Head to head · September 2026 cycle
AI Humanize io vs WriteHuman
WriteHuman finished 5.4 points ahead of AI Humanize io in the September 2026 cycle, 78.29 to 72.94, ranking #1 against #4 in a field of 14. WriteHuman scored higher on 4 of 5 detectors and 6 of 7 writing categories. AI Humanize io came out ahead on Originality.ai (93.3 vs 91.4), readability (58.4 vs 56.9) and meaning preservation (73.2 vs 72.3). The bypass-rate gap, 81.5 to 90.1, sits inside both tools' 95% confidence intervals, so treat bypass as a draw.
- Detectors
- 1 – 4
- Categories
- 1 – 6
- Components
- 2 – 3
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 →
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. WriteHuman took 4 of 5.
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 →
Head-to-head history
Overall score in every cycle both tools were tested. WriteHuman has finished ahead in 4 of 4 shared cycles.
| Cycle | AI Humanize io | WriteHuman | Margin |
|---|---|---|---|
| September 2026 | 72.94 #4 | 78.29 #1 | → 5.4 |
| August 2026 | 64.57 #6 | 76.69 #1 | → 12.1 |
| July 2026 | 59.66 #10 | 73.07 #1 | → 13.4 |
| June 2026 | 72.95 #6 | 83.59 #2 | → 10.6 |
Where each one wins
Every measure above that one tool won outright, largest margin first within each group.
AI Humanize io
4 wins- Readability Score 58.4 vs 56.9
- Meaning preservation Score 73.2 vs 72.3
- Originality.ai Detector 93.3 vs 91.4
- Marketing Copy Category 82.4 vs 82.1
WriteHuman
13 wins- Consistency Score 82.1 vs 69.2
- Penalties Score None vs −1.0
- Bypass rate Score 90.1 vs 81.5
- Copyleaks Detector 86.7 vs 60.6
- GPTZero Detector 71.8 vs 55.8
- Winston AI Detector 84.1 vs 79.0
- ZeroGPT Detector 77.8 vs 75.0
- Discussion Board Category 78.2 vs 62.5
- Business Email Category 56.7 vs 46.2
- News Article Category 78.3 vs 71.8
- and 3 more
Questions people ask
Is AI Humanize io better than WriteHuman?
WriteHuman finished 5.4 points ahead of AI Humanize io in the September 2026 cycle, 78.29 to 72.94, ranking #1 against #4 in a field of 14. WriteHuman scored higher on 4 of 5 detectors and 6 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, AI Humanize io or WriteHuman?
WriteHuman posted the higher bypass rate, 90.1 vs 81.5, and scored higher on 4 of 5 detectors. AI Humanize io led on Originality.ai; WriteHuman led on GPTZero, Copyleaks, Winston AI and ZeroGPT. The overall bypass gap is inside both 95% confidence intervals, so it is not a reliable difference.
Do AI Humanize io and WriteHuman keep the original meaning?
AI Humanize io preserved meaning better, 73.2 vs 72.3 on our 0–100 similarity scale, though the confidence intervals overlap. On readability, AI Humanize io rated higher, 58.4 vs 56.9. Penalties this cycle: AI Humanize io −1.0, WriteHuman None.