| Grammarly AI Humanizer | AI Natural Write | |
|---|---|---|
| Starting price | $12/mo | $7.99/mo |
| Free tier | 0 words | 400 words |
| Bundled detector | No | Yes |
| Founded | 2024 | 2024 |
| Best for | Professionals who want more natural-sounding AI-assisted drafts without a dedicated bypass-focused tool. | Budget-conscious writers, bloggers, and students who want strong results without a premium price tag. |
Price: AI Natural Write is cheaper to start, at $7.99/mo vs $12/mo.
Grammarly AI Humanizer: Included in Grammarly Premium ($12/mo annual) and Business plans.
AI Natural Write: Free tier available; Pro plans from $7.99/mo.
Free tier: AI Natural Write offers a more generous free tier (400 words).
If you just want to test either tool before paying, AI Natural Write's 400-word allowance gives you more room to evaluate quality.
Detection performance
Grammarly AI Humanizer: Grammarly is explicit that the feature is meant to improve natural tone rather than guarantee detector evasion, which sets it apart from bypass-first competitors.
AI Natural Write: Positioned by testers as the best value-for-money option, trading a few points of bypass rate for a meaningfully lower price.
AI detector included: AI Natural Write bundles a built-in detector; Grammarly AI Humanizer does not.
Strengths at a glance
Grammarly AI Humanizer
- Built into an app most professionals already have installed (browser, desktop, Docs)
- Focuses on clarity and flow rather than aggressive detection evasion
- Backed by Grammarly's long-standing grammar and tone engine
AI Natural Write
- Usable free tier without a credit card requirement
- Reported 91% bypass rate in independent testing, close to category leaders
- Straightforward, uncluttered interface
Our verdict
Choose Grammarly AI Humanizer if: professionals who want more natural-sounding ai-assisted drafts without a dedicated bypass-focused tool. Choose AI Natural Write if: budget-conscious writers, bloggers, and students who want strong results without a premium price tag.
Full Grammarly AI Humanizer review → · Full AI Natural Write review →