“I think that we can talk about a clear improvement in at least my dialogue with the Iranian government,” TASS quoted him as saying.
Grossi also expressed hope to "see results" soon.
In addition, he confirmed Iran's readiness to install cameras and other equipment for monitoring nuclear facilities.
Earlier, Grossi held talks in Tehran with Iranian Foreign Minister Hossein Amir Abdollahian.
In addition, Iranian President Ibrahim Raisi called for the need for an independent operation of the IAEA.