GPTZero records 23,246,989 monthly visits with +32.5% month-over-month growth and Freemium, Paid pricing. OLOCR records 52,933 monthly visits with +45% growth and Free pricing.
AI detection and writing verification built for schools and editors
Free online AI OCR for images, tables and PDFs
| Dimension / Metric | | |
|---|---|---|
| Official Domain | gptzero.me | olocr.com |
| Pricing Model | Freemium, Paid | Free |
| Monthly Visits | 23.25M (23,246,989) | 52.93K (52,933) |
| MoM Traffic Delta | +5.7M (+32.5%) | +16.43K (+45%) |
| Primary Market & Share | 🇺🇸 United States (54%) | 🇺🇸 United States (18.9%) |
| Direct Visits / mo | 7.53M | 20.49K |
| User Rating | 4.1 | 4.2 |
| 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.
Free online AI OCR for images, tables and PDFs
Separate workflows for Image to Excel, Image to Word, PDF to Searchable, Image to Text, GIF to Text and an image translator, so you start from the output you need.
Handles table borders, merged cells, multi-row header spans and nested hierarchies, producing properly aligned .xlsx output instead of a wall of text.
Recognises handwritten figures in paper grids and crops photos embedded in table cells directly into the exported spreadsheet.
Processes multiple images or PDF pages in one pass and supports more than 100 languages, including CJK scripts.
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.
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.
Free online OCR that turns any image into editable text in seconds
Free online OCR that turns any image into editable text in seconds
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.
A free, AI-powered PDF editor for every device
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.
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.
SpecialistExtract editable text from images, scans and handwriting with OCR
SpecialistExtract editable text from images, scans and handwriting with OCR
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
Free online OCR that turns JPG, PNG and scanned images into editable text
Free online OCR that turns JPG, PNG and scanned images into editable text
