Another powerful option is the AI Chat PowerBrain Assistant & AI Chatbot. This chatbot, based on the ChatGPT and GPT-4 language models, offers immediate answers, automates tasks and offers more sophisticated natural language processing. It supports multiple languages, has an AI writer, and offers a free plan for limited use, so it's good for personal and professional use.
If you're a fiction writer, Sudowrite is worth a look. It uses large language models to generate ideas, create outlines, write drafts and edit your work, and it's got features like customizable dark modes and project management tools. Sudowrite is geared to help fiction authors be more creative and productive.
Last, Wordtune offers an AI writing assistant designed to help you be more productive on a variety of writing projects. It's got features like Rewrite designed to suggest improvements without changing your writing's voice, an AI Writing Assistant that can generate text to a specific prompt, and a Summarizer to condense content. Wordtune is available as a desktop, mobile and web app and can be integrated with tools like Google Calendar and Slack.