GPTZero records 23,246,989 monthly visits with +32.5% month-over-month growth and Freemium, Paid pricing. OpenParser AI records 0 monthly visits with 0% growth and Free Trial, Paid, Contact for Pricing pricing.
AI detection and writing verification built for schools and editors
Cited, source-backed answers from your documents, websites, and SQL databases
| Dimension / Metric | ||
|---|---|---|
| Official Domain | gptzero.me | openparser.ai |
| Pricing Model | Freemium, Paid | Free Trial, Paid, Contact for Pricing |
| Monthly Visits | 23.25M (23,246,989) | 0 (0) |
| MoM Traffic Delta | +5.7M (+32.5%) | 0 (0%) |
| Primary Market & Share | 🇺🇸 United States (54%) | 🌐 Global (—) |
| Direct Visits / mo | 7.53M | 0 |
| User Rating | 4.1 | 4.4 |
| Supported Platforms | Website | Website |
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.
Cited, source-backed answers from your documents, websites, and SQL databases
Every response carries a citation back to the page, row, or paragraph in your own sources, and the platform says so when a claim cannot be supported.
Pre-built agents produce complete work products such as risk registers, compliance gap reports, and validated invoice batches instead of a raw chat log.
Reads uploaded documents plus live website URLs, and connects to Google Drive, SharePoint, and SQL databases with auto-sync to keep content current.
Query SQL databases and search document sets in natural language without needing SQL skills or manual reading.
Real-time AI answer engine and research workspace combining live web citations with frontier reasoning models.
Real-time AI answer engine and research workspace combining live web citations with frontier reasoning models.
AI content detection and a full writing toolkit in one place
AI content detection and a full writing toolkit in one place
SpecialistCombines AI detection with professional human proofreading and citation tools, but functions primarily as an editing service.
SpecialistCombines AI detection with professional human proofreading and citation tools, but functions primarily as an editing service.
Detect, humanize and verify AI content in one place
Detect, humanize and verify AI content in one place
Enterprise AI and plagiarism detection for content integrity
AI detector, plagiarism and content-quality checks in one scan
AI detector, plagiarism and content-quality checks in one scan
Multilingual AI detector with sentence-level insight
Multilingual AI detector with sentence-level insight
Detect AI-generated text and images with benchmark-tested accuracy
Detect AI-generated text and images with benchmark-tested accuracy
Free AI detector with sentence-level insight and a humanizer
Free AI detector with sentence-level insight and a humanizer
AI detector that highlights evidence, not just a score
AI detector that highlights evidence, not just a score
SpecialistTailors detection specifically for academic institutions and LMS integrations, but is less optimized for casual web users.
SpecialistTailors detection specifically for academic institutions and LMS integrations, but is less optimized for casual web users.
SpecialistHumanize AI text and check it against AI detectors
SpecialistHumanize AI text and check it against AI detectors
