DetectGPT

DetectGPT checks whether text may be flagged as human-written or AI-generated for teachers, students, and writers.

detectgpt.com
DetectGPT homepage screenshot

About DetectGPT

DetectGPT checks whether text may be flagged as human-written or AI-generated, listing support for models including ChatGPT, GPT-4 and Gemini in 50+ languages. It also offers plagiarism checking, fact checking, readability scoring, shareable original-content certification links, batch file detection, PDF reports and an API for organizations.

Results are presented as probabilities or flags, and the site states 95% accuracy, so outputs require interpretation. AI image detection is listed as coming soon, and the site advertises a 3,000-word free trial.

Key features

  • Checks text for human-written or AI-generated signals
  • Detects content from ChatGPT, GPT-4, Gemini and more
  • Supports analysis in 50+ languages
  • Checks plagiarized text across the internet
  • Provides shareable original-content certification links
  • Offers detection API for organizational workflows
Best for: Teachers, students, and writers who want to check text originality and AI-generation flags.
Good for
  • Lists detection for multiple AI models, including ChatGPT, GPT-4 and Gemini
  • Available in 50+ languages
  • Combines detection with plagiarism checking, fact checking and readability scoring
Watch out for
  • AI image detection is listed as coming soon, not currently available

DetectGPT at a glance

Type
Website
Pricing
Not confirmed. Check the site
Platforms
Web
Open source
Not stated
Language
English
Good for
Educators
Last checked
Oct 5, 2026 · Online when checked
Listed
Oct 5, 2026

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DetectGPT FAQ

Which AI models does DetectGPT check for?
The site lists ChatGPT, GPT-4, Gemini and more.
Is there a free trial?
The site advertises a 3,000-word free trial with no credit card required.
Can it detect AI-generated images?
No, AI image detection is listed as coming soon.
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