Effect of the Inflation Reduction Act on the federal deficit (this is based on the old CBO score. CBO hasn't scored the recent changes).
Note: this includes the CBO's estimated revenue from enhancement of IRS resources.
It is estimated it will decrease the 2023 deficit by about $20 billion from baseline.
The CBO estimates the effect on 2023 inflation though is +/- 0.1% and negligible for 2022. The health insurance subsidies will boost inflationary pressure. The alternative minimum tax for corporations will reduce inflationary pressure.
Here's the CBO table. The CBO doesn't include the IRS enhancement in the total revenues due to budgetary scoring rules, but you can add them yourself: