The reviews broke right along partisan lines.
"This report confirms that the American Health Care Act will lower premiums and improve access to quality, affordable care," said House Speaker Paul Ryan, who noted that the plan would "provide massive tax relief" and "dramatically reduce the deficit."
That assessment was swiftly echoed by other GOP lawmakers.
On the numbers related to the deficit and the cost of the program, here is what the CBO found:
As for Democrats, they focused on a different set of numbers, how many people would have insurance coverage as compared to the current system under the Obama health law.
Here is what the CBO found:
Democrats said that showed the GOP plan was fatally flawed.
"Donald Trump called for 'insurance for all,' said Sen. Tom Udall (D-NM). "This bill breaks that promise."
Down at the White House, Trump Administration officials immediately pushed back against the CBO report.
"It's just not believable, the numbers would suggest," said Health and Human Services Secretary Tom Price.