts
- Xác minh tác giả: Turns your writing process into a report that proves human authorship
- Quét AI nâng cao: Sentence level highlighting with natural language explanations for each flag
- Các tính năng tích hợp với Canvas: Connects to Canvas so teachers can scan assignments where they already grade
The company was built with education in mind and works with the American Federation of Teachers.
Research from trường học such as Penn State still shows that detection accuracy varies between tools.
So no detector is the best solution on its own.
Để xem đánh giá đầy đủ, hãy xem bài viết của chúng tôi. Đánh giá GPTZero.

Bảng giá GPTZero
Here is what GPTZero costs in 2026:
| Kế hoạch | Giá | Tốt nhất cho |
|---|---|---|
| Miễn phí | $0 | Students running the odd scan |
| Phần thưởng | $12.99 | Các nhà văn và biên tập viên checking work weekly |
| Chuyên nghiệp | $24.99 | Teachers scanning whole classroom batches |
Dùng thử miễn phí: Yes, the free plan runs forever with a word limit per scan.
Đảm bảo hoàn tiền: Refunds are handled case by case through support.

💰 Giá trị tốt nhất: Premium — it unlocks batch uploads and longer scans for the price of two coffees.
GPTZero so với các lựa chọn thay thế
How does GPTZero compare with the rest of the field?
| Dụng cụ | Tốt nhất cho | Giá | Xếp hạng |
|---|---|---|---|
| GPTZero | Explaining every flag | 12,99 đô la/tháng | ⭐ 4 |
| QuillBot | Diễn giải lại và viết | 9,95 đô la/tháng | ⭐ 4.5 |
| Trí tuệ nhân tạo độc đáo | Publishers and agencies | 14,95 đô la/tháng | ⭐ 4.4 |
| Trí tuệ nhân tạo Winston | Printable reports | 12 đô la/tháng | ⭐ 4.5 |
| Smodin | All in one toolkit | 10 đô la/tháng | ⭐ 4.2 |
| Quetext | Plagiarism on a budget | 8,80 đô la/tháng | ⭐ 4.1 |
| Không thể phát hiện | Multiple detector scores | 9,99 đô la/tháng | ⭐ 4.3 |
| Trí tuệ nhân tạo Phrasly | Students editing drafts | 9,99 đô la/tháng | ⭐ 4.2 |
| Grammarly | Everyday writing help | 12 đô la/tháng | ⭐ 4.6 |
Lựa chọn nhanh:
- Tốt nhất tổng thể: GPTZero — it shows the reasoning behind every detected sentence.
- Ngân sách tốt nhất: Quetext — cheap plagiarism checking with AI detection attached.
- Phù hợp nhất cho người mới bắt đầu: Grammarly — friendly feedback that fixes your writing as you type.
- Phù hợp nhất cho nhà xuất bản: Originality AI — team seats and scan history for content at scale.
🎯 Các lựa chọn thay thế GPTZero
Bạn đang tìm kiếm các lựa chọn thay thế cho GPTZero? Dưới đây là những lựa chọn hàng đầu:
- 🚀 QuillBot: Fast paraphrasing and a solid free AI detector in one place, ideal for writers polishing drafts before a final scan.
- 🏢 Trí tuệ nhân tạo độc đáo: Built for publishers and agencies. Strong on AI detection plus plagiarism, with team seats and a full scan history.
- 📊 Trí tuệ nhân tạo Winston: High accuracy claims and clean reporting. Popular with educators who want printable evidence for each document.
- 🧠 Smodin: A wide toolkit covering detection, rewriting and citations. Good value if you want more than one tool for the price.
- 💰 Văn bản gốc: Budget friendly plagiarism checking with AI detection added. A simple pick for students on a tight budget.
- ⚡ Không thể phát hiện: Runs several AI content detectors at once and shows every score, which helps you double check a borderline result.
- 🎯 Phrasly AI: Aimed at students who want feedback on AI phrasing before they submit an essay for grading.
- ⭐ Grammarly: Grammar, style and tone feedback with basic AI detection built in. The best solution if writing quality matters most.
Để xem danh sách đầy đủ, vui lòng xem trang của chúng tôi. Các lựa chọn thay thế GPTZero hướng dẫn.
⚔️ So sánh GPTZero
Here is how GPTZero stacks up against each competitor:
- GPTZero đấu với QuillBot: GPTZero wins on detection depth. QuillBot wins if you mostly need rewriting and quick grammar help inside one editor.
- GPTZero so với Trí tuệ nhân tạo sáng tạo: Originality AI suits agencies and publishers. GPTZero fits classroom use better thanks to its writing report and Canvas support.
- GPTZero đấu với AI Winston: Both report high accuracy. GPTZero explains each flagged sentence, while Winston focuses on clean documents you can hand to a manager.
- GPTZero so với Smodin: Smodin bundles more writing tools. GPTZero stays sharper at detecting AI and gives clearer reasons for every result.
- GPTZero so với Quetext: Quetext is cheaper and plagiarism first. GPTZero is the better choice when AI detection is the main job.
- GPTZero so với Không thể phát hiện: Undetectable aggregates other detectors. GPTZero runs its own statistical analysis and shows you the reasoning behind it.
- GPTZero so với AI Phrasly: Phrasly AI targets students editing drafts. GPTZero serves both students and teachers with grading and verification tools.
- GPTZero so với Grammarly: Grammarly is a writing assistant first. GPTZero is a detector first, with far more detail on AI generated content.
Hãy bắt đầu sử dụng GPTZero ngay bây giờ!
You now know how to use every major GPTZero tool:
- ✅ Máy dò AI
- ✅ Từ vựng AI
- ✅ Accurate Plagiarism Checker
- ✅ Free Grammar Checker
- ✅ Máy dò ảo giác
- ✅ Trình chấm điểm AI
- ✅ Xác minh tác giả
- ✅ Quét AI nâng cao
- ✅ Tích hợp Canvas
Bước tiếp theo: pick one feature and try it today.
Hầu hết mọi người bắt đầu với công cụ phát hiện AI.
Chỉ mất chưa đến năm phút.
Used properly, it supports critical thinking instead of replacing it.
That habit protects you and your future assignments.
Câu hỏi thường gặp
Bạn sử dụng GPTZero như thế nào?
Create an account, paste your text or upload a PDF, DOCX or TXT file, then run the scan. GPTZero returns a probability score with sentence level highlighting.
Can GPTZero detect ChatGPT?
Yes. GPTZero is trained to flag text from ChatGPT and other AI chatbot tools, including paraphrased output. It is accurate on longer texts but not perfect.
GPTZero có miễn phí sử dụng không?
Yes, the free plan costs $0 and covers basic scans. Premium is $12.99 and Professional is $24.99, which add batch uploads and higher word limits.
Tại sao GPTZero lại nói tôi đã sử dụng AI trong khi tôi không hề sử dụng?
That is a false positive. Clean, predictable sentence structure can look AI generated. Share your Writing Report as proof the essay was written by a human.
Khả năng phát hiện bằng AI của GPTZero chính xác đến mức nào?
Accuracy is high on longer texts and weaker on short snippets. Independent testing shows results vary, so double check every flag before acting on it.













