The Free AI Content Detector Tool offered by SEO.ai allows users to test text generated by ChatGPT, GPT-3.5, GPT-4, or Bard to determine if it was AI-generated. The tool employs four distinct AI-detection models to analyze the text and provide a probability score. A score closer to 1% suggests human-made content, while a score nearing 100% indicates a high probability of being AI-generated. The tool has a limit of checking up to 25,000 characters of text.The accuracy of AI Content Detectors depends on the quality of their algorithms and training data used. Although they can be highly accurate, false positives or negatives may still occur. Regular updates and fine-tuning can help improve accuracy over time. Combining multiple detection algorithms has been shown to increase accuracy.The tool supports English language content detection. If the score provided seems inaccurate, it is likely because the tool currently only supports English.AI Content Detectors utilize machine learning algorithms and natural language processing techniques to analyze and classify content. They can detect patterns, specific elements, and categorize content based on predefined categories or custom criteria.The terms "prediction," "entropy," "correlation," and "perplexity" are relevant to the evaluation and optimization of AI content detection. Prediction involves estimating the classification or categorization of content. Entropy measures uncertainty or randomness, while correlation assesses the association between different features. Perplexity is a metric used to evaluate the performance of language models in predicting sequences of words or characters.SEO.ai also provides articles and a FAQ section related to AI content detection, Google rankings, and AI-generated content.