Offers broad multilingual AI detection and text humanization, but lacks GPTZero's detailed deep-scan reporting features.
GPTZero records 23,246,989 monthly visits with +32.5% month-over-month growth and Freemium, Paid pricing. SmartProxy records 217 monthly visits with -99.2% growth and Free Trial, Paid pricing.

AI-ready residential proxies and web data at scale
| Dimension / Metric | ![]() | |
|---|---|---|
| Official Domain | gptzero.me | smartproxy.org |
| Pricing Model | Freemium, Paid | Free Trial, Paid |
| Monthly Visits | 23.25M (23,246,989) | 217 (217) |
| MoM Traffic Delta |
| +5.7M (+32.5%) |
| -27.7K (-99.2%) |
| Primary Market & Share | 🇺🇸 United States (54%) | 🇨🇭 Switzerland (57.3%) |
|---|
| Direct Visits / mo | 7.53M | 95 |
|---|
| 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.

AI-ready residential proxies and web data at scale
Route requests through real residential IPs with smart rotation and free geolocation for higher scraping success rates.
Choose unlimited residential traffic, static residential, long-acting ISP, or static datacenter proxies depending on your workflow.
Dedicated scrapers and APIs for web data collection, plus integration guides for AI and automation platforms.
Target locations at country, state and city level, with detailed per-country pools such as Brazil, India, the US, Turkey and Mexico.
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.
#2
Run thousands of ready-made web scrapers and AI agents from one cloud platform

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.

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.

Web data infrastructure for scraping, proxies, and AI-ready datasets

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

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
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.
Run thousands of ready-made web scrapers and AI agents from one cloud platform
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.
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.
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
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