October 2026 Benchmark Results
QuillBot
Tenth overall in October at 51.8; its 78.6 meaning and 80.7 readability scores contrast with a 39.3 detector-bypass result.
Scorecard
By detector
How QuillBot performs against each detector we test.
| Detector | Score | Pass rate |
|---|---|---|
| Pangram | 35.6 | 36% |
| GPTZero | 41.2 | 41% |
| Originality.ai | 40.8 | 41% |
| Copyleaks | 38.9 | 39% |
| ZeroGPT | 40.1 | 40% |
At a glance
QuillBot finishes 5.4 points behind GPTinf in the October overall ranking. Its profile is unusually split: it ranks second for readability and third for meaning preservation, but tenth for detector bypass.
Where it stands out
Readability at 80.7 is the second-highest result in the October table, while meaning preservation at 78.6 ranks third. Those scores show that the rewritten text performs well on the two published quality measures.
Detector results
QuillBot places tenth on all five detector-specific rankings. It scores 35.6 against Pangram, 41.2 against GPTZero, 40.8 against Originality.ai, 38.9 against Copyleaks and 40.1 against ZeroGPT.
Bottom line
QuillBot is the clearest quality-versus-bypass trade-off in the October data. It preserves meaning and readability comparatively well, but its much lower detector results pull it to tenth place overall.
October 2026 results
The benchmark case for QuillBot
The current cycle places QuillBot tenth overall despite strong meaning and readability scores because detector bypass is much lower.
Overall: 51.8
Ranked #10 of 10 tools, 5.4 points behind ninth place.
Detector bypass: 39.3
Ranked #10 among the 10 October tools for detector bypass.
Meaning: 78.6
Ranked #3 among the 10 October tools for meaning preservation.
Readability: 80.7
Ranked #2 among the 10 October tools for readability.
Related research
Explore Humanizer Arena research
See separate experiments and the site methodology for additional context.