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The September 2026 results are in: WriteHuman holds #1, and newcomer SupWriter debuts at #5.Read the full analysis →
HumanizerBench

Head to head · September 2026 cycle

StealthBypass vs Super Humanizer

Super Humanizer finished 21.6 points ahead of StealthBypass in the September 2026 cycle, 60.97 to 39.38, ranking #11 against #13 in a field of 14. Super Humanizer scored higher on 1 of 5 detectors and 7 of 7 writing categories. StealthBypass came out ahead on GPTZero (69.3 vs 54.6), bypass rate (78.6 vs 64.4) and consistency across categories (80.7 vs 68.5). The bypass-rate gap, 78.6 to 64.4, sits inside both tools' 95% confidence intervals, so treat bypass as a draw.

39.38 /100
overall score
#13 /14
rank -
+21.59
Super Humanizer leads →
Detectors
4 1
Categories
0 7
Components
3 2
60.97 /100
overall score
#11 /14
rank ▼ 1
Last tested
Prompts
33
Methodology
v1.2.0

Score components

What the overall score is made of: bypass rate weighs 42%, meaning preservation 32%, readability 16%, consistency across categories 10%. Output-quality penalties come off the total. How scoring works →

Bypass rate CIs overlap StealthBypass by 14.3
78.6 64.4
Meaning preservation Super Humanizer by 34.7
39.5 74.2
Readability StealthBypass by 2.0
54.1 52.1
Consistency StealthBypass by 12.1
80.7 68.5
Penalties fewer is better Super Humanizer by 18.0
−23.0 −5.0

CIs overlap marks a gap that sits inside both tools' published 95% confidence intervals for that component; it may not survive another cycle.

Detector by detector

Share of each tool's outputs that a detector classified as human-written. StealthBypass took 4 of 5.

GPTZero StealthBypass by 14.6
69.3 54.6
Originality.ai Super Humanizer by 12.5
58.5 71.0
Copyleaks StealthBypass by 1.4
65.1 63.7
Winston AI StealthBypass by 4.1
56.3 52.2
ZeroGPT StealthBypass by 7.5
84.4 76.9

Writing categories

Category score per writing context: bypass credit only for real rewrites, blended with the category's own meaning preservation and readability. Small categories swing; the prompt count is shown on each row. How category scores work →

Academic Essay Application Essay Blog Post Business Email Marketing Copy Discussion Board News Article Academic Essay: StealthBypass 39.9 · Super Humanizer 55.2 Application Essay: StealthBypass 24.5 · Super Humanizer 62.5 Blog Post: StealthBypass 28.2 · Super Humanizer 58.8 Business Email: StealthBypass 26.0 · Super Humanizer 53.7 Marketing Copy: StealthBypass 18.9 · Super Humanizer 51.2 Discussion Board: StealthBypass 42.8 · Super Humanizer 61.9 News Article: StealthBypass 35.3 · Super Humanizer 73.9
StealthBypass Super Humanizer Outer ring = 100
Academic Essay 6 prompts Super Humanizer by 15.3
39.9 55.2
Application Essay 6 prompts Super Humanizer by 38.0
24.5 62.5
Blog Post 6 prompts Super Humanizer by 30.5
28.2 58.8
Business Email 3 prompts Super Humanizer by 27.7
26.0 53.7
Marketing Copy 6 prompts Super Humanizer by 32.3
18.9 51.2
Discussion Board 3 prompts Super Humanizer by 19.0
42.8 61.9
News Article 3 prompts Super Humanizer by 38.6
35.3 73.9

Where each one wins

Every measure above that one tool won outright, largest margin first within each group.

StealthBypass

7 wins
  • Bypass rate Score 78.6 vs 64.4
  • Consistency Score 80.7 vs 68.5
  • Readability Score 54.1 vs 52.1
  • GPTZero Detector 69.3 vs 54.6
  • ZeroGPT Detector 84.4 vs 76.9
  • Winston AI Detector 56.3 vs 52.2
  • Copyleaks Detector 65.1 vs 63.7

Super Humanizer

10 wins
  • Penalties Score −5.0 vs −23.0
  • Meaning preservation Score 74.2 vs 39.5
  • Originality.ai Detector 71.0 vs 58.5
  • News Article Category 73.9 vs 35.3
  • Application Essay Category 62.5 vs 24.5
  • Marketing Copy Category 51.2 vs 18.9
  • Blog Post Category 58.8 vs 28.2
  • Business Email Category 53.7 vs 26.0
  • Discussion Board Category 61.9 vs 42.8
  • Academic Essay Category 55.2 vs 39.9

Questions people ask

Is StealthBypass better than Super Humanizer?

Super Humanizer finished 21.6 points ahead of StealthBypass in the September 2026 cycle, 60.97 to 39.38, ranking #11 against #13 in a field of 14. Super Humanizer scored higher on 1 of 5 detectors and 7 of 7 writing categories. Both tools ran the same 33 prompts, scored by the same 5 detectors, under methodology v1.2.0; every input, output and verdict is published.

Which bypasses AI detectors better, StealthBypass or Super Humanizer?

StealthBypass posted the higher bypass rate, 78.6 vs 64.4, and scored higher on 4 of 5 detectors. StealthBypass led on GPTZero, Copyleaks, Winston AI and ZeroGPT; Super Humanizer led on Originality.ai. The overall bypass gap is inside both 95% confidence intervals, so it is not a reliable difference.

Do StealthBypass and Super Humanizer keep the original meaning?

Super Humanizer preserved meaning better, 74.2 vs 39.5 on our 0–100 similarity scale. On readability, StealthBypass rated higher, 54.1 vs 52.1. Penalties this cycle: StealthBypass −23.0, Super Humanizer −5.0.