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. Grain records 174,166 monthly visits with -14.8% growth and Freemium, Free Trial, Contact for Pricing pricing.

The AI notetaker that turns meetings into ready-to-use context for your AI agents
| Dimension / Metric | ![]() | |
|---|---|---|
| Official Domain | gptzero.me | grain.com |
| Pricing Model | Freemium, Paid | Freemium, Free Trial, Contact for Pricing |
| Monthly Visits | 23.25M (23,246,989) | 174.17K (174,166) |
| MoM Traffic Delta |
| +5.7M (+32.5%) |
| -30.35K (-14.8%) |
| Primary Market & Share | 🇺🇸 United States (54%) | 🇺🇸 United States (66.8%) |
|---|
| Direct Visits / mo | 7.53M | 132.25K |
|---|
| User Rating | 4.1 | 4.5 |
|---|
| 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.

The AI notetaker that turns meetings into ready-to-use context for your AI agents
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
Provides highly accurate live transcription and team chat summaries, but has weaker video clip editing features than Grain.

Delivers generous free video recording and AI summaries, but offers less advanced custom workflow automation than Grain.

Offers robust enterprise conversation search and CRM integrations, but lacks Grain's focus on video clip clipping and sharing.
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.
Great for recording global video calls with translation support, but features a less streamlined workflow for highlight clips.

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
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.
Provides highly accurate live transcription and team chat summaries, but has weaker video clip editing features than Grain.
Delivers generous free video recording and AI summaries, but offers less advanced custom workflow automation than Grain.
Offers robust enterprise conversation search and CRM integrations, but lacks Grain's focus on video clip clipping and sharing.
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.
Great for recording global video calls with translation support, but features a less streamlined workflow for highlight clips.
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