Hassan Rouhani says Iran and the six-nation group the five permanent members of the UN Security Council plus Germany have come a long way in sorting out major issues but that they still differ over issues such as "quantity."
Rouhani did not elaborate. He spoke with lawmakers on Tuesday night, according to the Iranian state television.
The two sides face a Nov 24 deadline to reach a comprehensive deal. The nuclear talks reportedly remain stuck over the size and output of Iran uranium enrichment program, a possible pathway to nuclear arms.