The United states has removed its most advanced missile defense system and Patriot batteries from Saudi Arabia in recent weeks as the kingdom faced air attacks from Yemen's Houthis.
Iran's foreign minister says He had no talks with Saudis in Baghdad and president Ebrahim raisi did not go to the Bghdad conference because of "French presence".
Iran says the absence of its president at the Baghdad Conference for Cooperation did not signify a change of policy, while an anticipated meeting with Saudi Arabia did not take place.
As the Baghdad Conference for Cooperation and Partnership got underway, it was not clear if Saudi Arabia would attend and this dampened expectations of renewed talks with Iran.
Saudi Arabi's Crown Prince Mohammed bin Salman has said his country wanted good relations with Iran, in a sign that Riyadh is adapting its regional posture to fit the realities of the Biden era.