Well, very broadly speaking I’d say hyperpop? Though Gecs’ second album is “relatively” more conventional.

See also

Charli XCX - how I’m feeling now. Claws was produced by Dylan Brady of 100 Gecs

Food House - Thos Moser

A lot of music has taken on that kind of sound as an influence though.

Oh and how could I forget SOPHIE.

Edit: here the RYM page.