Still, a separate reading on the labor market showed weekly initial jobless claims came in at 205,000, below expectations of 215,000.
Many market participants are looking for signs of weakness in the labor market as a key sign of slowing inflation.
On Wall Street, equities were choppy after the data, with the S&P 500 falling as much as 0.8% before rebounding.
"The fact that we have seen core inflation decelerate to 5.7% year-over-year, from 6% in November, reinforces the peak inflation argument."
Crude prices rose in the wake of the data, getting an additional boost from optimism over China's emergence from its COVID-19 restrictions creating additional demand.