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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
Not in the current cycle. Data shown is from cycle July 2026, the most recent cycle where both NoteGPT and Stealth Writer were tested together.

NoteGPT vs Stealth Writer

Head-to-head from the July 2026 cycle benchmark

Last tested
Sample size
33
Methodology
v1.2.0
Winner
68.07
overall
â–¼ 3
Bypass
81.2
Meaning
68.5
Readability
44.5
44.04
overall
-
Bypass
0.0
Meaning
69.1
Readability
74.5

Side-by-side metrics

Detector-level breakdown

Gold cell wins each row.

Detector NoteGPT Stealth Writer
GPTZero 0.0 36.5
Winston AI 0.2 89.4
ZeroGPT 64.6 89.5
Copyleaks 0.0 81.8
Originality.ai 0.1 46.0

Minimum monthly pricing

NoteGPT
$9.99/mo
Free tier
Yes
Stealth Writer
$20.00/mo
Free tier
Yes