October 2026
AI humanizer benchmark
30 AI texts, 15 humanizers, two AI detectors and a blind read of each result.
Tested by DetectorProof from 23 October to 31 October 2026.
- 1detectorproof73
- 2PHRASLY.AI65
- 3StealthGPT54
- 4Humanize AI Pro45
- 5AI Humanize43
- 6SupWriter42
- 7WriteHuman39
- 8grammarly36
- 9stealthwriter35
- 10Super Humanizer33
- 11Clever AI32
- 11HIX Bypass32
- 13Undetectable AI24
- 14Walter Writes21
- 15Humbot19
The average of the five results, each out of 100 (the writing mark times ten).
How we tested
- The texts
- The 30 public AI texts of the HumanizerBench October 2026 test, from essays to marketing copy.
- The results
- Results for other tools were obtained from HumanizerBench, and ours from our live site: one go per text, with no selection or editing after.
- The detectors
- Pangram 4.1 and Originality.ai 5.0 read the other tools' results on 23 October and ours on 31 October.
- The reader
- Claude Sonnet 5.5 read every result blind, a text's 15 versions shuffled and unnamed.
Texts and other tools' results from HumanizerBench, CC BY 4.0.

