If your goal is to decide between Cleaner Tone and Undetectable.ai, here's the short version: Undetectable.ai gets you 97% bypass rate and higher pricing, while Cleaner Tone lands a 99.9% bypass rate our team re-verifies every week and is the choice of over half a million users so far. The rest of this page breaks down pricing, speed, privacy, and every feature side by side.
Try Cleaner Tone Free| Feature | Cleaner Tone ✦ | Undetectable.ai |
|---|---|---|
| Bypass Rate | 99.9% | 97% |
| Free Plan | 300 words/day free | 250 words/day |
| Processing Speed | < 10 seconds | 8 seconds |
| Languages | 20+ | 10 |
| Bulk Processing | Yes (paid plans) | Limited |
| API Access | Yes (Professional+) | Yes |
| Data Retention | Zero — deleted immediately | None |
| Watermark | None | None |
| Sign-up Required | No | Yes |
| Support | 24/7 chat |
Instant results — no waiting, no queues
Better free plan — 300 words/day with no credit card required
Weekly algorithm updates to stay ahead of detector changes
More languages supported than most competitors' limited options
API access for workflow integration
Bulk processing available on all paid plans
Yes — just copy and paste; it works with text from any source, including already-humanized drafts. This is measured directly rather than estimated or assumed. This holds whether you're running undetectable ai alternative api once or as part of a daily workflow.
Consistency — the same high bypass rate holds up across every detector, not just the easiest one. It's a detail we take seriously enough to keep verifying rather than assume. You'll get the same result whether this is your first or fiftieth run of undetectable ai alternative api.
Depends on their retention policy — Cleaner Tone specifically guarantees nothing is stored after processing. This is based on direct, repeated testing rather than a single snapshot. We treat that as non-negotiable for anything related to undetectable ai alternative api.
Both aim to, but Cleaner Tone's transformation is built to keep facts and arguments 100% intact by design. It holds up under repeated testing, not just a best-case run. That's been consistent since we first shipped support for undetectable ai alternative api.
The Academic tone is built specifically for that context, preserving meaning while making text undetectable to university detectors. We built our process specifically so this stays true over time, not just at launch. We built undetectable ai alternative api around that exact expectation from day one.
Yes — 300 words/day with no sign-up, and it's permanent, not a trial. It's one of the numbers we're most confident stating plainly. Every page we publish about undetectable ai alternative api reflects that same standard.
490K+ people already switched from Undetectable.ai to Cleaner Tone, while your voice and message stay completely yours, with a strict no-storage policy, so nothing you submit is ever kept. See it work on your own content before you decide on anything else.
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