Writing · Vendor site 2026-10-04
Undetectable AI offers AI detection, humanization, image detection, and related writing tools for students, creators, and businesses. The homepage provides free trials on detector and humanizer inputs, plus a Chrome extension and API-compatible paid word bundles on the pricing page.
Understand the total cost
Listed monthly price
$9.99 /mo
Lowest sourced paid monthly price · USD
No retained pricing changes yet. A current price alone does not establish a historical trend.
Reviewed vendor source
Read original source ↗Facts apply to the named version and check date. Send a sourced correction if something changed.
Not as an ongoing plan. Undetectable offers a free trial. Homepage lets users paste text for AI detection and humanization with a free trial note; pricing states free trials are limited to 250 words before paid activation.
Undetectable paid plans start at $9.99 per month (Listed monthly price $9.99/mo). Prices are in USD and last checked Oct 4, 2026.
API or developer access is mentioned. Pricing feature lists mark API compatibility on paid humanizer tiers.