I bought a cx frame, then built it up as a road bike. Plan was it’ll last for ever (was a closeout Ti airborne) and not rattle to bits on the crap roads round here (everywhere ?). Also has space for mudguards etc if I ever restart commuting
It feels nice & light to me but not compared to a proper road frame or even a roubaix I suppose. I’ll “never” ride it off-road.
I like it and a couple of mates have tried it & think it’s comfier on rough surfaces than their road bikes. TBH, I might do it differently next time – if, say, it got nicked. Other than that, I’mm keeping it for aaages.