Born in Paris, Gianoli studied with Lazare Lévy, Alfred Cortot, Yves Nat and Edwin Fischer.
Throughout her career, she performed with the greatest orchestras and conductors, including Paul Paray, Felix Weingartner, Hermann Scherchen, Louis Auriacombe, Milan Horvat and Georges Sebastian.
She played numerous times in the Strasbourg and Lucerne Festival musical seasons, sharing the stage with Pablo Casals, Pierre Fournier, Georges Enesco and Edwin Fischer.
At both conservatories, she trained many musicians, such as André Boucourechliev, Maud Garbarini, Pierrette Mouledous, Géry Moutier, Catherine Joly and Jean-Yves Thibaudet.
Gianoli made numerous recordings for the Westminster, BAM and Ades firms.