CheckitAI — Free AI Text Detector & Readability Scorer

Paste any text (50+ words works best) to instantly detect AI-generated content from ChatGPT, Claude, Gemini, and more.

— AI%

—

Human—AI

Key Indicators

Sentence-Level Analysis

Get an instant readability grade, Flesch score, and AI-powered suggestions to improve your writing clarity and impact.

Very Easy—Very Hard

Improvement Suggestions

Our AI analyzes your text at the sentence level to detect patterns unique to AI models like ChatGPT, Claude, Gemini, and more.

Paste Your Text

Paste any content you want to analyze — essays, emails, articles, or anything longer than 50 words.

Instant Analysis

Our AI runs 30+ checks — vocabulary patterns, sentence structure, repetition, coherence, formality, and more.

Get Your Score

See your AI probability score, sentence-level breakdown, and detailed indicators explaining the verdict.

🎯

92% Accuracy

Trained on thousands of real-world texts written by humans and AI models. The longer your text, the more accurate the detection.

Is your text human or AI?