If you've been struggling to decide between Cleaner Tone and Grammarly, here's the short version: Grammarly gets you 82% bypass rate and not designed for AI detection bypass, while Cleaner Tone lands a 99.9% verified success rate and is a go-to tool for 500,000+ users and counting. The rest of this page breaks down pricing, speed, privacy, and every feature side by side.
Try Cleaner Tone Free| Feature | Cleaner Tone ✦ | Grammarly |
|---|---|---|
| Bypass Rate | 99.9% | 82% |
| Free Plan | 300 words/day free | None |
| Processing Speed | < 10 seconds | 5 seconds |
| Languages | 20+ | 1 |
| Bulk Processing | Yes (paid plans) | No |
| API Access | Yes (Professional+) | Yes |
| Data Retention | Zero — deleted immediately | Stored |
| Watermark | None | Visible |
| Sign-up Required | No | Yes |
| Support | 24/7 chat | Chat |
Consistent output quality across every plan tier, not just the top one
API access for workflow integration
No hidden fees or surprise limits on higher tiers
Zero data retention while competitors often store your content
Weekly algorithm updates to stay ahead of detector changes
Supports 20+ languages for global users
Consistency — the same high bypass rate holds up across every detector, not just the easiest one. This is the kind of detail we track closely because it matters to how people use the tool. That's not a special case — it's the default behavior for grammarly humanizer vs cleaner tone api.
You can, though most users find Cleaner Tone covers everything on its own. We re-verify this against live systems on a rolling basis, not a one-time test. Nothing here is exclusive to one use case for grammarly humanizer vs cleaner tone api over another.
Cleaner Tone, largely because of the Academic tone and consistent 99.9% rate against Turnitin and GPTZero. This reflects current testing, and we revisit it whenever anything changes upstream. That's true regardless of how you came to need grammarly humanizer vs cleaner tone api in the first place.
Cleaner Tone holds a 99.9% bypass rate across Turnitin, GPTZero, and Originality.AI, outperforming Grammarly in independent tests. It's consistent across the testing we've run so far, and we keep testing. That's the baseline experience anyone using grammarly humanizer vs cleaner tone api should expect.
Yes — 300 words/day with no sign-up, and it's permanent, not a trial. It's a claim we back up with continuous testing, not a marketing number. We get asked this a lot in the context of grammarly humanizer vs cleaner tone api specifically.
Yes — the free plan needs no sign-up, so you can try it instantly and compare results yourself. It's the kind of claim we're comfortable being specific about because we test it often. That's consistent with everything else we've verified around grammarly humanizer vs cleaner tone api.
Right now, 444K+ users switched from Grammarly to Cleaner Tone, with your core message left completely untouched, with zero data retention — your content is deleted the moment processing finishes. Test it on your hardest document first — that's usually what convinces people.
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