Zhuque AI Detector

Zhuque AI Detector is an AI‑generated content detection assistant developed by Tencent Matrix. It evaluates the probability that a text was produced by generative AI by analyzing surface features such as textual regularity and structural clarity, and supports model‑specific detection. Advantages: completely free, 20 daily checks, no registration or login, fast results, making it suitable for quick first‑draft reviews. Disadvantages: the detection logic leans heavily on superficial patterns, leading to instability – slight rewording can drastically change the AI score (the ‘word‑change makes it human’ phenomenon), and genuinely human‑written text may be mistakenly flagged as AI‑assisted. Algorithm updates that tighten standards also mean content that previously passed may later be re‑flagged. The platform itself warns that results are for auxiliary reference only, not for final judgment. It runs entirely in the browser with zero deployment cost, though the free tier is limited to 20 checks per day.