AI Humanizer BenchmarkLeaderboard / Compare / GPTinf vs SuperHumanizer
Head to head · September 2026 cycle
GPTinf vs SuperHumanizer
GPTinf finished 9.8 points ahead of SuperHumanizer in the September 2026 cycle, 78.30 to 68.50, ranking #4 against #8 in a field of 11. GPTinf scored higher on 6 of 7 detectors and 6 of 7 writing categories. SuperHumanizer came out ahead on Meaning preservation (77.3 vs 75.7), Originality.ai (50.8 vs 33.8), News article (85.5 vs 73.2). The bypass-rate gap, 70.7 to 79.9, sits inside both tools' 95% confidence intervals, so treat bypass as a draw.
- Detectors
- 6 – 1
- Categories
- 6 – 1
- Components
- 4 – 1
- 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. GPTinf took 6 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.
GPTinf
16 wins- Consistency Score82.2 vs 72.8
- Bypass rate Score79.9 vs 70.7
- Penalties ScoreNone vs −5.0
- Readability Score76.7 vs 74.0
- Grammarly Detector87.6 vs 76.8
- Winston AI Detector63.0 vs 52.3
- QuillBot Detector84.9 vs 74.6
- ZeroGPT Detector85.2 vs 78.7
- Copyleaks Detector57.6 vs 51.4
- GPTZero Detector69.8 vs 64.0
- Application essay Category79.5 vs 64.5
- Blog post Category75.0 vs 68.1
- Business email Category61.8 vs 57.1
- Marketing copy Category81.7 vs 77.6
- Academic essay Category85.3 vs 82.4
- Discussion board Category82.9 vs 81.3
SuperHumanizer
3 wins- Meaning preservation Score77.3 vs 75.7
- Originality.ai Detector50.8 vs 33.8
- News article Category85.5 vs 73.2
Questions people ask
Is GPTinf better than SuperHumanizer?
GPTinf finished 9.8 points ahead of SuperHumanizer in the September 2026 cycle, 78.30 to 68.50, ranking #4 against #8 in a field of 11. GPTinf scored higher on 6 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, GPTinf or SuperHumanizer?
GPTinf posted the higher bypass rate, 79.9 vs 70.7, and scored higher on 6 of 7 detectors. GPTinf led on GPTZero, Winston AI, ZeroGPT, Grammarly, QuillBot and Copyleaks; SuperHumanizer led on Originality.ai. The overall bypass gap is inside both 95% confidence intervals, so it is not a reliable difference.
Do GPTinf and SuperHumanizer keep the original meaning?
SuperHumanizer preserved meaning better, 77.3 vs 75.7 on our 0–100 similarity scale. On readability, GPTinf rated higher, 76.7 vs 74.0. Penalties this cycle: GPTinf None, SuperHumanizer −5.0.