According to:
http://cronologia.leonardo.it/storia/aa1688a.htm
11.000 Infantry, 5.000 Cavalry, 18 guns for the Savoyan army.
Others sources:
11-12.000 Infantry, 5.000-7.000 Cavalry, 12 guns, a total of 18.000 men for the Savoyan army.
Victor Amadeo is said to have lost 11 of his 12 guns.
7.000 Infantry and 5.000 Cavalry for the French.
Next source:
http://notizie.comuni-italiani.it/foto/44586
Savoy: 12.000 Infantry, 5.000 Cavalry, 16 guns.
French: 15.000 Infantry, 4.500 Cavalry, 12 guns.