See How WriteHumane
Compares
We ran the same 500-word ChatGPT essay through 6 leading AI humanizer tools and submitted each output to 4 major detectors. Here are the unfiltered results.
| Tool | GPTZero | Turnitin | Originality.ai | Copyleaks | Speed | Price |
|---|---|---|---|---|---|---|
| WriteHumane | 2% | 3% | 1% | 2% | 2.1s | $7–15/mo |
| Undetectable AI | 11% | 18% | 14% | 9% | 4.5s | $9.99–49/mo |
| Phrasly | 8% | 12% | 9% | 7% | 5.2s | $12–36/mo |
| QuillBot | 38% | 42% | 35% | 31% | 3.1s | $19.95/mo |
| Humbot | 22% | 28% | 19% | 18% | 6.8s | Free–$14.99 |
| StealthGPT | 15% | 20% | 12% | 10% | 7.1s | ~$32/mo |
Test Methodology
Transparency matters. Here is exactly how we ran our tests.
Same Source Text
We generated a 500-word argumentative essay using ChatGPT-4o with default settings. The same unedited output was used for every tool.
Default Settings
Each humanizer was tested with its default or recommended mode. No manual tweaking or cherry-picking. Every tool got a fair shot.
Multi-Detector Scoring
Each output was submitted to GPTZero, Turnitin, Originality.ai, and Copyleaks. We ran each test 3 times and averaged the AI-detection scores.
Before & After
See the difference WriteHumane makes on real AI-generated text.
“The proliferation of artificial intelligence in modern education has fundamentally transformed the way students approach academic tasks. AI-powered tools offer unprecedented capabilities for generating, refining, and optimizing written content across various academic disciplines. However, the increasing sophistication of these tools has simultaneously prompted educational institutions to implement robust detection mechanisms to maintain academic integrity.”
“AI has genuinely changed how students get their work done, and honestly, it's hard to imagine going back. Tools like ChatGPT can help you brainstorm, draft, and polish essays in ways that weren't possible a few years ago. The catch? Universities caught on fast and rolled out detection software to flag anything that looks too machine-written. It's a bit of a cat-and-mouse game at this point.”
Why WriteHumane Wins
Three reasons users switch from competitors and never look back.
Lowest Detection Scores
WriteHumane consistently scores under 5% across GPTZero, Turnitin, Originality.ai, and Copyleaks — the lowest of any tool we tested.
Fastest Processing
At 2.1 seconds per 500-word essay, WriteHumane is over 2x faster than the average competitor. Your time matters.
Best Value
Starting at $7/mo, WriteHumane delivers premium humanization at a fraction of the cost of tools like StealthGPT ($32/mo) or QuillBot ($19.95/mo).
Frequently Asked Questions
Everything you need to know about our comparison testing.