Pika is a custom ChatGPT AI tool that allows you to turn your knowledge base into a chatbot for your website. It is powered by GPT4 and offers unique features such as AI-powered natural language searching, the ability to highlight areas where information may be missing, and the capability to create and embed custom AI assistants. Pika enables you to create internal chats, shareable chats, and chatbots using your own content. You can upload PDF files or URLs for your AI chatbot to learn from and answer questions about your product. The tool also provides customization options for the chatbot"s profile picture, color, greeting message, and response length. Pika is compatible with popular websites and offers flexible pricing plans with a 7-day money-back guarantee. Its potential applications include guiding readers to relevant content, answering questions, and providing support.