If you're looking for an AI-powered creative writing platform, OpenAI has a broad collection of tools. That includes ChatGPT for quick answers and prompts, image generation, and a customizable interface to build your own GPT models. The service also offers more sophisticated data analysis and can be used with other tools, so it's good for individuals and enterprises.
Another good option is Contents.ai, which offers a broader generative AI foundation. That includes AI Chat for brainstorming, AI Writer for content generation, AI Art for creating new imagery, and AI Translation for multilingual support. Contents.ai is geared for marketing teams, e-commerce companies, publishers and web agencies, with several pricing levels and a free trial period.
If you want to focus on writing, NovelAI is geared for authors and other storytellers. It uses natural language processing to help you write fiction while leaving room for your own creativity. NovelAI offers features like character visualization, text adventure modules and customizable editing tools, so it can handle different writing styles and needs.
If you want a general-purpose writing assistant, HyperWrite could be a good option. It includes a variety of tools like Summarizer, Rewrite Content, AI Speech Writer and Scholar AI, so it's good for students, freelancers and businesses. HyperWrite also can help you with real-time research and can be integrated with tools you already use.