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AI Content Detector
Detect if text was written by ChatGPT, Claude, Gemini, or other AI tools. Analyzes 6 linguistic signals to give a confidence score — free, instant, no sign-up.
0 words — need at least 100 for accurate detection
0%
AI Score
⚠️ Disclaimer: This detector uses statistical heuristics and is not 100% accurate. AI detectors can produce false positives and false negatives. Use results as an indicator, not a definitive verdict. Do not make important decisions based solely on this tool.
How the AI Detector Works
1
Paste any text
Paste the text you want to analyze — a blog post, essay, article, or any written content. Works best with 100+ words.
2
The algorithm analyzes 6 signals
It measures sentence length variance, burstiness, word predictability, transition phrases, filler patterns, and vocabulary richness.
3
View the AI probability score
A score close to 100% suggests AI-generated content. Near 0% suggests human-written text. The verdict box explains the finding.
AI Detection — FAQs
Can this detect ChatGPT text?
It analyzes statistical patterns characteristic of AI language models including ChatGPT, Claude, Gemini, and others. No single tool can identify the specific AI used, but it can flag AI-generated patterns.
What is "burstiness" in AI detection?
Burstiness measures variance in sentence lengths. Human writing has "bursts" — very short and very long sentences mixed together. AI writing tends to use more uniform sentence lengths, resulting in lower burstiness.
My human-written text was flagged as AI. Why?
False positives can occur with highly structured, formal writing styles (technical documentation, academic papers) that share patterns with AI text. The detector is a heuristic tool — not a verdict.
How can I make AI text less detectable?
Try our AI Humanizer tool, which rewrites text to add natural human patterns. However, the best approach for authentic content is always original human writing.