Undetectable AI pricing
Paid plans start at $9.99/mo with monthly billing. Free plan: yes. Free trial: Free trial limited to 250 words. Prices checked on November 2, 2026.
| Plan | Monthly billing | Annual billing (per month) | Limits / what’s included |
|---|---|---|---|
| 10K words/month plan per month | $9.99 | $5 | 10K words/month; charged annually $60.00 |
| 20K words/month plan per month | $19 | $9.50 | 20K words/month; charged annually $114.00 |
| 35K words/month plan per month | $31 | $15.75 | 35K words/month; charged annually $189.00 |
| 50K words/month plan per month | $42.50 | $21.25 | 50K words/month |
Free trial: Free trial limited to 250 words. Free plan: yes.
Prices checked on on the official Undetectable AI pricing page. “—” = not published.
Monthly vs annual billing
- 10K words/month plan: $9.99/mo monthly vs $5/mo billed annually (saves 50%).
- 20K words/month plan: $19/mo monthly vs $9.50/mo billed annually (saves 50%).
- 35K words/month plan: $31/mo monthly vs $15.75/mo billed annually (saves 49%).
- 50K words/month plan: $42.50/mo monthly vs $21.25/mo billed annually (saves 50%).
Price history
Changes we recorded on Undetectable AI’s official pricing page, newest first.
| Date | Plan | Change | Before | After |
|---|---|---|---|---|
| 80K words/month | Plan removed | $64/mo per month | — | |
| 50K words/month | Plan removed | $42/mo ($21.25/mo billed annually) per month | — | |
| 35K words/month | Plan removed | $31/mo ($15.75/mo billed annually) per month | — | |
| 20K words/month | Plan removed | $19/mo ($9.5/mo billed annually) per month | — | |
| 10K words/month | Plan removed | —/mo ($5/mo billed annually) per month billed yearly | — | |
| 50K words/month plan | Plan added | — | $42.5/mo ($21.25/mo billed annually) per month | |
| 35K words/month plan | Plan added | — | $31/mo ($15.75/mo billed annually) per month | |
| 20K words/month plan | Plan added | — | $19/mo ($9.5/mo billed annually) per month | |
| 10K words/month plan | Plan added | — | $9.99/mo ($5/mo billed annually) per month |
Undetectable AI: features, pros and cons →
Suggest an update
Wrong price, outdated fact or a tool that shut down? Are you the vendor and disagree with this page? Tell us, ideally with a link to the official page. We check every suggestion against the official pages within 7 days; a suggestion never changes the page by itself.