GPTZero
Market LeaderThe leading AI content detector for educators and publishers, with 99%+ accuracy on AI-written text.
👥 4M+ users users💰 $10M+ raised
✓ Last verified: March 2026
GPTZero is the gold standard for AI content detection, developed specifically for the education sector. It analyzes text perplexity and burstiness to determine if content was written by AI models like ChatGPT, Claude, or Gemini, with industry-leading accuracy.
Our Ratings
9
Ease of Use
9
Output Quality
8
Value
Support
Versatility
Key Features
- ✓AI detection
- ✓Sentence-level highlighting
- ✓Batch scanning
- ✓Plagiarism detection
- ✓API access
- ✓Writing reports
- ✓LMS integration
- ✓Multi-model detection
Best For
- 👍 Educators checking student work
- 👍 Publishers verifying content
- 👍 Academic integrity
Limitations
- ⚠️ Not 100% accurate
- ⚠️ Can flag human-written text
- ⚠️ Less reliable on short texts
Integrations
CanvasTurnitinGoogle ClassroomAPI
Quick Facts
DifficultyBeginner
Team sizeany
API accessYes
Mobile appNo
Data privacyhigh
Advertisement
Ad: tool-sidebar · sidebar