AI Humanizer Benchmark

Best for / Originality.ai

Best AI Humanizer for Originality.ai

How we ranked these

Ranked by mean human-probability from Originality.ai alone.

Last tested
2026-09-03T16:11:14.775Z
Sample size
33
Methodology
v1.0.0
AI humanizer ranking for the September 2026 cycle, ordered by Score.
RankHumanizerPenaltiesTrendLast tested
1UndetectedGPTundetectedgpt.ai79.286.384.877.3nonetoday
2SmartHumanizersmarthumanizer.ai78.285.387.675.7nonetoday
3CleverHumanizercleverhumanizer.ai67.086.565.373.2-11.0today
4WriteHumanwritehuman.ai59.290.476.272.4-1.0today
5SuperHumanizersuperhumanizer.ai50.870.777.374.0-5.0today
6StealthGPTstealthgpt.ai48.274.670.182.7-3.0today
7GPTinfgptinf.com33.879.975.776.7nonetoday
8HIX Bypassbypass.hix.ai24.673.280.863.8nonetoday
9AI Humanizeaihumanize.io23.282.670.874.7nonetoday
10ReHumanizerehumanize.io0.13.759.281.4-4.0today
11Undetectable AIundetectable.ai0.00.289.671.7-12.0today

11 humanizers · 7 detectors · scores out of 100, higher is better. Click a column to sort; hover a penalty for the breakdown.