AI Humanizer Benchmark

Best for / Free

Best Free AI Humanizer

How we ranked these

Filtered to humanizers offering a free tier, ranked by composite.

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.ai84.9086.384.877.3nonetoday
2SmartHumanizersmarthumanizer.ai84.8085.387.675.7nonetoday
3WriteHumanwritehuman.ai81.6090.476.272.4-1.0today
4GPTinfgptinf.com78.3079.975.776.7nonetoday
5AI Humanizeaihumanize.io76.1082.670.874.7nonetoday
6HIX Bypassbypass.hix.ai73.8073.280.863.8nonetoday
7StealthGPTstealthgpt.ai71.9074.670.182.7-3.0today
8SuperHumanizersuperhumanizer.ai68.5070.777.374.0-5.0today
9CleverHumanizercleverhumanizer.ai66.8086.565.373.2-11.0today
10ReHumanizerehumanize.io39.003.759.281.4-4.0today

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