AI Humanize io vs StealthGPT
Head-to-head from the August 2026 cycle benchmark
Last tested
Sample size
33
Methodology
v1.2.0
Winner
64.57
overall
â–² 4
- Bypass
- 70.8
- Meaning
- 64.4
- Readability
- 54.6
Side-by-side metrics
Detector-level breakdown
Gold cell wins each row.
| Detector | AI Humanize io | StealthGPT |
|---|---|---|
| GPTZero | 54.4 | 52.6 |
| Winston AI | 80.7 | 25.2 |
| ZeroGPT | 85.5 | 46.0 |
| Copyleaks | 63.7 | 24.2 |
| Originality.ai | 40.1 | 20.2 |
Minimum monthly pricing
AI Humanize io
$15.00/mo
- Free tier
- Yes
StealthGPT
$25.50/mo
- Free tier
- No