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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

HIX Bypass vs StealthBypass

HIX Bypass finished 34.6 points ahead of StealthBypass in the September 2026 cycle, 73.97 to 39.38, ranking #3 against #13 in a field of 14. HIX Bypass scored higher on 4 of 5 detectors and 7 of 7 writing categories. StealthBypass came out ahead on GPTZero (69.3 vs 28.1), readability (54.1 vs 34.9) and consistency across categories (80.7 vs 75.4). The bypass-rate gap, 86.3 to 78.6, sits inside both tools' 95% confidence intervals, so treat bypass as a draw.

73.97 /100
overall score
#3 /14
rank ▲ 1
+34.59
← HIX Bypass leads
Detectors
4 1
Categories
7 0
Components
3 2
39.38 /100
overall score
#13 /14
rank -
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 HIX Bypass by 7.7
86.3 78.6
Meaning preservation HIX Bypass by 37.4
76.9 39.5
Readability StealthBypass by 19.1
34.9 54.1
Consistency StealthBypass by 5.3
75.4 80.7
Penalties fewer is better HIX Bypass by 23.0
None −23.0

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. HIX Bypass took 4 of 5.

GPTZero StealthBypass by 41.2
28.1 69.3
Originality.ai HIX Bypass by 38.5
97.0 58.5
Copyleaks HIX Bypass by 19.8
84.9 65.1
Winston AI HIX Bypass by 29.2
85.5 56.3
ZeroGPT HIX Bypass by 7.0
91.4 84.4

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: HIX Bypass 79.3 · StealthBypass 39.9 Application Essay: HIX Bypass 64.0 · StealthBypass 24.5 Blog Post: HIX Bypass 76.7 · StealthBypass 28.2 Business Email: HIX Bypass 53.6 · StealthBypass 26.0 Marketing Copy: HIX Bypass 80.2 · StealthBypass 18.9 Discussion Board: HIX Bypass 80.2 · StealthBypass 42.8 News Article: HIX Bypass 77.6 · StealthBypass 35.3
HIX Bypass StealthBypass Outer ring = 100
Academic Essay 6 prompts HIX Bypass by 39.4
79.3 39.9
Application Essay 6 prompts HIX Bypass by 39.5
64.0 24.5
Blog Post 6 prompts HIX Bypass by 48.5
76.7 28.2
Business Email 3 prompts HIX Bypass by 27.6
53.6 26.0
Marketing Copy 6 prompts HIX Bypass by 61.4
80.2 18.9
Discussion Board 3 prompts HIX Bypass by 37.4
80.2 42.8
News Article 3 prompts HIX Bypass by 42.3
77.6 35.3

Where each one wins

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

HIX Bypass

14 wins
  • Penalties Score None vs −23.0
  • Meaning preservation Score 76.9 vs 39.5
  • Bypass rate Score 86.3 vs 78.6
  • Originality.ai Detector 97.0 vs 58.5
  • Winston AI Detector 85.5 vs 56.3
  • Copyleaks Detector 84.9 vs 65.1
  • ZeroGPT Detector 91.4 vs 84.4
  • Marketing Copy Category 80.2 vs 18.9
  • Blog Post Category 76.7 vs 28.2
  • News Article Category 77.6 vs 35.3
  • and 4 more

StealthBypass

3 wins
  • Readability Score 54.1 vs 34.9
  • Consistency Score 80.7 vs 75.4
  • GPTZero Detector 69.3 vs 28.1

Questions people ask

Is HIX Bypass better than StealthBypass?

HIX Bypass finished 34.6 points ahead of StealthBypass in the September 2026 cycle, 73.97 to 39.38, ranking #3 against #13 in a field of 14. HIX Bypass scored higher on 4 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, HIX Bypass or StealthBypass?

HIX Bypass posted the higher bypass rate, 86.3 vs 78.6, and scored higher on 4 of 5 detectors. HIX Bypass led on Originality.ai, Copyleaks, Winston AI and ZeroGPT; StealthBypass led on GPTZero. The overall bypass gap is inside both 95% confidence intervals, so it is not a reliable difference.

Do HIX Bypass and StealthBypass keep the original meaning?

HIX Bypass preserved meaning better, 76.9 vs 39.5 on our 0–100 similarity scale. On readability, StealthBypass rated higher, 54.1 vs 34.9. Penalties this cycle: HIX Bypass None, StealthBypass −23.0.