Question: Can you recommend a writing suite that offers collaborative features and flexible AI integration for authors?

If you're looking for a writing suite with collaboration tools and customizable AI, Novelcrafter is a good option. This novel writing toolbox is a full-featured writing environment with tools for outlining, editing, and character development, but it also comes with AI-powered tools to help you along the way. You can set the context and prompt settings with your own models or with third-party services like OpenAI. It has a range of pricing options and a 14-day free trial, so it's good for solo writers and collaborative projects.

Another option worth considering is StoryNest.ai, which is geared for storytellers to craft compelling stories with AI tools. It offers character generation, world-building and collaborative writing tools for writing novels, interactive fiction and other types of stories. The service can handle different formats and offers voice narration and story analytics, so it's a good option for collaborative writing.

If you're looking for a tool with a heavy emphasis on coauthoring and maintaining a writing voice, Reword is a good option. It offers a personalized writing assistant trained on your writing style, as well as Cowriter for coauthoring, Voices for maintaining a consistent tone and SEO Optimization for better search engine performance. It works in multiple languages and integrates with content management systems, so it's a good option for collaborative projects.

Last, Narrato marries AI tools with content creation tools to try to make writing easier. It's got an AI Content Assistant, content workflow automation and collaboration tools like task assignment and inline commenting. It's geared for content marketers and writers, and it's designed to help you create content that performs better, so it's a good option for collaborative teams.