Yes, given that we built Ask Discourse for general purpose Discourse troubleshooting, we changed the model to an open weights one hosted by us that can deliver faster answers while grounded to our documentation at Meta.
Ask wasn’t built with development in mind, for those I recommend using a purpose built harness, with local access to the full development environment, to properly ground and do Discourse work. We use all the popular coding harnesses and even provide a nice way to get started with Using dv (Discourse Vibe) .