AI Humanizer BenchmarkLeaderboard / Compare / HIX Bypass vs StealthGPT
Head to head · September 2026 cycle
HIX Bypass vs StealthGPT
HIX Bypass finished 1.9 points ahead of StealthGPT in the September 2026 cycle, 73.80 to 71.90, ranking #6 against #7 in a field of 11. HIX Bypass scored higher on 4 of 7 detectors and 4 of 7 writing categories. StealthGPT came out ahead on Readability (82.7 vs 63.8), Consistency (78.5 vs 69.9), Bypass rate (74.6 vs 73.2). The bypass-rate gap, 74.6 to 73.2, sits inside both tools' 95% confidence intervals, so treat bypass as a draw.
- Detectors
- 4 – 3
- Categories
- 4 – 3
- Components
- 2 – 3
- 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
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. HIX Bypass took 4 of 7.
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.
Where each one wins
Every measure above that one tool won outright, largest margin first within each group.
HIX Bypass
10 wins- Meaning preservation Score80.8 vs 70.1
- Penalties ScoreNone vs −3.0
- QuillBot Detector88.9 vs 66.0
- ZeroGPT Detector86.0 vs 66.5
- Grammarly Detector88.0 vs 77.5
- Winston AI Detector69.1 vs 62.1
- News article Category85.7 vs 68.8
- Discussion board Category69.5 vs 57.2
- Application essay Category71.0 vs 66.5
- Academic essay Category83.4 vs 80.0
StealthGPT
9 wins- Readability Score82.7 vs 63.8
- Consistency Score78.5 vs 69.9
- Bypass rate Score74.6 vs 73.2
- GPTZero Detector78.2 vs 15.7
- Originality.ai Detector48.2 vs 24.6
- Copyleaks Detector57.6 vs 54.5
- Business email Category81.3 vs 40.2
- Marketing copy Category85.0 vs 80.4
- Blog post Category76.6 vs 73.3
Questions people ask
Is HIX Bypass better than StealthGPT?
HIX Bypass finished 1.9 points ahead of StealthGPT in the September 2026 cycle, 73.80 to 71.90, ranking #6 against #7 in a field of 11. HIX Bypass scored higher on 4 of 7 detectors and 4 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, HIX Bypass or StealthGPT?
StealthGPT posted the higher bypass rate, 74.6 vs 73.2, and scored higher on 3 of 7 detectors. HIX Bypass led on Winston AI, ZeroGPT, Grammarly and QuillBot; StealthGPT led on GPTZero, Originality.ai and Copyleaks. The overall bypass gap is inside both 95% confidence intervals, so it is not a reliable difference.
Do HIX Bypass and StealthGPT keep the original meaning?
HIX Bypass preserved meaning better, 80.8 vs 70.1 on our 0–100 similarity scale. On readability, StealthGPT rated higher, 82.7 vs 63.8. Penalties this cycle: HIX Bypass None, StealthGPT −3.0.