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October 2026 results: WriteHuman holds #1, StealthGPT jumps to #2. Read the analysis →
HumanizerBench

Head to head · October 2026 cycle

Grammarly vs Phrasly

Phrasly finished 0.5 points ahead of Grammarly in the October 2026 cycle, 61.79 to 61.29, ranking #12 against #14 in a field of 14. Phrasly scored higher on 6 of 6 detectors and 4 of 6 writing categories. Grammarly came out ahead on penalties (−3.0 vs −11.0), news article prompts (68.0 vs 16.8) and meaning preservation (85.5 vs 49.9).

61.29 /100
overall score
#14 /14
rank ▼ 2
+0.50
Phrasly leads →
Detectors
0 – 6
Categories
2 – 4
Components
3 – 2
61.79 /100
overall score
#12 /14
rank ▼ 4

30 prompts · Last tested · Methodology v1.3.0

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 →

Bypass rate Phrasly by 57.2
38.1 95.3
Meaning preservation Grammarly by 35.6
85.5 49.9
Readability Grammarly by 28.0
72.2 44.2
Consistency Phrasly by 3.3
93.6 96.9
Penalties fewer is better Grammarly by 8.0
−3.0 −11.0

Detector by detector

Share of each tool's outputs that a detector classified as human-written. Phrasly took 6 of 6.

GPTZero Phrasly by 95.6
3.0 98.6
Originality.ai Phrasly by 44.2
52.4 96.6
Copyleaks Phrasly by 41.8
58.2 100.0
Winston AI Phrasly by 25.4
71.6 97.0
ZeroGPT Phrasly by 50.6
43.7 94.3
Pangram Phrasly by 85.6
0.0 85.6

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. How category scores work →

Academic Essay Application Essay Blog Post Marketing Copy Discussion Board News Article Academic Essay: Grammarly 61.8 · Phrasly 63.7 Application Essay: Grammarly 62.3 · Phrasly 63.6 Blog Post: Grammarly 56.8 · Phrasly 57.8 Marketing Copy: Grammarly 57.7 · Phrasly 45.8 Discussion Board: Grammarly 50.1 · Phrasly 52.9 News Article: Grammarly 68.0 · Phrasly 16.8
Grammarly Phrasly Outer ring = 100
Academic Essay 6 prompts Phrasly by 1.9
61.8 63.7
Application Essay 6 prompts Phrasly by 1.3
62.3 63.6
Blog Post 6 prompts Phrasly by 1.0
56.8 57.8
Marketing Copy 6 prompts Grammarly by 12.0
57.7 45.8
Discussion Board 3 prompts Phrasly by 2.7
50.1 52.9
News Article 3 prompts Grammarly by 51.3
68.0 16.8

Head-to-head history

Overall score in every cycle both tools were tested. Phrasly has finished ahead in 5 of 5 shared cycles.

40 50 60 70 80 June 2026 July 2026 August 2026 September 2026 October 2026 June 2026: Phrasly 71.10 (#8) June 2026: Grammarly 56.50 (#12) July 2026: Phrasly 61.47 (#9) July 2026: Grammarly 53.38 (#12) August 2026: Phrasly 63.30 (#7) August 2026: Grammarly 52.91 (#11) September 2026: Phrasly 67.58 (#8) September 2026: Grammarly 60.35 (#12) October 2026: Phrasly 61.79 (#12) October 2026: Grammarly 61.29 (#14) 61.3 61.8
Grammarly Phrasly
Cycle Grammarly Phrasly Margin
October 2026 61.29 #14 61.79 #12 → 0.5
September 2026 60.35 #12 67.58 #8 → 7.2
August 2026 52.91 #11 63.30 #7 → 10.4
July 2026 53.38 #12 61.47 #9 → 8.1
June 2026 56.50 #12 71.10 #8 → 14.6

Where each one wins

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

Grammarly

5 wins
  • Penalties Score −3.0 vs −11.0
  • Meaning preservation Score 85.5 vs 49.9
  • Readability Score 72.2 vs 44.2
  • News Article Category 68.0 vs 16.8
  • Marketing Copy Category 57.7 vs 45.8

Phrasly

12 wins
  • Bypass rate Score 95.3 vs 38.1
  • Consistency Score 96.9 vs 93.6
  • GPTZero Detector 98.6 vs 3.0
  • Pangram Detector 85.6 vs 0.0
  • ZeroGPT Detector 94.3 vs 43.7
  • Originality.ai Detector 96.6 vs 52.4
  • Copyleaks Detector 100.0 vs 58.2
  • Winston AI Detector 97.0 vs 71.6
  • Discussion Board Category 52.9 vs 50.1
  • Academic Essay Category 63.7 vs 61.8
  • and 2 more

Same prompt, both outputs

Both tools were given this AI-written passage in the October 2026 cycle. Below it is what each one returned. This prompt was picked by a fixed rule, not by how the tools scored.

Product Desc · Marketing Copy · written by gemini-3-8-flash · 183 words

Elevate your craft with the definitive standard in accuracy: our Precision-Milled Stainless-Steel Ruler. Engineered for professionals who refuse to compromise, this essential tool bridges the gap between workshop durability and micron-level exactness.

Forged from premium, tempered stainless steel, this ruler resists corrosion, warping, and the relentless wear of daily use. Its edges are CNC-milled to exacting tolerances, providing a razor-sharp, dead-straight guide perfect for drafting, scribing, and precision cutting. Unlike inferior stamped alternatives with markings that rub away, our ultra-fine imperial and metric graduations are deeply laser-etched for permanent clarity. Paired with a glare-resistant satin-chrome finish, it guarantees effortless readability under bright studio lights or direct sunlight.

Designed with a true-zero edge, you can take flush, butt-joint measurements against vertical surfaces without second-guessing your starting point. Its balanced, substantial weight provides a grounded feel on wood, paper, fabric, or metal, preventing accidental slippage mid-stroke.

Whether you are an architect detailing blueprints, a woodworker laying out intricate joinery, or an engineer verifying tight tolerances, this ruler delivers uncompromising reliability. Upgrade your workspace with a tool built to last a lifetime. Measure with absolute confidence.

Show the full input

230 words (input 183)

Take your skills to the next level using the best available standard for accuracy—the Precision-Milled Stainless-Steel Ruler. This essential tool, designed for professionals who won't settle for less, fills the gap between the durability needed in a workshop and the exactness measured in microns.

This ruler is made from high-quality, tempered stainless steel so that it does not corrode, warp, or suffer the usual wear from everyday use. The edges have been precisely shaped by CNC milling, giving them a very sharp and perfectly straight edge that is ideal for drafting, scribing, and accurate cutting. Unlike cheaper versions which have markings that wear off, the fine imperial and metric scales on our product are laser-engraved deeply to ensure they remain clearly visible. Together with a glare-resistant satin-chrome finish, it ensures easy reading whether in bright studio lighting or direct sunlight.

Because of its true-zero edge, you can take flush, butt-joint measurements against vertical surfaces without having to doubt your starting point; the tool's well-balanced and substantial weight gives it a steady feel when used on wood, paper, fabric, or metal and stops it from slipping accidentally during use.

If you are an architect preparing blueprints, a woodworker setting out complex joinery, or an engineer checking tight tolerances, this ruler provides reliable performance. Enhance your work area with a tool designed to last for a lifetime and measure with complete confidence.

Show the full output
  • GPTZero0.00caught
  • Pangram0.00caught
  • Winston AI0.00caught
  • ZeroGPT0.44caught
  • Copyleaks1.00passed
  • Originality.ai0.10caught

Passed 1 of 6 detectors.

Every Grammarly run in October 2026 →

151 words (input 183)

Precision-Milled Stainless-Steel Ruler will help you achieve higher levels of precision in your work. Perfect for anyone who needs a durable and precise ruler. A must have tool in any professional's shop. Made from quality tempered Stainless Steel. You will never have to worry about rust or bend. Our Stainless-Steel ruler is mill ground to give you perfect smooth straight edges to scribe and cut with. Millimeter graduations are laser etched into the stainless steel so you don't have to worry about fading or wearing off like stamped rulers. The Stainless Steel ruler will also have a nice shine to it which allows for great visibility when under shop light or the sun. Zero true edge allows you to measure against a edge for accurate measurements. Great for architects, engineers and woodworkers that need an accurate length measurement. Add one to your shop today and never question your length measurement again.

Show the full output
  • GPTZero0.99passed
  • Pangram1.00passed
  • Winston AI1.00passed
  • ZeroGPT0.94passed
  • Copyleaks1.00passed
  • Originality.ai1.00passed

Passed 6 of 6 detectors.

Every Phrasly run in October 2026 →

Each chip is one detector's score for that output, from 0 (AI) to 1 (human). A score of 0.50 or higher counts as a pass and shows green; below that the detector caught it and the chip shows red.

Questions people ask

Is Grammarly better than Phrasly?

Phrasly finished 0.5 points ahead of Grammarly in the October 2026 cycle, 61.79 to 61.29, ranking #12 against #14 in a field of 14. Phrasly scored higher on 6 of 6 detectors and 4 of 6 writing categories. Both tools ran the same 30 prompts, scored by the same 6 detectors, under methodology v1.3.0; every input, output and verdict is published.

Which bypasses AI detectors better, Grammarly or Phrasly?

Phrasly posted the higher bypass rate, 95.3 vs 38.1, and scored higher on 6 of 6 detectors. Phrasly led on GPTZero, Originality.ai, Copyleaks, Winston AI, ZeroGPT and Pangram.

Do Grammarly and Phrasly keep the original meaning?

Grammarly preserved meaning better, 85.5 vs 49.9 on our 0–100 similarity scale. On readability, Grammarly rated higher, 72.2 vs 44.2. Penalties this cycle: Grammarly −3.0, Phrasly −11.0.