Glass tables suit rooms that already have plenty of texture going on, wood floors, a patterned rug, upholstered chairs, somewhere the eye needs a place to rest. They suit small spaces too, a studio or a tight dining nook where a solid wood top would make the whole room feel like it starts at the table and ends at the wall. If your room is already pale and modern and a bit bare, think twice, you may end up with something that looks less like furniture and more like an architect's model of furniture.
The honest limits are worth saying up front. Glass shows everything, every water ring, every fingerprint, every crumb from a kid's snack that you swear you wiped up. It is cold to the touch in a way wood never is, which matters more than people expect in a room that doesn't get much sun. And it is unforgiving if you live with a toddler who treats furniture as a climbing frame or a dog with an enthusiastic tail, a sharp edge of glass at knee height is not nothing. If your household is heavy on chaos, this is probably not your table.
Getting the scale right matters more here than with almost any other table, because glass does not visually fill a room the way a solid top does, it just sort of floats there, so you need the footprint to be doing real work on its own. Measure your space and leave at least three feet of clearance on all sides for chairs to pull out and people to walk past without turning sideways, and resist the urge to size down just because it is see through, a glass table that is too small for the room looks lost rather than light. Go for the size you would choose in wood, not smaller, the transparency does the shrinking for you. The common mistake is pairing a glass top with a heavy, dark base and ending up with something that reads as bulky anyway, so look at the base and legs as the real visual weight in the room, that is where the character lives.
These work well in dining rooms and living rooms that lean contemporary, in small apartments where you need the room to breathe, and in sunnier climates where the coolness of the material feels like relief rather than a draft. They do less for a farmhouse kitchen or a room full of worn wood and quilts, where it can look like it wandered in from somewhere else entirely.
A good one, in the right room, with the right amount of air around it, looks like it was always meant to be there.