AI Detect vs Polygraf AI Detector
AI Detect
github.comPolygraf AI Detector
polygraf.aiSide by side
| Figure | AI Detect | Polygraf AI Detector |
|---|---|---|
| Price from | Free | $9.95/mo |
| Free plan | Yes | Yes |
| Free trial | — | Yes |
| Open source | Yes | — |
| Web | — | Yes |
| Windows | Yes | — |
| macOS | Yes | — |
| Linux | Yes | — |
| API | — | Yes |
| Self-hosted | Yes | — |
| Plans published | 1 | 3 |
| Spec score · AI Content Detection Software | 9.0 (#6) | 8.7 (#12) |
| Spec score · AI Detection Software | 9.0 (#4) | 8.8 (#8) |
| Integrations | The MCP server can be used with Claude Desktop, Claude Code, or another MCP client. | The company lists native integrations including ChatGPT/OpenAI, Microsoft Copilot, Google Gemini, Anthropic Claude, and AWS Bedrock. |
| Privacy | Text inference runs on the user's hardware; the repository says the only network call is the initial model download. | The product page says analyses are private and that data is not stored or reused. |
| Purpose | AI Detect is an open-source tool that scores writing sentence by sentence for likely AI-generated text. | Polygraf’s AI Content Detector identifies whether content was created or manipulated by AI. |
| Support | The repository says users give up a support contract and polished dashboard when choosing this local tool. | The retail pricing page lists basic chat and email support on its $10-per-month Basic plan. |
Plans
Polygraf AI Detector
- FreeFree
- Standard$9.95 a month
- Premium$49.95 a month
In their own words
Polygraf AI Detector
Polygraf AI Detector identifies whether content was created or manipulated by AI. It reports AI-versus-human probability scores, confidence information, and explainable evidence, and can identify which models may have generated content. The consumer page lists detection for ChatGPT, Gemini, Claude, and other models. One-click verification produces results described as transparent and auditable. The product is available on the web and as a Chrome extension, with file uploads and API access. Polygraf lists integrations with ChatGPT/OpenAI, Microsoft Copilot, Google Gemini, Anthropic Claude, and AWS Bedrock; some cloud-dependent integrations require internet access and do not work in air-gapped deployments. Related Data Provenance tools include AI highlighting, copyright and plagiarism detection, humanized text detection, writing analysis, and synthetic voice detection; the company says these tools are included in all plans. Polygraf says analyses are private and data is not stored or reused. Listed plans are Free at free, Standard at $9.95 a month, and Premium at $49.95 a month. The free plan includes 2.5K monthly tokens, approximately 2K words; Standard includes 150K monthly tokens, approximately 135K words, and Premium includes 1M monthly tokens, approximately 900K words.