# GPT Zero

> AI content detection tool that identifies AI-written text with high accuracy.

GPTZero is the leading AI detection tool used by educators, journalists, and organizations to determine whether text was written by AI. It analyzes writing patterns, perplexity, and burstiness to provide detailed reports on the likelihood of AI authorship.

## Quick facts

- Categories: AI Detection, Education, Writing
- Pricing: Freemium (free plan + paid tiers)
- Free plan: Yes
- Official site: https://gptzero.me/
- Last checked: 2026-10-23

## Key features

- AI content detection for text identification
- Detects ChatGPT, GPT-4, Bard, and other AI writing
- Sentence-level detection highlighting
- Plagiarism detection integration
- API for developers and platforms
- Batch document checking
- Detailed probability scores
- Free basic detection tool
- Education and academic institution focus
- Regularly updated detection models

## Use cases

- Detecting AI-written student essays and assignments
- Academic integrity verification for educators
- Content originality verification for publications
- Identifying AI-generated content for editors
- Compliance checking for no-AI content policies
- Journalism and fact-checking authenticity verification

## Links

- Nextool.ai page: https://nextool.ai/tools/gpt-zero/
- Alternatives: https://nextool.ai/alternatives/gpt-zero/

Source: Nextool.ai (https://nextool.ai/tools/gpt-zero/). Pricing and features change; confirm on the provider's site before relying on them.