AI Humanizer Benchmark

Leaderboard / Compare / AI Humanize vs GPTinf

Head to head · September 2026 cycle

AI Humanize vs GPTinf

GPTinf finished 2.2 points ahead of AI Humanize in the September 2026 cycle, 78.30 to 76.10, ranking #4 against #5 in a field of 11. GPTinf scored higher on 2 of 7 detectors and 4 of 7 writing categories. AI Humanize came out ahead on Bypass rate (82.6 vs 79.9), Winston AI (81.0 vs 63.0), Copyleaks (66.7 vs 57.6). The bypass-rate gap, 82.6 to 79.9, sits inside both tools' 95% confidence intervals, so treat bypass as a draw.

76.10/100
Overall score
#5/11
Rank
+2.2
GPTinf leads
Detectors
52
Categories
34
Components
13
GPTinfLeads
gptinf.com
78.30/100
Overall score
#4/11
Rank
Last tested
2026-09-03
Prompts
33
Methodology
v1.0.0

Score components

What the overall score is made of: bypass rate weighs 42%, meaning preservation 32%, readability 16%, consistency across categories 10%. Output-quality penalties come off the total. How scoring works

AI HumanizeGPTinf
Bypass rateCIs overlapAI Humanize by 2.8
82.6
79.9
Meaning preservationGPTinf by 4.9
70.8
75.7
ReadabilityGPTinf by 2.0
74.7
76.7
ConsistencyGPTinf by 14.3
67.9
82.2
Penaltiesfewer is bettertied
None
None

CIs overlap marks a gap that sits inside both tools' 95% confidence intervals for bypass rate; it may not survive another cycle.

Detector by detector

Share of each tool's outputs that a detector classified as human-written. AI Humanize took 5 of 7.

AI HumanizeGPTinf
GPTZeroGPTinf by 14.4
55.4
69.8
Winston AIAI Humanize by 18.1
81.0
63.0
Originality.aiGPTinf by 10.6
23.2
33.8
ZeroGPTAI Humanize by 1.9
87.1
85.2
GrammarlyAI Humanize by 0.8
88.4
87.6
QuillBotAI Humanize by 4.4
89.3
84.9
CopyleaksAI Humanize by 9.1
66.7
57.6

Writing categories

Category score per writing context: bypass credit only for real rewrites, blended with the category's own meaning preservation and readability. Small categories swing; the prompt count is shown on each row.

Academic essayApplication essayBlog postBusiness emailMarketing copyDiscussion boardNews article
AI HumanizeGPTinfOuter ring = 100
AI HumanizeGPTinf
Academic essay6 promptsGPTinf by 2.2
83.1
85.3
Application essay6 promptsGPTinf by 4.8
74.7
79.5
Blog post6 promptsAI Humanize by 4.7
79.7
75.0
Business email3 promptsGPTinf by 20.3
41.5
61.8
Marketing copy6 promptsAI Humanize by 1.0
82.7
81.7
Discussion board3 promptsGPTinf by 9.9
73.0
82.9
News article3 promptsAI Humanize by 9.0
82.2
73.2

Where each one wins

Every measure above that one tool won outright, largest margin first within each group.

AI Humanize

9 wins
  • Bypass rate Score82.6 vs 79.9
  • Winston AI Detector81.0 vs 63.0
  • Copyleaks Detector66.7 vs 57.6
  • QuillBot Detector89.3 vs 84.9
  • ZeroGPT Detector87.1 vs 85.2
  • Grammarly Detector88.4 vs 87.6
  • News article Category82.2 vs 73.2
  • Blog post Category79.7 vs 75.0
  • Marketing copy Category82.7 vs 81.7

GPTinf

9 wins
  • Consistency Score82.2 vs 67.9
  • Meaning preservation Score75.7 vs 70.8
  • Readability Score76.7 vs 74.7
  • GPTZero Detector69.8 vs 55.4
  • Originality.ai Detector33.8 vs 23.2
  • Business email Category61.8 vs 41.5
  • Discussion board Category82.9 vs 73.0
  • Application essay Category79.5 vs 74.7
  • Academic essay Category85.3 vs 83.1

Questions people ask

Is AI Humanize better than GPTinf?

GPTinf finished 2.2 points ahead of AI Humanize in the September 2026 cycle, 78.30 to 76.10, ranking #4 against #5 in a field of 11. GPTinf scored higher on 2 of 7 detectors and 4 of 7 writing categories. Both tools ran the same 33 prompts, scored by the same 7 detectors, under methodology v1.0.0; every input, output, and verdict is published.

Which bypasses AI detectors better, AI Humanize or GPTinf?

AI Humanize posted the higher bypass rate, 82.6 vs 79.9, and scored higher on 5 of 7 detectors. AI Humanize led on Winston AI, ZeroGPT, Grammarly, QuillBot and Copyleaks; GPTinf led on GPTZero and Originality.ai. The overall bypass gap is inside both 95% confidence intervals, so it is not a reliable difference.

Do AI Humanize and GPTinf keep the original meaning?

GPTinf preserved meaning better, 75.7 vs 70.8 on our 0–100 similarity scale. On readability, GPTinf rated higher, 76.7 vs 74.7. Penalties this cycle: AI Humanize None, GPTinf None.

More matchups

Add a third tool to this comparison·Every matchup

Go deeper