The 20-year-old signed a long-term deal with the Reds on Saturday after completing a £7m switch to the 18-time English champions from La Liga outfit Sevilla.
Alberto proved to be both a prolific finisher and an architect of goals for Barcelona B last term, netting 11 times and making 17 assists during a season-long loan spell.
And Rodgers compared Alberto to his January transfer window signing, Coutinho, who made an instant impact at Liverpool following his £8.5m switch from Inter Milan.
“He’s another Coutinho-type,” Rodgers told talkSPORT.
“We brought in young Philippe Coutinho in January when he was 20 years of age but he had good experience and more importantly fitted the profile of what we’re trying to do here and what we’re trying to build.
“Young Luis is exactly the same – a talented, very highly-rated young player when he was at Sevilla, but obviously spent last season at Barcelona B.
“He’s a big talent and one for now that can play. He’s got competitive games behind him and is one we see progressing over the next few years.
“Importantly, he knows the type of game and model we’re trying to work in.”