Gemini AI Text Detector
Check if text was written by Google Gemini. Covers Gemini 1.5 Pro, 2.0 Flash, 2.5 Pro, and AI Studio outputs. Free, instant, no login.
AI Text Detector
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Signal Breakdown tap to expand
What Makes Gemini Writing Detectable
Google trained Gemini heavily on structured documents, Workspace data, and instructional content. Four patterns persist across all Gemini versions.
Compulsive List-Making
Gemini converts narrative answers into bullet lists even unprompted. Human writers rarely bullet-list a paragraph they could just write. If you see 3–5 bullet points where prose would work, it's often Gemini.
Instructional Tone
"Here's how to...", "To do this, you should...", "The key steps are..." — Gemini defaults to instructional mode regardless of context. Ask it for an opinion and it gives you a how-to guide.
Crisp Topic Sentences
Every paragraph starts with a clear, short topic sentence (8–12 words). Human paragraphs frequently bury the point or start with a detail. Gemini's Google Docs training makes this structural consistency very consistent.
Summary Compulsion
Gemini adds a "Summary" or "Key Takeaways" section to responses that don't need one. This is its training data from Google Docs/Workspace showing through — every doc needs an executive summary.
Gemini Versions This Covers
Detection works across all Gemini versions. Newer models score lower as Google improved stylistic diversity.
Accuracy & Limitations
Accuracy varies by model version and editing level: