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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 StealthGPT were tested together.

NoteGPT vs StealthGPT

Head-to-head from the July 2026 cycle benchmark

Last tested
Sample size
33
Methodology
v1.2.0
Winner
61.52
overall
â–¼ 1
Bypass
81.6
Meaning
63.0
Readability
60.6
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 StealthGPT
GPTZero 0.0 80.5
Winston AI 0.2 78.0
ZeroGPT 64.6 80.1
Copyleaks 0.0 82.8
Originality.ai 0.1 78.4

Minimum monthly pricing

NoteGPT
$9.99/mo
Free tier
Yes
StealthGPT
$25.50/mo
Free tier
No