Well... if you want to route more then say 50-100 megabits... then the pi won't suffice.
OpenWRT on many simple platforms will do a couple of hundred megabits, and on something like the edgerouter-x or routerboard 750gv3 will do about 800-900 megabits.
OpenWRT on many simple platforms will do a couple of hundred megabits, and on something like the edgerouter-x or routerboard 750gv3 will do about 800-900 megabits.