| Phrasly AI | Grammarly AI Humanizer | |
|---|---|---|
| Starting price | $12.99/mo | $12/mo |
| Free tier | 300 words | 0 words |
| Bundled detector | Yes | No |
| Founded | 2023 | 2024 |
| Best for | Users who want the current highest-ranked general-purpose humanizer without extra bundled features. | Professionals who want more natural-sounding AI-assisted drafts without a dedicated bypass-focused tool. |
Price: Grammarly AI Humanizer is cheaper to start, at $12/mo vs $12.99/mo.
Phrasly AI: $12.99/mo for unlimited humanization after a 300-word free allowance.
Grammarly AI Humanizer: Included in Grammarly Premium ($12/mo annual) and Business plans.
Free tier: Phrasly AI offers a more generous free tier (300 words).
If you just want to test either tool before paying, Phrasly AI's 300-word allowance gives you more room to evaluate quality.
Detection performance
Phrasly AI: The tool most frequently named 'best overall' in third-party 2026 testing roundups, ahead of Undetectable AI and StealthGPT.
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 detector included: Phrasly AI bundles a built-in detector; Grammarly AI Humanizer does not.
Strengths at a glance
Phrasly AI
- Consistently ranked #1 across several independent 2026 comparison tests
- Clean, minimal interface — paste, humanize, done
- Built-in detector shows a live score before you export
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
Our verdict
Choose Phrasly AI if: users who want the current highest-ranked general-purpose humanizer without extra bundled features. Choose Grammarly AI Humanizer if: professionals who want more natural-sounding ai-assisted drafts without a dedicated bypass-focused tool.
Full Phrasly AI review → · Full Grammarly AI Humanizer review →