The 21-year-old joined Spurs in January on an 18-month loan deal, but has been used sparingly by Jose Mourinho
Gedson made only seven Premier League appearances after arriving in London, all of them as a late substitute.
He has yet to appear in England’s top flight this season and was also left out of Spurs’ Europa League squad.
Spurs have an option to buy Gedson for €50m, which they almost certainly will not use.
And Benfica are considering recalling Gedson, news which president Luís Filipe Vieira confirmed during the Trio d’Ataque show on RTP3.
Gedson made 53 appearances for Benfica’s first team before moving to England after rising through the youth system.