Undetectable AI

Input—per 1M tokens

Output—per 1M tokens

Context—tokens

WeightsClosed

About

Undetectable AI is ranked #8 of 45 in AI content detection software on Inferse. It runs on API, Browser extension, Web. A free trial is offered. Paid plans start at $0.42/mo.

Compared on AI content detection software

Free plan: Yesundetectable.ai
Paid from: $9.99/moundetectable.ai
File uploads: Yesundetectable.ai
API access: Yesundetectable.ai
Browser extension: Yesundetectable.ai
Batch scanning: Yesundetectable.ai

Facts

What it does: The AI Detector checks whether text may be AI-generated and names ChatGPT, Gemini, Claude, and other models as detectable sources.undetectable.ai · 3 Oct 2026
Free detector: The site says its AI Detector is free, requires no signup, and returns instant results.undetectable.ai · 3 Oct 2026
Trial limit: The pricing page says the free trial is limited to 250 words and additional use requires paid plan activation.undetectable.ai · 3 Oct 2026
Detection languages: The detector page says it supports 50+ languages, with English offering the highest accuracy.undetectable.ai · 3 Oct 2026
Text limit: The detector input shows a limit of 10,000 words.undetectable.ai · 3 Oct 2026
Detector methods: The site says its detector uses linguistic, semantic, and pattern-analysis models to identify AI-generated writing.undetectable.ai · 3 Oct 2026
Privacy claim: The detector FAQ says submitted text is never stored or used to train models, and that business solutions have stricter data-retention controls.undetectable.ai · 3 Oct 2026
Who it serves: The detector page describes use by bloggers, SEO professionals, students, academics, writers, educators, and researchers.undetectable.ai · 3 Oct 2026
Browser extension: The free Chrome extension offers AI detection, humanization, paraphrasing, question solving, and a human typing simulator.undetectable.ai · 3 Oct 2026
Extension compatibility: The extension page names Google Docs, LinkedIn, Gmail, Microsoft Word Online, Notion, ChatGPT, and Claude among supported sites.undetectable.ai · 3 Oct 2026
API capabilities: The API page lists text detection, humanization, image, audio, and video detection, plus a writing-style replicator.undetectable.ai · 3 Oct 2026
Integrations: The API page says Zapier can connect the service with Google Sheets, RSS feeds, email, and 7,000+ other integrations.undetectable.ai · 3 Oct 2026
API limits: The API FAQ says the default rate limit is 3 requests per second per IP address, and higher limits can be requested.undetectable.ai · 3 Oct 2026
Support: The API Starter plan includes email support, while the Growth plan includes priority support.undetectable.ai · 3 Oct 2026