Polygraf AI Detector

Polygraf AI Detector is ranked #2 of 45 in AI content detection software on The Geeks Club. It runs on API, Browser extension, Web. There is a free plan. A free trial is offered. Paid plans start at $9.95/mo.

Polygraf AI Detector plans and pricing

All plans

Free Free 2.5K monthly tokens · ~2K words polygraf.ai · 4 Oct 2026

Standard $9.95/mo monthly 150K monthly tokens · ~135K words polygraf.ai · 4 Oct 2026

Premium $49.95/mo monthly 1M monthly tokens · ~900K words polygraf.ai · 4 Oct 2026

Compared on AI content detection software

Free plan: Yes
Supported languages: 1
File uploads: Yes
API access: Yes
Browser extension: Yes

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Polygraf AI Detector

Purpose: Polygraf’s AI Content Detector identifies whether content was created or manipulated by AI.
Model identification: The detector identifies which AI models were used to generate content and provides confidence scores and insights.
Evidence: It provides AI-versus-human probability scores with explainable evidence and one-click verification with transparent, auditable results.
Privacy: The product page says analyses are private and that data is not stored or reused.
Detection claims: Polygraf claims 20–35% higher detection accuracy and faster performance than leading tools.
Compliance: The detector page says it is built for GDPR, FERPA, CCPA, and enterprise audit requirements.
Additional tools: The Data Provenance tools include AI Highlighter, Copyright Detector, Plagiarism Detector, Humanized Text Detector, Writing Analysis, and a synthetic voice detector.
Plans: The page says Data Provenance tools are included in all plans, but does not state prices or plan names.
Security: The company describes its AI as on-premises, zero-trust, and locally run for real-time protection in regulated environments.
Deployment: Polygraf says its AI can operate air-gapped within an organization’s infrastructure.
API: Polygraf provides APIs for integrating real-time data protection into applications.
Intended users: Polygraf describes its products as serving organizations in defense, finance, healthcare, and government.
Support/contact: The company’s About page invites visitors to get in touch or request a demo.
Detection: The detector identifies whether content was created or manipulated by AI and reports AI versus human probability scores with explainable evidence.
Price from: $9.95/mo

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Where it ranks on The Geeks Club

Best AI Content Detection Software in 2026#2 of 45
Best AI Detection Software in 2026#3 of 30

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Sources

polygraf.ai/ai-detector/· checked 4 Oct 2026
polygraf.ai/about/· checked 4 Oct 2026
polygraf.ai/api-agents/· checked 4 Oct 2026
polygraf.ai/ai-content-detector-consumer/· checked 4 Oct 2026
polygraf.ai/news/polygraf-launches-ai-content-detec· checked 4 Oct 2026
polygraf.ai/platform-overview/integrations/· checked 4 Oct 2026
polygraf.ai/compliance-trust-center/· checked 4 Oct 2026
polygraf.ai/retail-pricing/· checked 4 Oct 2026