简介 GPTZero
GPTZero is the leading AI detector for checking whether a document was written by a large language model such as ChatGPT. It detects AI on sentence, paragraph, and document level. The model was trained on a large, diverse corpus of human-written and AI-generated text, with a focus on English prose. It has served over 2.5 million users around the world and works with over 100 organizations in various fields.
核心功能
Quick scan of what stands out
- 1
Integrates the latest research in detecting AI text and hallucinations
- 2
Detects multiple AI models like ChatGPT, GPT4, Google-Gemini, LLaMa
- 3
Includes a free grammar check with every scan
- 4
Premium features: find new sources, advanced insights, scan AI vocabulary, improve writing, find plagiarism
- 5
Precise and reliable AI detection results
- 6
Classify AI text from major AI models
- 7
Get advanced accuracy
- 8
Verify real writing with video replay and human writing verification
- 9
Easily integrate with learning management systems
- 10
Improve with AI Tutor
- 11
Detect plagiarism
- 12
Enterprise-certified AI detection
- 13
Built-in AI detection for classrooms and workspaces
- 14
Multiple subscription plans with different word limits and features
使用场景
Where this tool fits best
- ✓
Education: Help teachers check students' work, promote healthy use of AI in education
- ✓
Certification, hiring and recruitment: Ensure the authenticity of written materials
- ✓
Social writing platforms: Detect AI-generated content
- ✓
Disinformation detection
价格与套餐 2026
Free tier available with limited features
Free
Access Basic AI detection.
Free
- 10,000 words per month
- Basic AI Scan
- 5 Free Advanced Scans
Essential
More words for basic AI detection.
$8.33 / month
- 150,000 words per month
- Basic AI Scan
- Grammar Check
- AI Vocabulary Check
- Chrome Extension
Premium
Access all of our premium features.
$12.99 / month
- 300,000 words per month
- All of Essential
- Advanced Scan
- Writing Feedback
- Plagiarism Check
- Source and Generate Citations
Professional
For teams and enterprises.
$24.99 / month
- 500,000 words per month
- All of Premium
- Up to 10 million words overage
- Scan up to 250 files at once
- Page by page scanning
- Teams Collaboration
- Enterprise grade security
- AI Text Detection and Analysis Trusted by Leading Organizations
Professional Plan for Teams
Everything you get with a Professional plan, for everyone.
$49.98 per month
- Shared team credits
- Unified billing
- API for developers
- Ready-to-use code available in 17 different languages, including Node.JS, Python, C#, Java, PHP, and more.