Head to head · September 2026 cycle
StealthBypass vs Walter Writes
Walter Writes finished 22.3 points ahead of StealthBypass in the September 2026 cycle, 61.70 to 39.38, ranking #10 against #13 in a field of 14. Walter Writes scored higher on 3 of 5 detectors and 7 of 7 writing categories. StealthBypass came out ahead on ZeroGPT (84.4 vs 76.0), Copyleaks (65.1 vs 59.1) and consistency across categories (80.7 vs 74.9). The bypass-rate gap, 78.6 to 83.9, sits inside both tools' 95% confidence intervals, so treat bypass as a draw.
- Detectors
- 2 – 3
- Categories
- 0 – 7
- Components
- 1 – 4
33 prompts · Last tested · 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 →
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. Walter Writes took 3 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 →
Where each one wins
Every measure above that one tool won outright, largest margin first within each group.
StealthBypass
3 wins- Consistency Score 80.7 vs 74.9
- ZeroGPT Detector 84.4 vs 76.0
- Copyleaks Detector 65.1 vs 59.1
Walter Writes
14 wins- Penalties Score −12.0 vs −23.0
- Meaning preservation Score 66.6 vs 39.5
- Readability Score 60.4 vs 54.1
- Bypass rate Score 83.9 vs 78.6
- Originality.ai Detector 84.5 vs 58.5
- Winston AI Detector 67.0 vs 56.3
- GPTZero Detector 78.3 vs 69.3
- Blog Post Category 70.8 vs 28.2
- Application Essay Category 57.3 vs 24.5
- Discussion Board Category 74.4 vs 42.8
- and 4 more
Same prompt, both outputs
Both tools were given this AI-written passage in the September 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 Gemini 3.5 Flash · 186 words
Bring the vibrant flavors of a fresh harvest right into your kitchen with the **Root & Bloom Indoor Herb Garden Starter Kit**. Designed for aspiring chefs and plant lovers alike, this all-in-one kit makes growing your own culinary essentials effortless and rewarding.
No green thumb? No problem. We’ve curated everything you need to succeed: organic, non-GMO seeds (Genovese Basil, Curly Parsley, Cilantro, and Thyme), nutrient-rich coco-coir soil discs, and premium, reusable pots that complement any kitchen countertop. Our custom-blended soil maximizes aeration and water retention, ensuring fast germination and robust root growth.
Imagine plucking fresh basil for your homemade margherita pizza, or adding a pinch of fragrant thyme to a simmering sauce—anytime, year-round. Compact and stylish, this kit fits perfectly on windowsills, apartments balconies, or kitchen islands, bringing a touch of soothing nature indoors.
It is more than just a gardening kit; it’s an experience. Beautifully packaged, the Root & Bloom kit makes the perfect eco-friendly gift for housewarmings, birthdays, or a culinary treat for yourself. Step up your cooking game and cultivate your own countertop oasis today. Your freshest meals are just a windowsill away.
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42 words (input 186)
Get the taste of a fresh harvest in your own home with the **Root & Bloom Indoor Herb Garden Starter Kit**. This comprehensive set for budding chefs and green thumbs alike has everything you need to easily grow your own culinary must-haves.
- GPTZero1.00passed
- ZeroGPT1.00passed
- Originality.ai0.00caught
Passed 2 of 3 detectors. 2 of the 5 returned no verdict.
Every StealthBypass run in September 2026 →299 words (input 186)
Start savoring the best of every season in the comfort of your home with the Root & Bloom Indoor Herb Garden Starter Kit. This easy-to-use starter kit has been designed specifically for both foodie's who have always wanted to grow their own herbs, as well as those new to indoor herb gardens. The kit offers everything you will need to start growing the herbs of your choice including organic, non-GMO seeds (Curly Parsley, Genovese Basil, Cilantro, Thyme), coco-coir soil discs that contain the nutrients needed to promote healthy roots, and three premium, reusable pots that fit in most kitchens. In addition to providing all of these tools to get you started, our unique blend of coco-coir soil helps to increase oxygen flow to your roots while increasing water retention which results in rapid seed germination and strong root systems.
Think about how great it would be to pick a handful of fresh basil leaves from your counter top herb garden at 5 pm Monday afternoon for your homemade margarita pizza, or add a small amount of thyme from your window sill herb garden to give your pasta dish an extra layer of flavor. Whatever your preference, now you can enjoy your favorite herbs all year long. Perfect for a sunny windowsill, apartment balcony, or kitchen island, the Root & Bloom Indoor Herb Garden Starter Kit brings a little bit of the outdoors in. Whether you are looking for a fun way to grow your own herbs, or want to make a special gift for someone who enjoys cooking or gardening, the Root & Bloom kit is a beautiful package and a wonderful way to help others bring some of the beauty of nature inside. Take your cooking to a whole new level and create your own countertop oasis today.
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- GPTZero1.00passed
- Winston AI1.00passed
- ZeroGPT0.62passed
- Copyleaks1.00passed
- Originality.ai1.00passed
Passed 5 of 5 detectors.
Every Walter Writes run in September 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 StealthBypass better than Walter Writes?
Walter Writes finished 22.3 points ahead of StealthBypass in the September 2026 cycle, 61.70 to 39.38, ranking #10 against #13 in a field of 14. Walter Writes scored higher on 3 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 Walter Writes?
Walter Writes posted the higher bypass rate, 83.9 vs 78.6, and scored higher on 3 of 5 detectors. StealthBypass led on Copyleaks and ZeroGPT; Walter Writes led on GPTZero, Originality.ai and Winston AI. The overall bypass gap is inside both 95% confidence intervals, so it is not a reliable difference.
Do StealthBypass and Walter Writes keep the original meaning?
Walter Writes preserved meaning better, 66.6 vs 39.5 on our 0–100 similarity scale. On readability, Walter Writes rated higher, 60.4 vs 54.1. Penalties this cycle: StealthBypass −23.0, Walter Writes −12.0.