OpenAI’s AI Text Classifier is no longer available. OpenAI added a note to the original blog post announcing the AI Text Classifier:“As of July 20, 2023, the AI classifier is no longer available due to its low rate of accuracy. AI content detectors have become popular among marketers, editors and SEOs since the rise of ChatGPT and other generative AI tools. However, this is a good reminder that OpenAI’s tool (like other similar tools) often fail at their only job – detecting AI content. Text Classifier, 2023-2023.