Heynotai

Web · Self-hosted · API · Extension · paid plans from $8/mo

Freedom report

Two barsScore 6.4

Free tierA free tier is on its own pricing page
Open codeNo open-source code on record
Runs widely1 of 6 device platforms
DocumentedPlans, terms and facts published

Heynotai is ranked #6 of 30 in AI detection software on Freedom251. It runs on API, Browser extension, Self-hosted, Web. There is a free plan. Paid plans start at $8/mo.

Heynotai plans and pricing

All plans

Check Free 100 tokens / month · AI text + image detection · confidence score · sentence-level highlights heynotai.com · 1 Oct 2026

Verify $8/mo billed annually · $100 / yr 10K tokens / month · browser extension · paraphrase + tone forensics · priority support heynotai.com · 1 Oct 2026

Certify $25/mo billed annually · $300 / yr 50K tokens / month · shareable reports · 12-month audit trail · API access heynotai.com · 1 Oct 2026

Team Not published Custom tokens / month · shared collections and monitors · SSO · role-based access · dedicated success manager heynotai.com · 1 Oct 2026

Compared on AI detection software

Free plan: Yes
Paid from: $8/mo
API access: Yes
Browser extension: Yes
Report export: pdf

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The record

Purpose: Heynotai detects AI-generated text, images, audio, video, essays, headshots, voice notes, and deepfakes.
Detection inputs: Users can paste text, drag images, attach a voice memo, or link a YouTube video for analysis.
Verdicts: The service reports likely human, likely AI, or uncertain with a probability instead of a binary yes/no result.
Detector API: Heynotai lists eight detectors covering text, image, audio, video, deepfake, voice clone, watermark, and paraphrase through one API.
Reports: Verdicts include model breakdowns, flagged regions, and confidence intervals, with PDF export, audit trail, and API access.
Privacy: The site says the extension runs locally, the API is opt-in, and the product uses on-device processing with zero retention by default.
Accuracy: Heynotai reports internal benchmark accuracy of 96.3% for text, 94.1% for image, 91.7% for audio, and 89.4% for video.
Offline use: Text and image checks can run on-device in the browser extension, while audio and video use the opt-in API; the API can be self-hosted for an air-gapped deployment.
Education: Heynotai licenses the product to education at a flat per-seat rate and uses regional flags rather than scores for student essays.
False positives: Users can appeal verdicts in-product, and team-plan customers receive a private retrieval index for their content style.
Data collection: The privacy policy says Heynotai does not collect general browsing history or log clicks, scrolling, or keystrokes.
Security handling: Scan content is sent securely to the Heynotai API, the extension does not execute remotely hosted code, and the company says it uses reasonable technical and organizational safeguards.
Support: The site lists [email protected] and +1 (555) 766-5460 as contact details.
Integrations: The privacy policy states that Google receives information when a user chooses Google sign-in and that Google API use follows Chrome Web Store Limited Use requirements.
Price from: $8/mo

Where it ranks on Freedom251

Best AI Detection Software in 2026#6 of 30

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Sources

heynotai.com· checked 1 Oct 2026
heynotai.com/privacy· checked 1 Oct 2026
heynotai.com/pricing· checked 1 Oct 2026