Detect AI Content With Professional Accuracy
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Simple, Transparent Pricing
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AI Detector & ChatGPT Checker | 99% Accurate
Instantly detect ChatGPT, GPT-4, Claude, and Gemini text. Our advanced neural network analyzes perplexity and burstiness to spot machine-generated content with professional accuracy.
Protects Academic Integrity
AI detection helps educators and institutions maintain high academic standards by identifying machine-generated content, ensuring authentic student work and original thinking.
Verifies Content Authenticity
For publishers, businesses, and content creators, AI detection ensures genuine human authorship, maintaining trust and quality standards in an AI-driven world.

How It Works
Enter Text
Paste the content you want to analyze into the text box.
AI Analysis
Our advanced ML model analyzes patterns and linguistic features.
Get Results
Receive a detailed report with confidence scores and insights.
Why Our AI Checker is More Accurate
Not all detectors are created equal.
| Feature | NexaWrite AI Detector | Basic Checkers |
|---|---|---|
| Analysis Method | Multi-Layer Neural Analysis | Simple Keyword Matching |
| Detects GPT-4? | Yes (High Sensitivity) | No (Often Misses It) |
| False Positive Rate | Low (< 2%) | High (Flags Humans) |
| Score Breakdown | Detailed Sentence-Level Heatmap | Single Generic % Score |
Essential for Academic & Professional Integrity
For Teachers & Educators
Ensure student authenticity. Our tool integrates seamlessly into your grading workflow to verify essays against ChatGPT and other LLMs.
For Students (Self-Check)
Avoid false accusations. Run your essay through our checker before submitting to Turnitin to ensure your original work isn't flagged by mistake.
For SEOs & Publishers
Protect your rankings. Google penalizes low-effort AI content. Verify your writers' work to ensure it meets "Human-Written" standards.
Simple, transparent pricing
Choose the perfect plan for your needs. Start free, upgrade when you're ready.
Free
Perfect for trying out NexaWrite
- 500 words per month
- Up to 200 words per request
- AI detection bypass
- Basic customer support
- No credit card required
Pro
Best for regular users
- 10,000 words per month
- Up to 1,000 words per request
- AI detection bypass
- Priority customer support
- Monthly usage resets
- Cancel anytime
Plus
For power users
- 30,000 words per month
- Up to 1,500 words per request
- AI detection bypass
- Priority customer support
- Monthly usage resets
- Cancel anytime
Frequently Asked Questions
Yes. NexaWrite is trained on the latest LLM outputs, including GPT-4o, Claude 3.5 Sonnet, and Gemini Advanced. We analyze the underlying syntax patterns (low perplexity) that these specific models leave behind.
Our model has a 98.7% accuracy rate in distinguishing between human and AI text. However, no detector is perfect, which is why we provide a detailed "Probability Score" rather than a simple Yes/No.
If your original work is flagged (a False Positive), use our AI Humanizer tool. It restructures your sentences to add "burstiness" and natural variation, removing the robotic signals that trigger detectors.
Yes. You can check up to 250 words for free with no account required. For longer documents (thesis papers, articles), our Pro plan offers unlimited scanning.