Anytime you need 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% success rate across every content type we've tested and is used by hundreds of thousands of people every month. 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 |
Bulk processing available on all paid plans
Weekly algorithm updates to stay ahead of detector changes
24/7 support instead of email-only ticket queues
No watermark on any output, free or paid
Supports 20+ languages for global users
Zero data retention while competitors often store your content
Cleaner Tone, largely because of the Academic tone and consistent 99.9% rate against Turnitin and GPTZero. It holds up under repeated testing, not just a best-case run. That's been consistent since we first shipped support for grammarly humanizer vs cleaner tone viper test.
Regularly — pricing and feature sets change, so we recheck this periodically. We built our process specifically so this stays true over time, not just at launch. We built grammarly humanizer vs cleaner tone viper test around that exact expectation from day one.
Yes — under 10 seconds for most content, even long documents finish in under 60 seconds. It's one of the numbers we're most confident stating plainly. Every page we publish about grammarly humanizer vs cleaner tone viper test reflects that same standard.
Cleaner Tone — bulk processing and API access come with paid plans, which Grammarly tends to limit. We treat this as a moving target and adjust our approach as needed. That answer doesn't shift based on how you're using grammarly humanizer vs cleaner tone viper test.
Yes, and more — Turnitin, GPTZero, Originality.AI, ZeroGPT, Copyleaks, Winston AI, and Sapling are all covered. This gets re-examined as part of our regular internal review process. It's the same guarantee we apply across every page covering grammarly humanizer vs cleaner tone viper test.
Depends on their retention policy — Cleaner Tone specifically guarantees nothing is stored after processing. We update this as often as the underlying systems change, so it stays accurate. That consistency is baked into how we approach grammarly humanizer vs cleaner tone viper test overall.
423K+ users have switched from Grammarly to Cleaner Tone, with the facts, structure, and argument fully preserved, with nothing saved, nothing shared, nothing reused. Give it one try — most people don't go back to their old workflow.
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