
GPTZero
7.5#4 in ai detection softwareFrom $8.33 a monthFree planWebAPIExtension
Visit

| Fact | GPTZero | Winston AI |
|---|---|---|
| API | The API accepts files and text and returns AI-detection probabilities at document, paragraph, and sentence level, including batch inference. | Winston offers developer APIs for AI detection, plagiarism detection, fact checking and AI image detection, with API-key authentication and published documentation. |
| Browser extension | The Chrome extension scans web pages and adds AI detection, citation checks, writing feedback, and writing replays to Google Docs and other workflows. | Winston AI describes a Chrome extension for scanning highlighted webpage text and images in the browser. |
| Headquarters | New York, United States | Montreal, Quebec, Canada |
| Integrations | GPTZero lists Google Classroom and Canvas LMS integrations, an API for developers, and a Zapier integration. | Official help pages list Google Classroom, WordPress and Chrome, Opera and Firefox browser extensions as integrations. |
| Languages | GPTZero says it fully supports English, German, Portuguese, French, and Spanish. | AI text detection supports English, German, French, Dutch, Spanish, Portuguese, Italian, Polish, Indonesian, Tagalog, Chinese, Romanian, Russian, Ukrainian, Bulgarian and Azerbaijani. |
| Purpose | GPTZero identifies AI-generated text and highlights AI use at document, sentence, and word level. | Winston AI detects AI-generated text and images and offers plagiarism checking and other content-integrity tools. |
GPTZero suits educators, hiring teams, publishers, journalists, and others assessing writing authenticity. Its API, browser extension, and education integrations may also suit users who want detection in existing workflows.
Winston AI may suit educators, SEO publishers, writers and content creators who want to check text or images for AI-generated content or plagiarism. Its browser extension and integrations may fit users working with webpages or the listed services.