GPTZero
AI Detector
VS
X Detector
Advanced AI content detection to verify human authorship and authenticity
Popularity
GPTZero9,237
X Detector1,700
Pricing
FreemiumGPTZero
FreemiumX Detector
Features
4
GPTZero
vs
3
X Detector
Our verdict
GPTZero is significantly more popular in terms of media coverage and engagement.
GPTZero is more geared toward b2c users, while X Detector targets b2b.
GPTZero offers an API for integration into your workflows.
Detailed comparison
Criteria
GPTZero
X Detector
Pricing
Freemium
Freemium
Plans & pricing
Free: Free
—
Free trial
No
—
Audience
b2c
b2b
Platforms
Web, Api, Cloud-computing
—
API
Yes
—
Open Source
Proprietary
—
Integrations
Zapier, Google-docs, Google-classroom, Canvas, Google-slides, Google-forms, Google-sheets, Google-drive, Gmail, Typeform, Greenhouse, Zengine, Microsoft-word, Relevance-ai, Schmidt-futures, Kritik, Source-scout, Peerceptiv, Brisk-teaching, Revisely
—
Categories
Writing
AI content detection, Security
Popularity
Very High
Moderate
Description
GPTZero is a free AI detector that scans text for potential AI-generated content. It offers an overall AI score and advanced sentence-by-sentence detection for models like ChatGPT, GPT-5, and Gemini. Simply paste your text to get instant results.
X Detector is a specialized tool designed to identify text generated by artificial intelligence models like ChatGPT, Claude, and Gemini. By analyzing linguistic patterns and structural inconsistencies, it provides a precise probability score to help users distinguish between human-written and machine-generated content.
Ideal for educators, editors, and SEO professionals, X Detector ensures transparency and integrity in written communication. Its fast processing engine and high accuracy levels make it a reliable choice for maintaining content quality in the age of AI.
Pricing
GPTZero
Freemium
X Detector
Freemium
Plans & pricing
GPTZero
Free: Free
X Detector
—
Free trial
GPTZero
No
X Detector
—
Audience
GPTZero
b2c
X Detector
b2b
Platforms
GPTZero
Web, Api, Cloud-computing
X Detector
—
API
GPTZero
Yes
X Detector
—
Open Source
GPTZero
Proprietary
X Detector
—
Integrations
GPTZero
Zapier, Google-docs, Google-classroom, Canvas, Google-slides, Google-forms, Google-sheets, Google-drive, Gmail, Typeform, Greenhouse, Zengine, Microsoft-word, Relevance-ai, Schmidt-futures, Kritik, Source-scout, Peerceptiv, Brisk-teaching, Revisely
X Detector
—
Categories
GPTZero
Writing
X Detector
AI content detection, Security
Popularity
GPTZero
Very High
X Detector
Moderate
Description
GPTZero
GPTZero is a free AI detector that scans text for potential AI-generated content. It offers an overall AI score and advanced sentence-by-sentence detection for models like ChatGPT, GPT-5, and Gemini. Simply paste your text to get instant results.
X Detector
X Detector is a specialized tool designed to identify text generated by artificial intelligence models like ChatGPT, Claude, and Gemini. By analyzing linguistic patterns and structural inconsistencies, it provides a precise probability score to help users distinguish between human-written and machine-generated content.
Ideal for educators, editors, and SEO professionals, X Detector ensures transparency and integrity in written communication. Its fast processing engine and high accuracy levels make it a reliable choice for maintaining content quality in the age of AI.
Features
GPTZero
Free AI checker for ChatGPT, GPT-5 & Gemini
Overall AI score
Sentence-by-sentence detection
Scan potential AI text in any document
X Detector
Multi-model AI detection (ChatGPT, Claude, Gemini)
Real-time text analysis
Detailed probability scoring
Key differentiators
GPTZero
- High accuracy AI detection
- Sentence-by-sentence analysis
- Educational focus & LMS integration
- Comprehensive writing toolkit
X Detector
Other comparisons
FAQ: GPTZero vs X Detector
GPTZero: AI Detector. X Detector: Advanced AI content detection to verify human authorship and authenticity. Both tools take different approaches to address similar needs.
Both offer a free or freemium plan. GPTZero is freemium and X Detector is freemium.
The best choice between GPTZero and X Detector depends on your specific needs. Compare their features, pricing, and target audience on this page to find the tool that best fits your use case.
GPTZero is primarily designed for individuals, while X Detector is built for individuals.
GPTZero offers: Free AI checker for ChatGPT, GPT-5 & Gemini, Overall AI score, Sentence-by-sentence detection, Scan potential AI text in any document. X Detector offers: Multi-model AI detection (ChatGPT, Claude, Gemini), Real-time text analysis, Detailed probability scoring.
Based on our data, GPTZero currently enjoys greater popularity. However, popularity isn't the only factor — compare features to find the right tool for your needs.
Neither tool currently offers a free trial.
GPTZero offers 20 integrations (zapier, google-docs, google-classroom, canvas, google-slides...) compared to 0 for X Detector.
