AI Detector Pro
8.1#1 in ai content detection softwareFree planFree planAndroidWebAPImacOS
VisitAI Detector Pro vs GPTZero
What both publish
| Fact | AI Detector Pro | GPTZero |
|---|---|---|
| API | API access requires an eligible subscription and costs $0.09 per unit of up to 4,000 characters for report requests; other endpoints are free. | The API accepts files and text and returns AI-detection probabilities at document, paragraph, and sentence level, including batch inference. |
| Integrations | Basic and Unlimited plans list Microsoft Word and Google Docs plugins. | GPTZero lists Google Classroom and Canvas LMS integrations, an API for developers, and a Zapier integration. |
| Intended users | The company says the product is intended to help students and employees avoid unfair accusations of cheating. | GPTZero describes its audiences as educators and students, as well as publishers, recruiters, copywriters, marketers, and businesses. |
| Languages | Official pages list detection for English, Spanish, French, Arabic, German, Korean and Portuguese. | GPTZero says it fully supports English, German, Portuguese, French, and Spanish. |
| Model coverage | The FAQ says training includes GPT-5, GPT-4, O1/3/4, Gemini, Claude and other common language models. | The detector supports text from ChatGPT, GPT-3 through GPT-6, Gemini, Claude, and Copilot, among other models. |
| Privacy | The privacy policy says the company does not sell personal information and that user text may be shared with third-party AI models to provide core functionality. | GPTZero says it does not store or collect documents submitted through API calls, while dashboard inputs may be used in aggregate to improve the service. |
| Purpose | AI Detector Pro detects signs of AI in documents and offers tools to revise or humanize text. | GPTZero identifies AI-generated text and highlights AI use at document, sentence, and word level. |
AI Detector Pro plans
- FreeFree
- API usage$0.09, paid once
- Basic—
- Unlimited—
GPTZero plans
- FreeFree
- Essential$8.33 a month
- Premium$12.99 a month
- Professional$24.99 a month
Pick AI Detector Pro if…
The company says the product is intended to help students and employees avoid unfair accusations of cheating. It may suit people who want AI-writing signals and text revision tools, while keeping in mind that results can be wrong.
Pick GPTZero if…
GPTZero suits educators, hiring teams, publishers, journalists, and others assessing writing authenticity. Its API, browser extension, and education integrations may also suit users who want detection in existing workflows.