AI Humanize io vs StealthGPT
Head-to-head from the July 2026 cycle benchmark
Last tested
Sample size
33
Methodology
v1.2.0
Winner
61.52
overall
â–¼ 1
- Bypass
- 81.6
- Meaning
- 63.0
- Readability
- 60.6
Side-by-side metrics
Detector-level breakdown
Gold cell wins each row.
| Detector | AI Humanize io | StealthGPT |
|---|---|---|
| GPTZero | 65.8 | 80.5 |
| Winston AI | 77.1 | 78.0 |
| ZeroGPT | 82.8 | 80.1 |
| Copyleaks | 72.7 | 82.8 |
| Originality.ai | 53.0 | 78.4 |
Minimum monthly pricing
AI Humanize io
$15.00/mo
- Free tier
- Yes
StealthGPT
$25.50/mo
- Free tier
- No