Free AI Detector for ChatGPT, Claude & Gemini

Check if your text is AI-generated with our advanced detection model. Sentence-level analysis, instant results, no signup required.

ChatGPT / GPT-5 Claude Gemini 100% Free
AI Content Detector 0 words
0 / 25,000 characters
0% AI Content

Analyzing...

Sentence-by-Sentence Analysis

AI Generated (>70%)
Mixed (40-70%)
Human Written (<40%)

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Why Use Our AI Detector?

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Instant Detection

Get results in seconds. Our RoBERTa-based model analyzes text patterns to identify AI-generated content with high accuracy.

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Sentence-Level Analysis

See exactly which sentences are likely AI-generated, mixed, or human-written with color-coded highlighting.

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100% Free, No Signup

No account needed. No word limits. Just paste your text and get instant results. Completely free to use.

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Detects All Major AI

Works with content from ChatGPT, GPT-4, GPT-5, Claude, Gemini, and other large language models.

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Private & Secure

Your text is analyzed in real-time and never stored. Complete privacy for all your content checks.

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API Available

Developers can integrate our AI detection into their own tools via our REST API. Contact us for details.

Frequently Asked Questions

How does the AI detector work?
Our AI detector uses a RoBERTa-based transformer model trained to distinguish between human-written and AI-generated text. It analyzes linguistic patterns, word choices, and sentence structures that are characteristic of AI writing.
Is this AI detector really free?
Yes, our AI detector is completely free to use with no signup required. There are no hidden limits or paywalls. We plan to offer premium features in the future, but the core detection tool will always remain free.
Can it detect ChatGPT, Claude, and Gemini?
Yes. Our model detects content from all major AI language models including ChatGPT (GPT-3.5, GPT-4, GPT-5), Claude (Anthropic), Gemini (Google), and other LLMs. The detection works by analyzing writing patterns common to AI models.
How accurate is the AI detection?
Our model achieves high accuracy on standard benchmarks. However, no AI detector is 100% accurate. We recommend using the results as guidance rather than definitive proof. Heavily edited AI text or very short passages may be harder to detect.
Is my text stored or shared?
No. Your text is processed in real-time for analysis and immediately discarded. We do not store, share, or use your text for any purpose other than providing you with detection results.