AI Humanizer Benchmark

Best for / Originality.ai

Best AI Humanizer for Originality.ai

How we ranked these

Ranked by mean human-probability (the average human-likelihood score Originality.ai gave each tool's outputs). No other detector or quality metric is included.

Last tested
Sample size
33
Methodology
v1.1.0
AI humanizer ranking for the October 2026 cycle, ordered by Score.
RankHumanizerPenaltiesTrendRaw data
1WriteHumanwritehuman.ai99.897.653.271.4-4.0.jsonl
2UndetectedGPTundetectedgpt.ai96.796.077.483.6none.jsonl
3CleverHumanizercleverhumanizer.ai93.885.965.576.8-9.0.jsonl
4GPTinfgptinf.com92.288.768.377.7none.jsonl
5HIX Bypassbypass.hix.ai89.193.577.964.3none.jsonl
6SuperHumanizersuperhumanizer.ai88.283.975.271.0-1.0.jsonl
7AI Humanizeaihumanize.io85.589.566.472.1-1.0.jsonl
8SmartHumanizersmarthumanizer.ai82.978.282.977.5none.jsonl
9StealthGPTstealthgpt.ai62.762.867.780.6-4.0.jsonl
10Undetectable AIundetectable.ai3.81.872.973.2-12.0.jsonl
11ReHumanizerehumanize.io0.01.768.782.7-4.0.jsonl

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