SEO.ai Free AI Content Detector

SEO.ai Free AI Content Detector is an online tool that estimates how likely a text was generated by AI models such as ChatGPT and GPT-4. It helps teams understand whether content may be flagged as AI-written—useful for SEO, content marketing, and education.

How it works

• Uses 4 AI-content detection models
• Analyzes up to 25,000 characters per check
• Paste your text, click “Test AI-content probability,” and get an instant probability score
• Lower scores (around 1%) suggest mostly human-written text; scores near 100% suggest a high likelihood of AI generation

Who it’s for

• SEO specialists monitoring AI content risk
• Copywriters and editors reviewing drafts
• Website owners maintaining content quality and audience trust
• Educators checking student submissions

Key benefits

• No registration required
• Free to use
• Handles large text inputs
• Fast results for routine checks