AI writing tools are software applications that use artificial intelligence to generate text based on a given topic, prompt, or keyword. They can help you write faster, better, and more creatively. Some examples of AI writing tools are OpenAI's GPT-3, Google's Smart Compose, and Microsoft's Bing.

These tools use natural language processing and deep learning to analyze large amounts of text data and produce coherent and relevant content. They can also learn from your writing style and preferences and adapt to your needs. You can use them for various purposes, such as blogging, copywriting, content marketing, academic writing, and even fiction writing.