The relationship has soured, and the Taliban has launched more attacks in Pakistan, and some leaders are seeking to establish ties with India.
Pakistan's military has also launched a crackdown on Imran Khan's political party.
The Taliban has accused Pakistan of not recognizing its regime, and some fighters have joined the TTP to pursue another holy war.
The TTP carried out the most militant attacks on Pakistani soil last year since 2018, and the group killed at least 100 people in a suicide bombing in Peshawar in January.
Some key Taliban members want the group to distance itself from Pakistan and show its independence.
The Taliban has a split stance within their leadership, with some leaders taking a more moderate position while others take a more radical stance.
The leader of the Haqqani faction, Sirajuddin Haqqani, brokered a ceasefire between Pakistan and the TTP in an attempt to secure a lasting peace, but it only lasted for six months.
Some TTP fighters are using weapons left behind by the US, including M-16s and sniper rifles with night vision goggles.
Hundreds of TTP fighters who were released from a Kabul prison by the Taliban have returned to fight in Pakistan.
The Taliban is upset that Pakistan hasn't recognized their regime, but doing so would be difficult given the sanctions on the Taliban and Pakistan's need for IMF approval.
The US withdrawal from Afghanistan
has given impetus to TTP activities, and 239 people, including 137 army officers and soldiers, have been killed in insurgent attacks this year.
Some US lawmakers have sought to remove Pakistan's major non-NATO ally status due to its support for the Taliban.
Meanwhile, Pakistan faces several other major issues, including political tensions, inflation, and negotiations with the IMF.
The now-retired head of the ISI expressed confidence in Kabul's Serena Hotel, but the situation is complicated by the split stance within the Taliban and the country's other issues.
The article discusses the relationship between Pakistan and the Taliban.
Pakistan provided the Taliban with a wartime sanctuary, but once the Taliban no longer needed this support, it asserted its independence from Pakistan and refused to do its bidding.
This caused a strain in the relationship between Pakistan and the Taliban.
The article was published on NDTV, which is a news and media company based in India.