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. Semflow records 4,024 monthly visits with -15.8% growth and Freemium, Free Trial pricing.

Get found on Google and in AI chats, without leaving your site builder.
| Dimension / Metric | ![]() | |
|---|---|---|
| Official Domain | gptzero.me | semflow.com |
| Pricing Model | Freemium, Paid | Freemium, Free Trial |
| Monthly Visits | 23.25M (23,246,989) | 4.02K (4,024) |
| MoM Traffic Delta | +5.7M (+32.5%) |
| -756 (-15.8%) |
| Primary Market & Share | 🇺🇸 United States (54%) | 🇺🇸 United States (100%) |
|---|
| Direct Visits / mo | 7.53M | 1.58K |
|---|
| User Rating | 4.1 | 4.3 |
|---|
| 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.

Get found on Google and in AI chats, without leaving your site builder.
Semflow checks every page of your site, ranks each issue by impact, and walks you through the fix inside your site builder so you always know where to start.
See whether ChatGPT, Perplexity, Gemini and Google's AI answers mention your site, find out what is holding you back, and track visibility as you improve.
Automatic re-audits catch problems before your clients do, with rankings, site score and AI visibility tracked over time in one dashboard.
A Chrome extension brings full site audits, keyword research and optimization guidance to any website on any platform, not just Webflow and Framer.
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.
#2SpecialistCombines 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

SpecialistCheck plagiarism, detect AI text and polish your writing in one place
AI visibility platform to get your brand cited in AI search
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 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
SpecialistCheck plagiarism, detect AI text and polish your writing in one place
AI visibility platform to get your brand cited in AI search