He explained to liverpoolfc.tv: "Pepe is a 'keeper in a top side, so he has less to do. If he played for a lesser team he would be fantastic because he'd be involved all the time. He is a very good goalkeeper.
Benitez also had a dig at critics that have highlighted Reina's mistakes this season.
"It's something that you know is normal in football. People just talk about one or two mistakes and not the performance of the team during the year," he said.