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The July 2026 results are in: WriteHuman takes #1, Undetectable AI moves up to #2.Read the full analysis →
HumanizerBench

StealthGPT vs Walter Writes

Head-to-head from the July 2026 cycle benchmark

Last tested
Sample size
33
Methodology
v1.2.0
Winner
62.84
overall
â–² 3
Bypass
80.6
Meaning
64.7
Readability
61.5
61.52
overall
â–¼ 1
Bypass
81.6
Meaning
63.0
Readability
60.6

Side-by-side metrics

Detector-level breakdown

Gold cell wins each row.

Detector StealthGPT Walter Writes
GPTZero 80.5 82.5
Winston AI 78.0 75.4
ZeroGPT 80.1 84.3
Copyleaks 82.8 58.7
Originality.ai 78.4 50.9

Minimum monthly pricing

StealthGPT
$25.50/mo
Free tier
No
Walter Writes
$12.00/mo
Free tier
Yes