The Gunners found themselves 2-0 down in the game to their North London rivals.
However, they put in an impressive second half display to draw 2-2.
Speaking about the game to reporters, Leno had the following to say about Arsenal's performance in the match.
"We showed that we can play better than them," said the German keeper.
"To be honest, in the first half you saw the quality of Tottenham so it will a very hard fight until the end of the season - then we will see who will be better."