President Biden fielded questions about foreign policy and his age and fitness for office during a high-stakes news conference on Thursday in which he made clear that he had no intention of leaving the race.

The nearly hourlong appearance, coming at the end of the North Atlantic Treaty Organization summit in Washington, was his first solo news conference in eight months. Under a dozen reporters pressed him on his candidacy, China and the conflict in Gaza, among other topics.

Here’s a fact check of some of his remarks.

What Was Said

“He’s already told Putin — and I quote — do whatever the hell you want.”

This needs context. Mr. Biden leaves out a crucial caveat in characterizing the remarks of his Republican rival, former President Donald J. Trump.

Mr. Trump, in a campaign rally in February, repeated his misleading claim that some members of the North Atlantic Treaty Organization “owed” money to the alliance, referring to informal commitments made by member nations to spend 2 percent of gross domestic product on their own militaries.

In Mr. Trump’s telling, after he had delivered a speech urging members to “pay out,” the president of “one of the big countries” asked whether the United States would come to its defense if President Vladimir V. Putin of Russia invaded, but it had failed to meet that 2 percent target.