GPTZero records 23,246,989 monthly visits with +32.5% month-over-month growth and Freemium, Paid pricing. SmartStudi.com records 1,898 monthly visits with -55.4% growth and Freemium, Free Trial pricing.
AI detection and writing verification built for schools and editors
AI writing tools for students — detect, paraphrase, cite and write.
| Dimension / Metric | | |
|---|---|---|
| Official Domain | gptzero.me | smartstudi.com |
| Pricing Model | Freemium, Paid | Freemium, Free Trial |
| Monthly Visits | 23.25M (23,246,989) | 1.9K (1,898) |
| MoM Traffic Delta | +5.7M (+32.5%) | -2.36K (-55.4%) |
| Primary Market & Share | 🇺🇸 United States (54%) | 🇺🇸 United States (90.2%) |
| Direct Visits / mo | 7.53M | 748 |
| User Rating | 4.1 | 3.4 |
| 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.
AI writing tools for students — detect, paraphrase, cite and write.
Scan writing with a frequently updated AI content detector and a plagiarism scanner that presents conservative, consistent results.
Rewrite academic text with a paraphraser tuned to produce natural, human-reading prose, with file upload and language options.
Use a chatbot that answers like a general assistant but is designed to produce responses that pass popular AI detectors.
Generate complete citations and annotated bibliographies up to 20 sources at once, plus summarise long texts and check grammar.
Paraphrase, proofread and summarize text with an AI writing workspace
Paraphrase, proofread and summarize text with an AI writing workspace
AI content detection and a full writing toolkit in one place
AI content detection and a full writing toolkit in one place
Academic proofreading, plagiarism checking and AI-powered writing tools in one place
Academic proofreading, plagiarism checking and AI-powered writing tools in one place
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.
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.
SpecialistMultilingual AI detector with sentence-level insight
SpecialistMultilingual AI detector with sentence-level insight
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.
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
Check plagiarism, detect AI text and polish your writing in one place
Check plagiarism, detect AI text and polish your writing in one place
