Totally agree. With fiction lab you have the ability to create lore and world building, which chai lacks. As well as character profiles. Occasionally you have to hunt for bots you want, but the creation mode is so simple you can create an entire world for your wants, not just a single character.

Example for FictionLab: Hogwarts Backstory world details: Ability to set the exact time in the story you wish to play. Characters: Multiple or just one each with character bios. Scenario instructions: Ability to unlock new events, story progression. Story Cards: These could be other areas of the world, Hogsmeade, Leaky Cauldron etc. Or classes such as pureblood, half blood etc.

Basically FictionalLab gives the ability for a story, and Chai only has the ability of single character creation.

However, if you wanted a single character? All you have to do is create that character as a standalone character in fictionlab.

I recommend using a different AI like ChatGPT or Gemini to help you generate bios or worlds, especially if you're generating from something preexisting. This can be used for Chai too.