Head to head · September 2026 cycle
Grammarly vs Phrasly
Phrasly finished 7.2 points ahead of Grammarly in the September 2026 cycle, 67.58 to 60.35, ranking #8 against #12 in a field of 14. Phrasly scored higher on 5 of 5 detectors and 5 of 7 writing categories. Grammarly came out ahead on penalties (−3.0 vs −6.0), meaning preservation (86.4 vs 66.1) and academic essay prompts (69.5 vs 64.5).
- Detectors
- 0 – 5
- Categories
- 2 – 5
- Components
- 4 – 1
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 →
Detector by detector
Share of each tool's outputs that a detector classified as human-written. Phrasly took 5 of 5.
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 →
Head-to-head history
Overall score in every cycle both tools were tested. Phrasly has finished ahead in 4 of 4 shared cycles.
| Cycle | Grammarly | Phrasly | Margin |
|---|---|---|---|
| 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
6 wins- Penalties Score −3.0 vs −6.0
- Meaning preservation Score 86.4 vs 66.1
- Consistency Score 78.7 vs 75.0
- Readability Score 66.1 vs 65.4
- Academic Essay Category 69.5 vs 64.5
- Blog Post Category 58.9 vs 57.7
Phrasly
11 wins- Bypass rate Score 82.1 vs 41.1
- GPTZero Detector 81.4 vs 15.9
- Originality.ai Detector 83.4 vs 43.4
- Winston AI Detector 61.6 vs 38.9
- Copyleaks Detector 81.8 vs 60.3
- ZeroGPT Detector 68.0 vs 58.0
- Application Essay Category 78.1 vs 55.0
- Discussion Board Category 60.6 vs 44.5
- News Article Category 78.3 vs 62.8
- Business Email Category 51.7 vs 44.7
- and 1 more
Questions people ask
Is Grammarly better than Phrasly?
Phrasly finished 7.2 points ahead of Grammarly in the September 2026 cycle, 67.58 to 60.35, ranking #8 against #12 in a field of 14. Phrasly scored higher on 5 of 5 detectors and 5 of 7 writing categories. Both tools ran the same 33 prompts, scored by the same 5 detectors, under methodology v1.2.0; every input, output and verdict is published.
Which bypasses AI detectors better, Grammarly or Phrasly?
Phrasly posted the higher bypass rate, 82.1 vs 41.1, and scored higher on 5 of 5 detectors. Phrasly led on GPTZero, Originality.ai, Copyleaks, Winston AI and ZeroGPT.
Do Grammarly and Phrasly keep the original meaning?
Grammarly preserved meaning better, 86.4 vs 66.1 on our 0–100 similarity scale. On readability, Grammarly rated higher, 66.1 vs 65.4. Penalties this cycle: Grammarly −3.0, Phrasly −6.0.