Another good option is DocsBot, which uses ChatGPT to create chatbots based on the documentation and other content you supply. It can be used for embeddable widgets, automated support ticket responses, interactive Q&A bots and custom copywriting. You can import content from a variety of sources and link to Zapier for connections to thousands of other apps.
For a more advanced option, check out SiteGPT. This AI chatbot can be trained with data from your website, files or raw text content. It works in more than 95 languages and can be embedded on multiple sites, including marketing pages and help centers. Features include quick prompts, chat history, escalation to human agents, lead generation and native integration with tools like Crisp, Intercom and Zendesk.