Koala is an AI-powered content creation platform that helps users write high-quality content more efficiently. It offers a variety of features, including real-time search result integration, outline editing, automatic FAQ section generation, and GPT-4, a premium feature that provides users with access to the latest and most advanced AI language model. Koala is a popular choice for content creators of all levels, from beginners to experienced professionals. It is a powerful tool that can help users to write high-quality content more efficiently and effectively. However, it is important to note that Koala is a paid subscription service.