Lucid Book vs Sudowrite

Lucid Book is a browser-based AI story-play platform built around playable books. You can prepare a story in advance or begin with one character and add others as the story develops. During play, controls let you alter weather, time, genre, mood, and locations. Character profiles can define roles, personalities, behavior, interests, and relationships, and you can build worlds with detailed locations and connect characters to places through roles. The site says its AI uses book-scale context to retain story details and keep characters and events consistent. Books can be shared by link or published in a community library, and editing can be locked. Stories can be played in any language. Lucid Book adapts to PC, tablet, and mobile screens, and can be installed as a Progressive Web App. It is labeled beta and currently free; the FAQ says users can start by making a first playable book. The Privacy & Cookies Policy page says the policy document could not be loaded, leaving the available privacy information limited.

Sudowrite has no write-up on Specifiction yet; its figures are above.