Humanizer Arena

Detector · October 2026

The best AI humanizers against Copyleaks

Compare all 10 tools in the October 2026 benchmark using the published Copyleaks scores.

AI humanizers against Copyleaks ranked

Copyleaks score · October 2026 results

Top pickGPTHuman91.8
  1. #1GPTHuman91.8
  2. #2Phrasly90.2
  3. #3WriteHuman86.3
  4. #4UndetectedGPT83.9
  5. #5Undetectable.ai80.1
  6. #6Stealth Writer78.4
  7. #7HIX Bypass71.6
  8. #8SmartHumanizer67.9
  9. #9GPTinf65.2
  10. #10QuillBot38.9

Published Copyleaks score from the October 2026 aggregate benchmark. View cycle JSON.

October top three

How the leading tools compare

GPTHuman leads Phrasly by 1.6 points in the current Copyleaks results.

1. GPTHuman: 91.8

The highest Copyleaks score in the October field.

2. Phrasly: 90.2

Ranked #2 among the 10 October tools.

3. WriteHuman: 86.3

Ranked #3 among the 10 October tools.

The current result
GPTHuman scores 91.8, ahead of Phrasly at 90.2 and WriteHuman at 86.3.

What this page shows
This page isolates the October Copyleaks result so detector-specific performance is not hidden inside the overall score.

The limitation
The source publishes aggregate detector scores but does not provide raw sample counts or document-level logs for this cycle.

Bottom line
GPTHuman is the strongest first choice against Copyleaks in the October 2026 data. Treat the score as comparative evidence, not a guaranteed result for a new document.

Frequently asked questions

What is the best AI humanizer for Copyleaks?
GPTHuman ranks first in the October 2026 Copyleaks results with a score of 91.8. Phrasly ranks second at 90.2, and WriteHuman ranks third at 86.3.
How many tools are in the Copyleaks ranking?
The October 2026 ranking contains 10 AI humanizers.
Can a humanizer guarantee a Copyleaks pass?
No. The ranking reports aggregate, point-in-time results. Individual documents and later product versions can behave differently.

Current detector rankings