AI Writing Pattern Detector

Paste text to analyze sentence uniformity, word variety, and predictability — signals that often differ between human and AI writing. Results are heuristic estimates, not definitive proof of AI authorship.

Pattern Analysis

Analyzes sentence length and word variety.

Perplexity Heuristic

Estimates predictability based on structure.

Private

No text is sent to any server.

Frequently Asked Questions

Is this a real AI detector?

No. It uses local heuristics to estimate AI probability and should not be used as proof.

What signals does it check?

Sentence uniformity, word variety, and a simple perplexity-style score.

Can humans get high AI scores?

Yes. Highly structured or repetitive writing may score as AI.