AI Detector

Detect content generated by AI models like Gemini, Claude, ChatGPT, and others with 100% accuracy. Get confidence scores, sentence-level highlights, and hallucination detection.

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Detect AI-generated Content with Unprecedented Accuracy

Our AI detector scans any text and instantly reveals whether it was written by a human or generated by an AI model. Our AI detection engine thoroughly analyzes your text to identify the exact sentences that carry AI patterns and display the percentage of AI score, and flags hallucination risks in seconds.

With multi-model detection for ChatGPT, GPT-5, Claude, Gemini, DeepSeek, and more across multiple languages, SmallAITools offers the best AI content detector for students, writers, researchers, and SEO professionals.

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How to Use AI Detector?

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Add your Content

Paste your text directly into the input box or upload a file from your device.

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Run the Scan

Click "Detect AI" to start the analysis. Our AI checker processes your content instantly.

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Review Results

See the AI percentage score, highlighted AI sentences, and a confidence score for each flagged section.

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Refine Content

Rewrite flagged sections as AI-generated to make your content sound authentically human.

Advanced AI Detector with Industry-Leading Detection Model

Our AI content detector uses an industry-leading detection model that goes far beyond basic AI detection. It helps users with:

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AI Refined Content Detection

Most AI detectors only flag text that's been copied directly from an AI model. Our AI scanner goes further and identifies content that was originally human-written but later enhanced or rewritten using AI.

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AI Models Detection

Our advanced AI checker detects content generated by the most widely used large language models, including ChatGPT, GPT-4 & GPT-5, Claude, Gemini, DeepSeek, and Llama. No matter which tool was used, our detector identifies it accurately.

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Confidence Score Analysis

Each flagged section includes a confidence score showing exactly how certain the detection is. This score gives writers, SEO professionals, and educators the exact proportion of content generated by AI and written by a human.

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Hallucination Risk Analysis

Our AI detector goes beyond basic detection by identifying both AI-generated content and hallucination risks. It highlights sections where AI may have added false facts, fabricated statistics, or fake citations, helping you protect your credibility.

Most Reliable AI Detector Built for Everyone

AI detector serves a wide range of users across academic, professional, and creative fields.

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For Students

Check assignments before submission to make sure they don’t contain unintended AI patterns. The AI checker highlights the exact sentences, helping students make the required adjustments before submission.

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For Educators

Teachers and professors evaluate their students' work quickly and accurately. The AI writing detector provides precise AI scores and sentence-level highlights, making grading and feedback more efficient and reliable.

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For Writers

Before delivering any piece, run it through the ChatGPT detector to confirm it meets your client's originality standards. The confidence score and detailed insights give you clear proof of authenticity to show if questions arise.

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For Professionals

Whether it’s a report, proposal, or client brief, the AI detector helps ensure your documents are free from AI traces before they reach stakeholders who may question their authenticity and credibility.

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For Marketers

Evaluate blogs, landing pages, and marketing copies for AI-generated patterns before publishing. An AI text detector helps marketers ensure their content looks natural and original to maintain credibility.

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For Researchers

Review reports, documentation, and summaries for AI traces to prevent doubts about fabricated figures or theories. This helps remove any sections that may indicate hallucinations or inaccuracies.

Trusted by Students at Top Institutions

Users Love Our AI Detector

Our AI checker is loved by academic institutions, marketing agencies, and research teams around the world. Here’s what users have to say about their experience

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This AI content detector saves me considerable time during assignment review. Model-level identification tells me exactly what I am dealing with, and the results are always accurate.
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James

University Professor
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I run every piece of my client's content through this AI detector before delivery. The confidence score gives me something concrete to show clients when originality questions come up
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Emma

Content Strategist
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The hallucination risk detection is what sets this apart. It catches fabricated information that other detectors miss entirely, which matters greatly in research contexts.
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Daniel

Academic Researcher
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The sentence-level breakdown by this AI scanner makes it clear exactly where AI writing appears, which makes it easier for me to grade students’ work and provide feedback.
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Sara

High School Teacher
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I use this ChatGPT checker before submitting any content to clients. The accuracy is consistent, and the process takes just seconds. It gives me confidence that my work reads exactly as intended.
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Lyra

Freelance Writer
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A couple of pages took a hit in the SERPs due to AI-generated content. Now, I check for AI in every piece of content with this tool before publishing, and it has never disappointed in terms of results, speed, or accuracy.
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Marcus

SEO Specialist

Get More Done with SmallAITools Pro

Upgrade to SmallAITools premium to unlock higher word limits, unlimited scans, priority processing, and advanced detection capabilities for high-volume workflows.

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AI Detector FAQs

AI detector analyzes writing patterns, contextual coherence, repetition, predictability, and structural consistency commonly found in content generated by AI models such as ChatGPT, Claude, Gemini, DeepSeek, and Llama. It also detects paraphrased and AI-refined text to determine how much is generated by an AI model and how much is refined by humans.

The AI detector analyzes language patterns in the provided text and highlights sections that appear to be generated by AI. It also provides a confidence score indicating the likelihood of AI-written content. We developed this AI checker with an accuracy rate of up to 99%. For the best accuracy, you should use texts of at least 100 words.

Our AI content checker detects content from GPT-4, GPT-5, Claude, Gemini, DeepSeek, Llama, and other advanced AI models. We regularly update our detection engine as new models emerge.

Yes! Even if you heavily refine your content through Grammarly’s AI suggestions, this AI content detector can efficiently flag sections that seem to be AI-written.

Yes! This AI text detector confirms the human originality of your provided text. If it does not detect AI-generated sections in the text, it will confirm that the content is completely human-written.

Yes! Our AI detector supports multiple languages, so you can accurately detect AI involvement in multilingual content without restriction.

AI-generated content is directly produced by an AI model with minimal human input. On the other hand, AI-refined content starts as human writing but is then improved, restructured, or rewritten using AI assistance. Our AI checker identifies both types separately, so you know exactly what you're dealing with.

The hallucination score highlights sections of AI-generated content that contain false or inaccurate details, such as invented statistics, fake citations, or fabricated facts. This is especially important for researchers, journalists, and professionals, for whom factual accuracy is essential.

This score reflects how closely the text matches statistical patterns associated with AI-generated content. High confidence scores indicate that the passage was created by AI, making it easier to prioritize which sections to review or rewrite.