In the title compound, C28H22ClFN6O2, the piperazine ring adopts a chair conformation and the least-squares plane through the four coplanar atoms forms dihedral angles of 69.37 (13) and 56.56 (12)°, respectively, with the pyrazole and cyanophenyl rings. The dihedral angles formed between the pyrazole and the attached fluoro- and chlorophenyl rings are 34.16 (10) and 73.27 (12)°, respectively. In the crystal, intermolecular N—H⋯O, C—H⋯N and C—H⋯O hydrogen bonds link the molecules into sheets parallel to the ac plane.