Mostly in line with what others have said: my impression was that suggested topics are of limited use most of the time. E.g. right now, what I see as suggested for this topic is
That hardly seems related to the topic at hand at all.
Related topics, on the other hand, have often brought up discussion that actually seemed related, and sometimes appeared to be interesting enough to actually check them. E.g. right now I get
I’m a bit surprised about the ordering (I would have expected the last item to appear further up, because it’s frequently accessed), but overall it does not seem so bad.
Among the various AI features that Discourse offers, related topics is actually one of the two (the other is AI-based SPAM classification) I would be willing to turn on, if we ever get to the point, where we get affordable vGPUs or vNPUs and self-hosting the LLM becomes an option.