Categories / Undetectable AI
Undetectable AI
Visit Website ↗AI humanizer and AI content detector that rewrites text to read as human-written. Plans are sized by words a month; an API and a Human Auto Typer are included.
Prices may change. These are correct as of 10 Nov 2026. Please confirm on the vendor's own page before you pay.
Verified. Undetectable AI's pricing page, its API page and its own blog agree on the $19 monthly and $5 yearly entry prices. The yearly prices are marked as a limited-time 50% offer.
Free plan
Free plan: 250 words (one time). New accounts get a small word trial (250 words). The AI Detector is free up to 10,000 words per scan.
Plans and prices (USD)
Swipe the table sideways to see what each plan includes.
| Plan | Billed monthly | Yearly, per month | What it includes |
|---|---|---|---|
| Free | $0 | not recorded |
|
| 10K words (yearly only) | not recorded | $5 |
|
| 20K words | $19 | $9.50 |
|
| 35K words | $31 | $15.75 |
|
| 50K words | $42.50 | $21.25 |
|
| API Starter | $29 | not recorded |
|
| API Growth | $49 | not recorded |
|
"Not recorded" means we did not find that price, not that it is free. Prices exclude tax and can differ by country.
Where it may fit
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Taken from what the vendor says the tool does. We have not tested it.
What to watch
- Yearly prices are a limited-time 50% offer and may rise.
- Copycat sites use the same name; check you are on undetectable.ai.
Sources
- Undetectable AI pricing (checked 10 Nov 2026)
- Undetectable AI API pricing (checked 10 Nov 2026)
- Undetectable AI: best AI humanizer (2026 prices) (checked 10 Nov 2026)
Open Undetectable AI's own site · Report a mistake on this page