GPTZero flags low perplexity. Humdraft rewrites at the cadence layer so your draft reads with the burstiness humans naturally write with.
Three steps. Same draft, better rhythm. The bee handles the polish.
Drop up to 500 words into the editor. No signup, no card, no waiting room.
One click runs the polish pass and scores live across GPTZero, Turnitin, Originality, and Copyleaks.
Output lands in under 3 seconds with all four detector scores visible. Copy, ship, sleep.
Specific questions about pass gptzero — straight answers, no fluff.
A measure of how predictable the next word is. Low perplexity = AI-typical phrasing. Humdraft varies word choice to lift it into the human range.
Variation in sentence length and complexity. Humans burst — short, long, fragment, run-on. AI tends to write evenly. We restore the burst.
No. Same vocabulary, varied rhythm. The rewrite reads more natural, not less informed.
We refresh prompts every two weeks against detector updates. If a model shifts, we reflow.