Cycle recaps, methodology changelogs, and analysis of detector and humanizer shifts, published alongside each monthly run. Subscribe via RSS.
October 1, 2026
UndetectedGPT takes October at 88.12, more than four points clear of HIX Bypass, which climbed from sixth. The tool that beat all seven detectors on 30 of its 33 texts finished seventh, and business email was again the hardest category.
September 3, 2026
UndetectedGPT takes the first cycle at 84.9, a tenth of a point ahead of SmartHumanizer. The tool with the most perfect detector sweeps finished ninth, business email broke almost the entire field, and the last-place tool preserved meaning best.
September 3, 2026
AI humanizer marketing runs on unverifiable claims. This is the alternative: a monthly measured benchmark where every tool faces the same texts and the same seven detectors, and where every published number can be recomputed from raw data.
AI Humanizer Benchmark