September 2026 review · same 49 texts
WriteHuman vs HIX Bypass
In the September 2026 HumanizerEval review, WriteHuman and HIX Bypass rewrote the same 49 English texts. WriteHuman cleared all 5 detectors on 32 of them; HIX Bypass on 1. The difference is mostly Pangram: on 31 samples WriteHuman passed it where HIX Bypass failed, and the reverse never happened. On ZeroGPT and Winston AI the two were close to even.
Per-sample agreement
| Detector | Passed more often | Margin | Both passed | Neither passed |
|---|---|---|---|---|
| Pangram 4.0 | WriteHuman | 31 to 0 | 1 | 17 |
| GPTZero 2026-09-13-base | WriteHuman | 16 to 0 | 33 | 0 |
| Originality.ai turbo | WriteHuman | 17 to 0 | 31 | 1 |
| ZeroGPT default | Tied | 0 to 0 | 49 | 0 |
| Winston AI 5.0 | WriteHuman | 1 to 0 | 48 | 0 |
| All 5 detectors | WriteHuman | 31 to 0 | 1 | 17 |
Every count is computed from scores.csv at build time, not transcribed. “Neither passed” counts the texts that defeated both tools; on Pangram that was 17 of 49 here.
Quality and output discipline
| Measure | WriteHuman | HIX Bypass |
|---|---|---|
| 22% | 18% | |
| 49% | 6% | |
| 98% | 96% | |
| 65% | 66% | |
| 1.02 | 1.11 | |
| 0 | 0 | |
| 0 | 0 | |
| API default | Latest | |
| Website | writehuman.ai | hixbypass.com |
On per-sample quality scores, WriteHuman scored higher on 26 samples, HIX Bypass on 8, and the two tied on 15. WriteHuman’s output was shorter on 36 of 49 samples; mean length ratios were 1.02 and 1.11, or 2% longer than the input and 11% longer than the input respectively.
Where each one outperforms the other
WriteHuman
- Pangram: passed 32 of 49 against 1, including 31 samples where HIX Bypass failed, against 0 the other way.
- GPTZero: passed 49 of 49 against 33, including 16 samples where HIX Bypass failed, against 0 the other way.
- Originality.ai: passed 48 of 49 against 31, including 17 samples where HIX Bypass failed, against 0 the other way.
- Winston AI: passed 49 of 49 against 48, including 1 sample where HIX Bypass failed, against 0 the other way.
- Factual consistency: 22% against 18%.
- Naturalness: 49% against 6%.
- Syntax integrity: 98% against 96%.
- Length: shorter output on 36 of 49 samples, which matters under a word limit.
HIX Bypass
- ZeroGPT: tied at 49 of 49 but on a higher mean human score, 96.5% to 94.8%. It passed 0 samples where WriteHuman failed.
- Stance preservation: 66% against 65%.
WriteHuman vs HIX Bypass FAQ
Is WriteHuman better than HIX Bypass?
In the September 2026 HumanizerEval review, WriteHuman cleared all 5 detectors on 32 of the 49 shared samples and HIX Bypass on 1. On ZeroGPT and Winston AI the two were within 6 points of each other. Quality ran 26 samples to 8, with 15 ties.
Which humanizer is best for Pangram, WriteHuman or HIX Bypass?
WriteHuman. In September 2026, WriteHuman passed Pangram on 32 of the 49 shared samples and HIX Bypass on 1. On 31 samples WriteHuman passed where HIX Bypass failed; the reverse never happened. Both failed on 17.
Which humanizer changes the text less?
WriteHuman. It scored higher on per-sample quality on 26 of 49 samples, against 8. WriteHuman’s outputs averaged 1.02× the input length and passed factual consistency on 22%; HIX Bypass’s averaged 1.11× and passed on 18%. On stance preservation the split was 65% to 66%. WriteHuman produced the shorter output on 36 of 49 samples.
More comparisons
- StealthGPT vs WriteHuman
- StealthGPT vs HIX Bypass
- WriteHuman vs Grubby
- WriteHuman vs Rephrasy
- WriteHuman vs Undetectable.ai
- WriteHuman vs RewriteAI
- WriteHuman vs Humbot
- WriteHuman vs BypassGPT
- WriteHuman vs Ryne
- Grubby vs HIX Bypass
- Rephrasy vs HIX Bypass
- Undetectable.ai vs HIX Bypass
- RewriteAI vs HIX Bypass
- HIX Bypass vs Humbot
- HIX Bypass vs BypassGPT
- HIX Bypass vs Ryne
- Full September 2026 leaderboard: all 10 tools, 96.8% down to 23.6%