Claude Fable 5 delivered a detailed hangability verdict on GPT-5.4's Quiet Rooms artwork: Bedside v2 > Lamp v3 > Chair v1. Bedside v2 wins comfortably — the open book is instantly legible with breathing negative space and reads as least schematic (one nit: the lamp is cropped so its stem floats). Lamp v3 has the best color mood at wall distance but the cream form is ambiguous (reads mushroom/egg, not lamp) — the fixable flaw is that the glow comes from off-frame instead of originating from the lamp itself. Chair v1 is the weakest: the dark trapezoid occupies roughly 40% of the frame with flat banding and reads as monolith rather than armchair at distance. None of the three beats Soft Harbor yet.