Polygraf AI
Deepfake and interview-cheating detection.
Quote-based pricing API
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Bottom line
AI security suite that also flags interview cheating from tools such as Cluely. Hiring detection is sales-quoted.
Stands out for: Transcribes interviews and scores AI-coached answers in under 2 seconds, aimed at Cluely, Yoodli, InterviewCoder, and Pickle.
Watch out for: The hiring detector is demo-sold. Retail AI-detector plans exist for writing, but those are a different SKU from interview fraud.
Overview
Polygraf AI is an Austin company selling small-language-model security: on-prem policy enforcement, PII stripping, deepfake detection, and an Interview Cheating AI Detector. The hiring product transcribes live answers and flags coaching from tools such as Cluely, Yoodli, InterviewCoder, and Pickle, with a claimed detection time under 2 seconds. Access for that SKU is a request form, not self-serve checkout.
Hiring and security teams pick Polygraf when they want cheating and deepfake checks without sending audio to a public LLM. Pricing for the interview detector is sales-quoted. A separate retail writing-detector line has existed with trials, but that is not the hiring SKU. The vendor also sells container deployments on Azure, Google Cloud, AWS, and edge hardware. Buying starts with a demo.
Who it's for
Best for
- TA teams fighting AI-coached live interviews
- Security teams that want on-prem AI policy enforcement
- Employers hiring into sensitive or government roles
- Companies that need deepfake and synthetic-voice checks
Not ideal for
- Teams that want a self-serve interview SKU with a rate card
- Buyers who only need a cheap writing detector
Key features
Deepfake detection. Flags synthetic video and audio in interviews.
Interview integrity. Cheating and impersonation signals, including Meeting Guard. Brand is Polygraf AI, not POLYGRAF.
What it does. Watches the interview for deepfakes, proxies, and cheating tools.
AI features
| What the AI does | Plan |
|---|---|
| Live interview transcription and AI-coaching detection | Sales-quoted |
| Deepfake, synthetic voice, and AI-content detection | Included |
Only features named in the vendor's own documentation. Anything sold separately is marked as an add-on.
Pricing
Sales-quoted. The Interview Cheating AI Detector is sold on a demo. Retail writing-detector plans are a different SKU. Confirm current terms on the vendor site.
Checked 4 Nov 2026. Vendors change prices without notice.
Is Polygraf AI expensive?
Polygraf AI does not publish a price. It is one of 10 quote-based tools among the 33 candidate fraud & AI detection tools in our directory. 7 have a free tier, and those with a public price typically start around $99 a month.
- 10 quote-based
- 7 free tier
- 18 public price
Worked out automatically from every candidate fraud & AI detection listing, so it updates as the directory changes.
Pros and cons
Pros
- Interview cheating detector for live audio
- On-prem deploy option for sensitive employers
- Flags named coaching tools in real time
Cons
- Hiring SKU is sales-quoted
- No self-serve checkout for interviews
- Writing-detector prices are a different product
What's new at Polygraf AI
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How Polygraf AI compares
See all Polygraf AI alternatives, with what each one does differently and a head to head for every pairing.
| Tool | Free tier | From | MCP | API | Compare |
|---|---|---|---|---|---|
| Polygraf AI (this tool) | – | Sales-quoted | – | ✓ | |
| | – | $250/mo | – | ✓ | Compare |
| | – | $0.80/check | – | ✓ | Compare |
| | – | Sales-quoted | – | – | Compare |
| | – | $249/mo | – | ✓ | Compare |
$250/mo API
Identity verification if the risk is fake people, not coached answers.
$0.80/check API
ID and biometric checks at a published per-check rate.
Sales-quoted
Enterprise video interview suite with its own integrity tools.
$249/mo API
One-way video interviews without a dedicated cheating detector.
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