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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

HIX Bypass vs StealthGPT

Head-to-head from the August 2026 cycle benchmark

Last tested
Sample size
33
Methodology
v1.2.0
Winner
67.93
overall
â–² 2
Bypass
75.2
Meaning
76.7
Readability
38.3
45.55
overall
â–¼ 4
Bypass
27.5
Meaning
62.9
Readability
70.9

Side-by-side metrics

Detector-level breakdown

Gold cell wins each row.

Detector HIX Bypass StealthGPT
GPTZero 13.1 52.6
Winston AI 85.6 25.2
ZeroGPT 88.8 46.0
Copyleaks 76.2 24.2
Originality.ai 39.5 20.2

Minimum monthly pricing

HIX Bypass
$14.99/mo
Free tier
Yes
StealthGPT
$25.50/mo
Free tier
No