If you're looking for a NovelistAI alternative, NovelAI is a good option. It's got AI tools for writing literature without censorship, and its natural language processing technology is designed to write stories in your style. NovelAI has a range of tools, including text adventure modules for interactive fiction, customizable editors and the ability to generate character illustrations. It's got a tiered pricing system, including a free trial option.
Another option is StoryNest.ai, which is geared for writers who want to craft compelling stories in a variety of formats, including interactive fiction and screenplays. The service offers AI-boosted editing, world-building tools and even voice narration, which makes it good for collaborative storytelling. It's multiformat, too, so writers can try different styles and genres.
Sudowrite is an AI writing assistant designed to help you get past writer's block. It uses large language models like GPT-3 and GPT-4 to help with idea generation, outlining, writing and editing. Sudowrite has customizable dark modes and project management tools to help you get creative and productive as a fiction author. It offers free trials and a variety of pricing tiers.