Honest comparison
Both tools target the same job. Here's where they actually differ — pricing, free tier, and detector results.
The Humanizer wins on pricing simplicity and includes full Supercharged-mode access on every paid plan. Undetectable.ai has a longer brand history and a larger free word allotment. Detector-bypass performance is broadly similar across both — the right choice usually depends on the features you need.
Undetectable.ai pioneered the consumer humanizer category and has built brand recognition. The Humanizer entered later with a cleaner pricing structure and full Supercharged-mode access on every paid plan.
Both produce text that bypasses GPTZero, Turnitin, and most major detectors. Both restructure rather than paraphrase. Try each free first — The Humanizer gives 350 words/month with no card.
| Feature | The Humanizer | Undetectable.ai |
|---|---|---|
| Free monthly words (no card) | 350 | 250 |
| Bypasses GPTZero | ||
| Bypasses Turnitin AI | ||
| Bypasses Originality.ai | ||
| Cheapest paid plan | $8.99/mo (yearly) | $5/mo (yearly) |
| Supercharged mode for long form | Different naming | |
| Cancel anytime in app |
Prices vary by promotion and billing cycle. Yearly billing typically saves 20–40% on both products.
Compare both side-by-side. Get 350 words every month free — no credit card required.
Frequently asked