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Head-to-head comparison

WriteHuman AI vs Phrasly AI

Tested side by side with the same prompts, same detectors, same scoring. Here is how they compare on bypass rate, meaning preservation, readability, pricing, and which writer each tool actually suits best.

Last tested: Jun 2, 2026
Sample size: 30
Methodology
5 detectors
Winner

WriteHuman AI

writehuman.ai
83.59
Overall Score
84.5%Bypass
82.1Meaning
100Readability

Runner-up

Phrasly AI

phrasly.ai
71.10
Overall Score
76.9%Bypass
71.4Meaning
100Readability

Side-by-side scores

Both tools were tested with 30 identical prompts across 6 writing categories (academic essays, blog posts, marketing copy, news articles, application essays, discussion posts). Each output was scored by 5 independent AI detectors. Here is how the numbers compare:

Overall
83.59

WriteHuman AI

71.1

Phrasly AI

Bypass Rate
84.5%

WriteHuman AI

76.9%

Phrasly AI

Meaning
82.1

WriteHuman AI

71.4

Phrasly AI

Readability
100

WriteHuman AI

100

Phrasly AI

Penalties
0

WriteHuman AI

-6

Phrasly AI

Metric WriteHuman AI Phrasly AI Winner
Overall Score 83.59 71.10 WriteHuman AI
Bypass Rate 84.5% 76.9% WriteHuman AI
Meaning Preservation 82.1 71.4 WriteHuman AI
Readability 100 100 Tie
Penalties 0 -6 (meaning drift, length inflation) WriteHuman AI

Detector-by-detector results

Not all detectors work the same way. Here is how each tool performed against each of the 5 detectors we tested. The tool with the higher bypass score on each detector is highlighted.

GPTZero
WriteHuman AI

87.3

Phrasly AI

78.2

Winston AI
WriteHuman AI

88.1

Phrasly AI

80.1

ZeroGPT
WriteHuman AI

79.6

Phrasly AI

73.4

Copyleaks
WriteHuman AI

81.2

Phrasly AI

72.8

Originality.ai
WriteHuman AI

80.9

Phrasly AI

68.1

WriteHuman AI wins on 5 of 5 detectors. Phrasly AI wins on 0.

Our verdict

Editor’s assessment

WriteHuman AI is the stronger overall performer in this matchup. Its bypass rate (84.5%) is higher than Phrasly AI’s (76.9%), and it wins against 5 of the 5 detectors where there is a clear winner. It finishes 12.5 points ahead on overall score.

Phrasly AI is not a bad tool. However, its penalty load of 6 points (meaning drift, length inflation) is significant, meaning it is more likely to alter what your text actually says.

For most use cases, WriteHuman AI is the better pick.

Pricing comparison

Price alone should not drive the decision, but it is worth knowing what you are paying for. Here is how these two compare on the entry-level monthly plan:

WriteHuman AI
$12 /mo

Free tier available

Phrasly AI
$14.99 /mo

Free tier available

WriteHuman AI is 20% cheaper at $12/mo vs $14.99/mo. Both offer a free tier to test before committing.

Who should pick which

Different tools suit different workflows. Here is a practical breakdown of when each tool is the better fit:

Pick WriteHuman AI if…

  • You want the higher overall score and broader detector coverage
  • Raw bypass rate is your top priority (84.5% vs 76.9%)
  • Meaning preservation matters to your workflow
  • Budget matters and you prefer the lower-priced option ($12/mo vs $14.99/mo)
  • You want fewer quality penalties and cleaner output

Pick Phrasly AI if…

  • You have tested it yourself and prefer its specific output style

Frequently asked questions

Is WriteHuman AI better than Phrasly AI?

In our independent testing across 5 AI detectors, WriteHuman AI scored 83.59 overall compared to Phrasly AI at 71.10. WriteHuman AI wins on raw bypass rate (84.5% vs 76.9%) and leads on 5 of 5 detectors. The better choice depends on which specific detectors matter most to your workflow.

Which is cheaper, WriteHuman AI or Phrasly AI?

WriteHuman AI starts at $12/month with a free tier. Phrasly AI starts at $14.99/month with a free tier.

Which AI humanizer is best for bypassing Turnitin?

Between these two tools, WriteHuman AI performs better against Originality.ai (which Turnitin’s detection is based on), scoring 80.9 compared to 68.1. If Turnitin specifically is your concern, WriteHuman AI has the edge in this matchup.

How were these AI humanizers tested?

We tested both tools using identical prompts across 6 writing categories (academic essays, blog posts, marketing copy, news articles, application essays, discussion posts), then ran every output through 5 independent AI detectors. Our full methodology is published at aihumanizertools.com/how-we-test-ai-humanizers/.

Next move

Use this comparison alongside the full reviews and our testing methodology before making a subscription decision.

Looking for the best AI humanizer? We tested 16 tools head-to-head. See our full Best AI Humanizer in 2026 ranking with bypass rates, pricing, and detailed reviews.