LLM-Generated Text Detector
Identify text generated by GPT, Claude, Gemini, and other LLMs with explainable signals and calibrated confidence scores.
What We Detect
Comprehensive LLM-generated text detection
GPT Detection
Detect text generated by GPT-4, GPT-3.5, and earlier GPT models
Claude Detection
Identify Claude-generated text across different versions and styles
Gemini Detection
Detect Google Gemini and Bard-generated content
LLM Patterns
Identify common LLM writing patterns and stylistic markers
Mixed Content
Detect human-AI hybrid text with confidence estimation per segment
Multilingual
Support for 10+ languages including English, Spanish, French, German, and Chinese
Explainable Evidence
Understand exactly why text was flagged
Evidence Types
- โPerplexity and burstiness scores
- โStylometric signal analysis
- โSentence-level confidence bands
- โLinguistic pattern detection
Performance
- โกSub-200ms average response time
- ๐Batch processing for large documents
- ๐ฏ91%+ accuracy on in-the-wild dataset
API Integration
Get started in minutes with our unified API
curl -X POST https://api.zerotrue.app/v1/detect \
-H "Content-Type: application/json" \
-H "Authorization: Bearer YOUR_API_KEY" \
-d '{
"modality": "text",
"url": "Sample text content",
"options": {
"include_evidence": true
}
}'Limitations & Best Practices
Understanding model constraints for optimal results
False Positive Risk
Professional writing, edited text, or short samples may increase false positives.
Adversarial Attacks
Human paraphrasing and AI obfuscation tools may evade detection.
Generalization Bounds
Performance varies by domain and writing style. Best on academic/professional content.