AI Humanize io vs Stealth Writer
Head-to-head from the August 2026 cycle benchmark
Last tested
Sample size
33
Methodology
v1.2.0
Winner
69.83
overall
â–² 1
- Bypass
- 79.7
- Meaning
- 72.0
- Readability
- 43.7
Side-by-side metrics
Detector-level breakdown
Gold cell wins each row.
| Detector | AI Humanize io | Stealth Writer |
|---|---|---|
| GPTZero | 54.4 | 30.8 |
| Winston AI | 80.7 | 88.2 |
| ZeroGPT | 85.5 | 88.6 |
| Copyleaks | 63.7 | 73.5 |
| Originality.ai | 40.1 | 43.7 |
Minimum monthly pricing
AI Humanize io
$15.00/mo
- Free tier
- Yes
Stealth Writer
$20.00/mo
- Free tier
- Yes