novelai is genuinely fun and also completely useless for what i need

I want to be clear that I actually like novelai, the vibes are unmatched. The way it leans into genre and tone is something i haven't found anywhere else and for just exploring ideas and having fun with a story it's honestly perfect.

but i'm trying to write an actual novel, (around 90k words and complex cast) lore i've been building for three years and novelai just falls apart when the project gets that big. It forgets things. it contradicts things I established 20 chapters ago, it goes off in directions that break my plot in ways i don't catch until way later

I don't want to leave it entirely but i think i need something else for the serious work. What are y'all using when the project gets too big and complicated f