This handout photograph taken on December 18, 2021 and released by the Ministry of Foreign Affairs of Pakistan shows Pakistan s Foreign Minister Shah Mahmood Qureshi (L) shaking hands with Afghanistan s Taliban Foreign Minister Amir Khan Muttaqi before their meeting in Islamabad. (Photo by Ministry of Foreign Affairs of Pakistan / AFP)
The meeting of the Organisation of Islamic Cooperation is the biggest major conference on Afghanistan since the US-backed government fell in August.
After the Taliban's lightning return to power, billions of dollars in aid and assets were frozen by the international community, and the nation of 38 million now faces a bitter winter.
The United Nations has repeatedly warned that Afghanistan is on the brink of the world's worst humanitarian emergency with a combined food, fuel and cash crisis.
On Sunday, Pakistan's capital was on lockdown, ring-fenced with barbed wire barriers and shipping-container roadblocks where police and soldiers stood guard.
Any aid pledges were set to be announced Sunday evening.
Taliban foreign minister Amir Khan Muttaqi is among the delegates, alongside others from the United States, China, Russia, the European Union and the United Nations.
Pakistani officials said 70 delegations were taking part.
No nations have yet formally recognised the Taliban government and diplomats face the delicate task of channelling aid to the stricken Afghan economy without also propping up the hardline Islamists.
Pakistani Foreign Minister Shah Mahmood Qureshi said the meeting would speak "for the people of Afghanistan" rather than "a particular group".
Pakistan, Saudi Arabia and the United Arab Emirates were the only three countries to recognise the previous Taliban government of 1996 to 2001.
Qureshi said there was a difference between "recognition and engagement" with the new order in Kabul.
"Let us nudge them through persuasion, through incentives, to move in the right direction," he told reporters ahead of the OIC meeting.
"A policy of coercion and intimidation did not work. If it had worked, we wouldn't have been in this situation."