Suprmind is a solid alternative to ChatHub, starting at $19 per month for the...

https://noon-wiki.win/index.php/ChatHub_vs_Suprmind_for_Product_Managers_Doing_Tradeoff_Decisions

Suprmind is a solid alternative to ChatHub, starting at $19 per month for the Spark plan. It offers six conversation modes, a Decision Validation Engine to double-check responses, and a Red Team feature for spotting issues