GPTZero records 23,246,989 monthly visits with +32.5% month-over-month growth and Freemium, Paid pricing. Overleaf Copilot records 0 monthly visits with — growth and Freemium pricing.
AI detection and writing verification built for schools and editors
ChatGPT polishing, grammar checks and translation inside the Overleaf editor
| Dimension / Metric | | |
|---|---|---|
| Official Domain | gptzero.me | chromewebstore.google.com |
| Pricing Model | Freemium, Paid | Freemium |
| Monthly Visits | 23.25M (23,246,989) | 0 (0) |
| MoM Traffic Delta | +5.7M (+32.5%) | 0 (—) |
| Primary Market & Share | 🇺🇸 United States (54%) | 🌐 Global (—) |
| Direct Visits / mo | 7.53M | 0 |
| User Rating | 4.1 | 4.4 |
| Supported Platforms | Website | Browser Extension |
AI detection and writing verification built for schools and editors
Paste text or upload a document and get an overall AI probability score plus a sentence-by-sentence breakdown of which parts look machine-written.
Flags AI text from major model families including ChatGPT, Gemini, Claude, Llama, and others, rather than training for a single model.
A Chrome extension and Google Docs add-on bring scanning into Gmail, Docs, Classroom, and other surfaces you already work in.
Checks content for copied passages from outside sources so you can separate AI-generation questions from originality questions.
ChatGPT polishing, grammar checks and translation inside the Overleaf editor
Select a passage and have ChatGPT revise it in place, with the option to state the specific revisions you want.
Checks grammar in both English and Chinese, useful for authors writing in a second language.
Translates text while preserving academic register and discipline-specific terminology rather than producing generic output.
A library of curated academic prompts that you can browse, reuse and share, plus fully custom prompts for your own style.
Cross-platform AI writing assistant delivering real-time grammar correction, tone alignment, authorship tracking, and team style guides.
Cross-platform AI writing assistant delivering real-time grammar correction, tone alignment, authorship tracking, and team style guides.
Paraphrase, proofread and summarize text with an AI writing workspace
Paraphrase, proofread and summarize text with an AI writing workspace
Offers broad multilingual AI detection and text humanization, but lacks GPTZero's detailed deep-scan reporting features.
Offers broad multilingual AI detection and text humanization, but lacks GPTZero's detailed deep-scan reporting features.
Academic proofreading, plagiarism checking and AI-powered writing tools in one place
Academic proofreading, plagiarism checking and AI-powered writing tools in one place
AI grammar, spelling and style checker for 30+ languages
AI grammar, spelling and style checker for 30+ languages
SpecialistCombines AI detection with robust text humanization tools, but focuses more heavily on rewriting than pure verification.
SpecialistCombines AI detection with robust text humanization tools, but focuses more heavily on rewriting than pure verification.
AI sidebar and browser agent for reading, writing and research
AI sidebar and browser agent for reading, writing and research
Provides robust enterprise-grade content integrity and cross-media detection, but can be more expensive for individual users.
Provides robust enterprise-grade content integrity and cross-media detection, but can be more expensive for individual users.
Delivers strong fact-checking and comprehensive site-wide plagiarism audits, but has stricter paywalls than GPTZero.
Delivers strong fact-checking and comprehensive site-wide plagiarism audits, but has stricter paywalls than GPTZero.
AI academic writing assistant that edits, cites, and checks your manuscript right where you write
AI academic writing assistant that edits, cites, and checks your manuscript right where you write
Provides detailed sentence-level analysis for multilingual text, but lacks GPTZero's broad academic brand recognition.
Provides detailed sentence-level analysis for multilingual text, but lacks GPTZero's broad academic brand recognition.
Excels at scanning both text and images with high accuracy, but offers fewer free daily checks than GPTZero.
Excels at scanning both text and images with high accuracy, but offers fewer free daily checks than GPTZero.
