Suprmind offers a solid alternative to ChatHub with plans starting at $19/month...

https://elliottkykp923.yousher.com/i-write-memos-and-briefs-is-suprmind-built-for-that

Suprmind offers a solid alternative to ChatHub with plans starting at $19/month for Spark and $45/month for Pro. It stands out with six distinct modes, a Decision Validation Engine to check your work, and a Red Team feature for rigorous testing