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The August 2026 results are in: WriteHuman holds #1, Undetectable AI falls to #8 on quality penalties.Read the full analysis →
HumanizerBench

AI Humanize io vs Humanize AI Pro

Head-to-head from the August 2026 cycle benchmark

Last tested
Sample size
33
Methodology
v1.2.0
Winner
71.40
overall
â–² 1
Bypass
83.5
Meaning
67.1
Readability
52.3
64.57
overall
â–² 4
Bypass
70.8
Meaning
64.4
Readability
54.6

Side-by-side metrics

Detector-level breakdown

Gold cell wins each row.

Detector AI Humanize io Humanize AI Pro
GPTZero 54.4 82.6
Winston AI 80.7 83.2
ZeroGPT 85.5 90.5
Copyleaks 63.7 65.5
Originality.ai 40.1 63.6

Minimum monthly pricing

AI Humanize io
$15.00/mo
Free tier
Yes
Humanize AI Pro
$9.99/mo
Free tier
Yes