Categories / Undetectable AI

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.

Free plan
Yes
Starting price
$19/mo
Pricing model
Freemium
Verification
Verified
Last verified

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.

PlanBilled monthlyYearly, per monthWhat it includes
Free $0 not recorded
  • 250-word humanizer trial
  • AI detector free up to 10,000 words per scan
10K words (yearly only) not recorded $5
  • 10,000 words a month
  • Billed $60 a year; shown as a 50% limited-time offer
20K words $19 $9.50
  • 20,000 words a month
  • Unlimited AI detecting, human auto typer, API compatible; $114 a year billed yearly
35K words $31 $15.75
  • 35,000 words a month
  • $189 a year billed yearly
50K words $42.50 $21.25
  • 50,000 words a month
API Starter $29 not recorded
  • 72,500 words included, then $0.40 per 1,000 words
API Growth $49 not recorded
  • 245,000 words included, then $0.20 per 1,000 words

"Not recorded" means we did not find that price, not that it is free. Prices exclude tax and can differ by country.

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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

Open Undetectable AI's own site · Report a mistake on this page