AI Humanizer Benchmark

Leaderboard / Compare / SuperHumanizer vs WriteHuman

Head to head · September 2026 cycle

SuperHumanizer vs WriteHuman

WriteHuman finished 13.1 points ahead of SuperHumanizer in the September 2026 cycle, 81.60 to 68.50, ranking #3 against #8 in a field of 11. WriteHuman scored higher on 6 of 7 detectors and 6 of 7 writing categories. SuperHumanizer came out ahead on Readability (74.0 vs 72.4), Meaning preservation (77.3 vs 76.2), GPTZero (64.0 vs 56.5). The bypass-rate gap, 70.7 to 90.4, sits inside both tools' 95% confidence intervals, so treat bypass as a draw.

SuperHumanizer
superhumanizer.ai
68.50/100
Overall score
#8/11
Rank
+13.1
WriteHuman leads
Detectors
16
Categories
16
Components
23
WriteHumanLeads
writehuman.ai
81.60/100
Overall score
#3/11
Rank
Last tested
2026-09-03
Prompts
33
Methodology
v1.0.0

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

SuperHumanizerWriteHuman
Bypass rateCIs overlapWriteHuman by 19.7
70.7
90.4
Meaning preservationSuperHumanizer by 1.1
77.3
76.2
ReadabilitySuperHumanizer by 1.7
74.0
72.4
ConsistencyWriteHuman by 13.7
72.8
86.4
Penaltiesfewer is betterWriteHuman by 4.0
−5.0
−1.0

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

Detector by detector

Share of each tool's outputs that a detector classified as human-written. WriteHuman took 6 of 7.

SuperHumanizerWriteHuman
GPTZeroSuperHumanizer by 7.5
64.0
56.5
Winston AIWriteHuman by 29.9
52.3
82.1
Originality.aiWriteHuman by 8.4
50.8
59.2
ZeroGPTWriteHuman by 13.2
78.7
92.0
GrammarlyWriteHuman by 17.4
76.8
94.2
QuillBotWriteHuman by 17.7
74.6
92.2
CopyleaksWriteHuman by 12.3
51.4
63.6

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.

Academic essayApplication essayBlog postBusiness emailMarketing copyDiscussion boardNews article
SuperHumanizerWriteHumanOuter ring = 100
SuperHumanizerWriteHuman
Academic essay6 promptsWriteHuman by 3.8
82.4
86.2
Application essay6 promptsWriteHuman by 20.4
64.5
84.9
Blog post6 promptsWriteHuman by 12.5
68.1
80.6
Business email3 promptsWriteHuman by 12.4
57.1
69.5
Marketing copy6 promptsWriteHuman by 8.6
77.6
86.2
Discussion board3 promptsWriteHuman by 1.8
81.3
83.1
News article3 promptsSuperHumanizer by 5.9
85.5
79.6

Where each one wins

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

SuperHumanizer

4 wins
  • Readability Score74.0 vs 72.4
  • Meaning preservation Score77.3 vs 76.2
  • GPTZero Detector64.0 vs 56.5
  • News article Category85.5 vs 79.6

WriteHuman

15 wins
  • Bypass rate Score90.4 vs 70.7
  • Consistency Score86.4 vs 72.8
  • Penalties Score−1.0 vs −5.0
  • Winston AI Detector82.1 vs 52.3
  • QuillBot Detector92.2 vs 74.6
  • Grammarly Detector94.2 vs 76.8
  • ZeroGPT Detector92.0 vs 78.7
  • Copyleaks Detector63.6 vs 51.4
  • Originality.ai Detector59.2 vs 50.8
  • Application essay Category84.9 vs 64.5
  • Blog post Category80.6 vs 68.1
  • Business email Category69.5 vs 57.1
  • Marketing copy Category86.2 vs 77.6
  • Academic essay Category86.2 vs 82.4
  • Discussion board Category83.1 vs 81.3

Questions people ask

Is SuperHumanizer better than WriteHuman?

WriteHuman finished 13.1 points ahead of SuperHumanizer in the September 2026 cycle, 81.60 to 68.50, ranking #3 against #8 in a field of 11. WriteHuman scored higher on 6 of 7 detectors and 6 of 7 writing categories. Both tools ran the same 33 prompts, scored by the same 7 detectors, under methodology v1.0.0; every input, output, and verdict is published.

Which bypasses AI detectors better, SuperHumanizer or WriteHuman?

WriteHuman posted the higher bypass rate, 90.4 vs 70.7, and scored higher on 6 of 7 detectors. SuperHumanizer led on GPTZero; WriteHuman led on Winston AI, Originality.ai, ZeroGPT, Grammarly, QuillBot and Copyleaks. The overall bypass gap is inside both 95% confidence intervals, so it is not a reliable difference.

Do SuperHumanizer and WriteHuman keep the original meaning?

SuperHumanizer preserved meaning better, 77.3 vs 76.2 on our 0–100 similarity scale. On readability, SuperHumanizer rated higher, 74.0 vs 72.4. Penalties this cycle: SuperHumanizer −5.0, WriteHuman −1.0.

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