GPTZero records 23,246,989 monthly visits with +32.5% month-over-month growth and Freemium, Paid pricing. Grok records 203,846,050 monthly visits with -0.8% growth and Freemium pricing.
AI detection and writing verification built for schools and editors
xAI's real-time AI assistant and coding workspace powered by Grok 4.7 with live X integration.
| Dimension / Metric | | |
|---|---|---|
| Official Domain | gptzero.me | grok.com |
| Pricing Model | Freemium, Paid | Freemium |
| Monthly Visits | 23.25M (23,246,989) | 203.85M (203,846,050) |
| MoM Traffic Delta | +5.7M (+32.5%) | -1.62M (-0.8%) |
| Primary Market & Share | 🇺🇸 United States (54%) | 🇺🇸 United States (27.7%) |
| Direct Visits / mo | 7.53M | 133.67M |
| 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.
xAI's real-time AI assistant and coding workspace powered by Grok 4.7 with live X integration.
Features configurable reasoning, low hallucination rates, native agentic tool calling, and a 500K-token context window (with up to 2M tokens on Grok 4.1 Fast).
Combines live web browsing with direct access to real-time posts, threads, and breaking events on X to deliver up-to-the-minute synthesis.
Provides a dedicated agentic coding environment with Grok Build 0.1 and Grok 4.7 Fast, while October 2026 subscription tiers bundle access to the Cursor code editor.
Generates high-resolution images and video clips alongside real-time speech-to-speech Voice mode from a single shared weekly usage pool.
Stronger reasoning and broader app ecosystem, but lacks Grok's native live X social media data integration.
Stronger reasoning and broader app ecosystem, but lacks Grok's native live X social media data integration.
Better Google workspace integration and massive context window, but lacks Grok's edgy conversational tone and X feed.
Better Google workspace integration and massive context window, but lacks Grok's edgy conversational tone and X feed.
Superior coding and document analysis, but lacks real-time social media search and instant image generation.
Superior coding and document analysis, but lacks real-time social media search and instant image generation.
SpecialistCommercially safe creative design and editing tools, but lacks general-purpose conversational chat and web search.
SpecialistCommercially safe creative design and editing tools, but lacks general-purpose conversational chat and web search.
Free / Open-sourceOutstanding low-cost reasoning and open-weight model performance, but lacks real-time social data search capabilities.
Free / Open-sourceOutstanding low-cost reasoning and open-weight model performance, but lacks real-time social data search capabilities.
SpecialistExceptional cited web research and source verification, but lacks conversational flexibility and built-in image generator.
SpecialistExceptional cited web research and source verification, but lacks conversational flexibility and built-in image generator.
Free social-integrated assistant with image generation, but less advanced coding and reasoning capabilities than Grok.
Free social-integrated assistant with image generation, but less advanced coding and reasoning capabilities than Grok.
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.
SpecialistPowerful long-context document analysis and deep research, but lacks real-time social data search and image creation.
SpecialistPowerful long-context document analysis and deep research, but lacks real-time social data search and image creation.
SpecialistAdvanced agentic search and automated research pages, but less polished as a general daily chat assistant.
SpecialistAdvanced agentic search and automated research pages, but less polished as a general daily chat assistant.
SpecialistFar superior high-aesthetic image generation, but entirely lacks conversational chat, coding, and web search features.
SpecialistFar superior high-aesthetic image generation, but entirely lacks conversational chat, coding, and web search 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.
