AI Humanizer BenchmarkLeaderboard / Compare / AI Humanize vs SmartHumanizer
Head to head · September 2026 cycle
AI Humanize vs SmartHumanizer
SmartHumanizer finished 8.7 points ahead of AI Humanize in the September 2026 cycle, 84.80 to 76.10, ranking #2 against #5 in a field of 11. SmartHumanizer scored higher on 3 of 7 detectors and 6 of 7 writing categories. AI Humanize came out ahead on Copyleaks (66.7 vs 15.2), Winston AI (81.0 vs 51.0), ZeroGPT (87.1 vs 82.6). The bypass-rate gap, 82.6 to 85.3, sits inside both tools' 95% confidence intervals, so treat bypass as a draw.
- Detectors
- 4 – 3
- Categories
- 1 – 6
- Components
- 0 – 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
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. AI Humanize 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.
AI Humanize
5 wins- Copyleaks Detector66.7 vs 15.2
- Winston AI Detector81.0 vs 51.0
- ZeroGPT Detector87.1 vs 82.6
- Grammarly Detector88.4 vs 86.9
- News article Category82.2 vs 79.3
SmartHumanizer
13 wins- Consistency Score88.3 vs 67.9
- Meaning preservation Score87.6 vs 70.8
- Bypass rate Score85.3 vs 82.6
- Readability Score75.7 vs 74.7
- Originality.ai Detector78.2 vs 23.2
- GPTZero Detector71.0 vs 55.4
- QuillBot Detector94.2 vs 89.3
- Business email Category75.6 vs 41.5
- Discussion board Category88.3 vs 73.0
- Application essay Category83.3 vs 74.7
- Academic essay Category89.8 vs 83.1
- Marketing copy Category89.2 vs 82.7
- Blog post Category82.4 vs 79.7
Questions people ask
Is AI Humanize better than SmartHumanizer?
SmartHumanizer finished 8.7 points ahead of AI Humanize in the September 2026 cycle, 84.80 to 76.10, ranking #2 against #5 in a field of 11. SmartHumanizer scored higher on 3 of 7 detectors and 6 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, AI Humanize or SmartHumanizer?
SmartHumanizer posted the higher bypass rate, 85.3 vs 82.6, and scored higher on 3 of 7 detectors. AI Humanize led on Winston AI, ZeroGPT, Grammarly and Copyleaks; SmartHumanizer led on GPTZero, Originality.ai and QuillBot. The overall bypass gap is inside both 95% confidence intervals, so it is not a reliable difference.
Do AI Humanize and SmartHumanizer keep the original meaning?
SmartHumanizer preserved meaning better, 87.6 vs 70.8 on our 0–100 similarity scale. On readability, SmartHumanizer rated higher, 75.7 vs 74.7. Penalties this cycle: AI Humanize None, SmartHumanizer None.