Investigators say evidence points to 'Islamist motives' for an attack on a police station that left three officers wounded and the assailant shot dead.
The operation in the Kidal region, which cost the life of one French soldier, weakened terrorist networks in north of the country, says army.
The four, aged between 22 and 35, were arrested in the Paris suburb of Vitry-sur-Seine following an investigation that started in mid-2012.
French President Francois Hollande has said his country's forces are engaged in the "final phase" of the fight against militants in northern Mali.
French police investigating 12 men in connection with a suspected Islamist terrorist gang have found bomb-making materials in a garage near Paris.