Head to head · October 2026 cycle
AI Humanize io vs SupWriter
AI Humanize io finished 5.5 points ahead of SupWriter in the October 2026 cycle, 68.24 to 62.75, ranking #6 against #11 in a field of 14. AI Humanize io scored higher on 4 of 6 detectors and 5 of 6 writing categories. SupWriter came out ahead on meaning preservation (77.5 vs 68.6), Copyleaks (78.2 vs 73.6) and news article prompts (64.4 vs 60.4).
- Detectors
- 4 – 1 (1 tie)
- Categories
- 5 – 1
- Components
- 3 – 1 (1 tie)
30 prompts · Last tested · Methodology v1.3.0
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 →
Detector by detector
Share of each tool's outputs that a detector classified as human-written. AI Humanize io took 4 of 6, with 1 tied.
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. AI Humanize io has finished ahead in 2 of 2 shared cycles.
| Cycle | AI Humanize io | SupWriter | Margin |
|---|---|---|---|
| October 2026 | 68.24 #6 | 62.75 #11 | ← 5.5 |
| September 2026 | 72.94 #4 | 72.80 #5 | ← 0.1 |
Where each one wins
Every measure above that one tool won outright, largest margin first within each group.
AI Humanize io
12 wins- Bypass rate Score 66.5 vs 50.0
- Readability Score 56.9 vs 49.2
- Consistency Score 92.6 vs 90.8
- GPTZero Detector 70.0 vs 8.9
- Originality.ai Detector 90.2 vs 55.5
- Winston AI Detector 89.9 vs 83.5
- ZeroGPT Detector 75.4 vs 73.9
- Academic Essay Category 70.2 vs 57.4
- Discussion Board Category 65.7 vs 57.6
- Blog Post Category 67.5 vs 62.0
- and 2 more
SupWriter
3 wins- Meaning preservation Score 77.5 vs 68.6
- Copyleaks Detector 78.2 vs 73.6
- News Article Category 64.4 vs 60.4
Same prompt, both outputs
Both tools were given this AI-written passage in the October 2026 cycle. Below it is what each one returned. This prompt was picked by a fixed rule, not by how the tools scored.
AI-written input
Every tool on this prompt →Product Desc · Marketing Copy · written by gpt-6-sol · 200 words
Bring precision to every line with a ruler built for careful measuring and marking. Precision-milled from stainless steel, it offers a straight, dependable edge for layout work, drafting, and workshop tasks. Its metal construction gives it a reassuring feel in hand and makes it a practical choice for a tool you will reach for again and again.
Use the ruler to mark a cut line, check a dimension, guide a pencil, or keep a drawing aligned. The slim profile sits close to the surface, helping you place it where you need it and see the work beneath your hand. On a desk, at a workbench, or in a project kit, it is a simple tool with a clear purpose: helping you work with care.
Made for makers, designers, students, and anyone who values a clean line, this ruler fits naturally into everyday routines. It pairs well with a sharp pencil, a marking knife, or your favorite notebook. Whether you are planning a detailed project or making a quick measurement, its precise edge helps you move from an idea to the next step with confidence. Keep it nearby for the small checks and straight lines that make a difference over time.
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163 words (input 200)
Add accuracy to every job with a ruler designed for accurate measuring and marking. Made of stainless steel, the precision-milled ruler features a straight edge that is reliable for layout work, drafting, and other workshop projects. Metal gives the ruler a solid feel and makes it handy to have around.
You can use this ruler to mark cut lines, check dimensions, draw lines, or keep drawings aligned. Thanks to its slim design, you can use it as close to the surface as possible without losing sight of your design. You can place it on a desk, at your workbench, or in your toolbox, and it will serve you well for all your tasks.
Crafted for makers, designers, students, and people who appreciate the importance of having a clean line in their designs, this ruler fits into everybody's daily routines. It can be used with sharp pencils, marking knives, and notebooks. With it, you can convert you designs from one step to the next.
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- GPTZero0.39caught
- Pangram0.00caught
- Winston AI0.28caught
- ZeroGPT0.42caught
- Copyleaks1.00passed
- Originality.ai1.00passed
Passed 2 of 6 detectors.
Every AI Humanize io run in October 2026 →197 words (input 200)
Use this specially designed ruler to draw neat and accurate lines for precise work. Made from stainless steel and precision milled, it has a straight, reliable edge for layout work, drawing and workshop work. The feel of this metal tool in hand is assuring and practical for any tool you will be reaching out for time and again.
Use the ruler for marking a cut line, checking a dimension, guiding a pencil, or keeping a drawing aligned. The thin profile sits down and close to the surface, allowing you to place it where it is needed and see the work beneath your hand. A simple tool with a straightforward purpose: to help you work with care at a table, bench, or in your project kit.
Whether you’re a maker, designer, student or a person who loves fine line, this ruler fits seamlessly into daily life. It goes well with a sharp pencil, marking knife or a wonderful notebook of yours. Whether you’re working on a detailed project or taking a quick measurement, its accurate edge helps move from one thought to the next with confidence. Keep it close for those minor checks and straight lines that count.
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- GPTZero0.00caught
- Pangram0.00caught
- Winston AI0.29caught
- ZeroGPT0.80passed
- Copyleaks1.00passed
- Originality.ai0.00caught
Passed 2 of 6 detectors.
Every SupWriter run in October 2026 →Each chip is one detector's score for that output, from 0 (AI) to 1 (human). A score of 0.50 or higher counts as a pass and shows green; below that the detector caught it and the chip shows red.
Questions people ask
Is AI Humanize io better than SupWriter?
AI Humanize io finished 5.5 points ahead of SupWriter in the October 2026 cycle, 68.24 to 62.75, ranking #6 against #11 in a field of 14. AI Humanize io scored higher on 4 of 6 detectors and 5 of 6 writing categories. Both tools ran the same 30 prompts, scored by the same 6 detectors, under methodology v1.3.0; every input, output and verdict is published.
Which bypasses AI detectors better, AI Humanize io or SupWriter?
AI Humanize io posted the higher bypass rate, 66.5 vs 50.0, and scored higher on 4 of 6 detectors. AI Humanize io led on GPTZero, Originality.ai, Winston AI and ZeroGPT; SupWriter led on Copyleaks.
Do AI Humanize io and SupWriter keep the original meaning?
SupWriter preserved meaning better, 77.5 vs 68.6 on our 0–100 similarity scale. On readability, AI Humanize io rated higher, 56.9 vs 49.2. Neither tool drew an output-quality penalty this cycle.