AI Humanizer BenchmarkLeaderboard / Compare / ReHumanize vs StealthGPT
Head to head · September 2026 cycle
ReHumanize vs StealthGPT
StealthGPT finished 32.9 points ahead of ReHumanize in the September 2026 cycle, 71.90 to 39.00, ranking #7 against #10 in a field of 11. StealthGPT scored higher on 7 of 7 detectors and 7 of 7 writing categories. ReHumanize came out ahead on Consistency (95.1 vs 78.5).
- Detectors
- 0 – 7
- Categories
- 0 – 7
- Components
- 1 – 4
- 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
Detector by detector
Share of each tool's outputs that a detector classified as human-written. StealthGPT took 7 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.
ReHumanize
1 win- Consistency Score95.1 vs 78.5
StealthGPT
18 wins- Bypass rate Score74.6 vs 3.7
- Meaning preservation Score70.1 vs 59.2
- Readability Score82.7 vs 81.4
- Penalties Score−3.0 vs −4.0
- GPTZero Detector78.2 vs 5.7
- Winston AI Detector62.1 vs 0.0
- Copyleaks Detector57.6 vs 3.0
- Originality.ai Detector48.2 vs 0.1
- QuillBot Detector66.0 vs 21.9
- ZeroGPT Detector66.5 vs 32.6
- Grammarly Detector77.5 vs 64.2
- Academic essay Category80.0 vs 38.1
- Marketing copy Category85.0 vs 44.6
- Business email Category81.3 vs 47.1
- Blog post Category76.6 vs 47.2
- News article Category68.8 vs 43.4
- Application essay Category66.5 vs 42.0
- Discussion board Category57.2 vs 38.9
Questions people ask
Is ReHumanize better than StealthGPT?
StealthGPT finished 32.9 points ahead of ReHumanize in the September 2026 cycle, 71.90 to 39.00, ranking #7 against #10 in a field of 11. StealthGPT scored higher on 7 of 7 detectors and 7 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, ReHumanize or StealthGPT?
StealthGPT posted the higher bypass rate, 74.6 vs 3.7, and scored higher on 7 of 7 detectors. ReHumanize led on none; StealthGPT led on GPTZero, Winston AI, Originality.ai, ZeroGPT, Grammarly, QuillBot and Copyleaks. The gap holds outside both tools' 95% confidence intervals.
Do ReHumanize and StealthGPT keep the original meaning?
StealthGPT preserved meaning better, 70.1 vs 59.2 on our 0–100 similarity scale. On readability, StealthGPT rated higher, 82.7 vs 81.4. Penalties this cycle: ReHumanize −4.0, StealthGPT −3.0.