No. 22 of 45 ·AI Content Detection Software

ZeroGPT

Web · API

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Freedom report

Two barsScore 6.3

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

ZeroGPT is ranked #22 of 45 in AI content detection software on Freedom251. It runs on API, Web. There is a free plan.

ZeroGPT plans and pricing

All plans

Free Free 5,000 characters per detection · free access to AI detection zerogpt.org · 7 Oct 2026

Compared on AI content detection software

Free plan: Yes
File uploads: Yes
API access: Yes
Batch scanning: Yes

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The record

AI detection: The detector analyzes text for AI generated content and provides sentence level breakdowns and percentage scores.
Models detected: The site says it detects content from ChatGPT, Claude, Gemini, DeepSeek, Llama, and Mistral, among other models.
Humanizer: The humanizer rewrites AI generated text, offers seven writing tones, and supports up to 5,000 characters for free guests.
Plagiarism checker: The plagiarism checker compares submissions with web pages, academic papers, and other published content, and offers free checks up to 5,000 characters per submission.
File support: The AI detector supports .txt, .docx, .pdf, and .odt uploads; free accounts can analyze files up to 5,000 characters.
API and webhooks: The developer API provides text detection and humanization, and supports webhooks with signature verification and automatic retries.
Integrations: The API page describes webhook workflows that can trigger email notifications, Slack messages, or database updates.
Privacy: The privacy policy says submitted text and uploaded files are not stored on its servers, while also noting that third party advertising cookies and trackers are used.
Payments and renewal: The privacy policy says premium payments are processed through Stripe and Razorpay, card information is not saved by ZeroGPT.org, and subscriptions do not automatically renew.
Support: The API page advertises 24/7 support.
Intended users: The about page names educators, students, publishers, SEO professionals, and businesses among its users.
Company history: The about page says ZeroGPT began in early 2024.
Detection caveat: The detector FAQ says no AI detector is 100% accurate and recommends combining automated detection with human judgment.
Founded: 2024
Price from: Free

Where it ranks on Freedom251

Best AI Content Detection Software in 2026#22 of 45

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Sources

zerogpt.org/ai-detector· checked 7 Oct 2026
zerogpt.org/ai-humanizer· checked 7 Oct 2026
zerogpt.org/plagiarism-checker· checked 7 Oct 2026
zerogpt.org/api· checked 7 Oct 2026
zerogpt.org/privacy· checked 7 Oct 2026
zerogpt.org/about· checked 7 Oct 2026
zerogpt.org· checked 28 Sept 2026