Undetectable AI Pricing in 2026
Every plan Undetectable AI publishes, with the page and date we read it from. Prices we could not find on Undetectable AI's own site are marked "Not published", never guessed.
| Plan | Price | Billing | Limits | Source |
|---|---|---|---|---|
| 10K words/month | $5 per year | $5.00/mo; Charged annually $60.00 | 10K words/month · Unlimited AI Detecting · API compatible | undetectable.ai |
| 20K words/month | $9.50 per year | $9.50/mo; Charged annually $114.00 | 20K words/month · Unlimited AI Detecting · API compatible | undetectable.ai |
| 35K words/month | $15.75 per year | $15.75/mo; Charged annually $189.00 | 35K words/month · Unlimited AI Detecting · API compatible | undetectable.ai |
| 50K words/month | $21.25 per year | $21.25/mo | 50K words/month · Includes all features from other plans | undetectable.ai |
| API Starter | $29 per month | $29/mo | 72,500 words included · $0.40 / 1K words after allowance · Standard rate limits · Email support | undetectable.ai |
| API Growth | $49 per month | $49/mo | 245,000 words included · $0.20 / 1K words after allowance · Higher rate limits · Priority support | undetectable.ai |
| Business | Not published | Custom pricing | Non-expiring credits · Redistribution and white labeling · Priority support · API compatible | undetectable.ai |