A reinforced poly(phthalamide) composition, comprising 20-80 weight percent of a poly(phthalamide) component comprising 15-55 weight percent of a crystalline poly(phthalamide), and 5-45 weight percent of an amorphous poly(phthalamide); 0.5-60 weight percent of a reinforcing filler; and 0.1-50 weight percent of an additive composition; wherein the crystalline poly(phthalamide) comprises 55 mole percent of units of formula (Ia) wherein Q 1 is 1,6-hexylene; 45 mole percent of units of formula wherein Q 2 is 1,6-hexylene and Q 3 is 1,4-butylene; and wherein the amorphous poly(phthalamide) comprises 50 mole percent of units of the formula wherein Q 4 is 2-methylpentylene; and 50 mole percent of units of the formula wherein Q 5 is 2-methylpentylene, wherein: the weight percent is based on the total weight of the reinforced poly(phthalamide) composition and totals 100; and the reinforced poly(phthalamide) composition has a capillary melt viscosity, measured according to ASTM D3835 at 320 °C, at 5000 s -1, that is at least 10% lower than that of the same reinforced poly(phthalamide) composition without the amorphous poly(phthalamide), and a warpage that is at least 15% lower than that of the same reinforced poly(phthalamide) composition without the amorphous poly(phthalamide). 20-80 weight percent of a poly(phthalamide) component comprising 15-55 weight percent of a crystalline poly(phthalamide), and 5-45 weight percent of an amorphous poly(phthalamide); 15-55 weight percent of a crystalline poly(phthalamide), and 5-45 weight percent of an amorphous poly(phthalamide); 0.5-60 weight percent of a reinforcing filler; and 0.1-50 weight percent of an additive composition; wherein the crystalline poly(phthalamide) comprises 55 mole percent of units of formula (Ia) wherein Q 1 is 1,6-hexylene; 45 mole percent of units of formula wherein Q 2 is 1,6-hexylene and Q 3 is 1,4-butylene; and 55 mole percent of units of formula (Ia) wherein Q 1 is 1,6-hexylene; 45 mole percent of units of formula wherein Q 2 is 1,6-hexylene and Q 3 is 1,4-butylene; and wherein the amorphous poly(phthalamide) comprises 50 mole percent of units of the formula wherein Q 4 is 2-methylpentylene; and 50 mole percent of units of the formula wherein Q 5 is 2-methylpentylene, 50 mole percent of units of the formula wherein Q 4 is 2-methylpentylene; and 50 mole percent of units of the formula wherein Q 5 is 2-methylpentylene, wherein: the weight percent is based on the total weight of the reinforced poly(phthalamide) composition and totals 100; and the reinforced poly(phthalamide) composition has a capillary melt viscosity, measured according to ASTM D3835 at 320 °C, at 5000 s -1, that is at least 10% lower than that of the same reinforced poly(phthalamide) composition without the amorphous poly(phthalamide), and a warpage that is at least 15% lower than that of the same reinforced poly(phthalamide) composition without the amorphous poly(phthalamide). the weight percent is based on the total weight of the reinforced poly(phthalamide) composition and totals 100; and the reinforced poly(phthalamide) composition has a capillary melt viscosity, measured according to ASTM D3835 at 320 °C, at 5000 s -1, that is at least 10% lower than that of the same reinforced poly(phthalamide) composition without the amorphous poly(phthalamide), and a warpage that is at least 15% lower than that of the same reinforced poly(phthalamide) composition without the amorphous poly(phthalamide). a capillary melt viscosity, measured according to ASTM D3835 at 320 °C, at 5000 s -1, that is at least 10% lower than that of the same reinforced poly(phthalamide) composition without the amorphous poly(phthalamide), and a warpage that is at least 15% lower than that of the same reinforced poly(phthalamide) composition without the amorphous poly(phthalamide).