The brief, filed in Manhattan federal court on Tuesday, appears to be the first time the U.S. government has weighed in on a wave of cases brought by copyright owners including authors, publishers, music labels and news outlets over AI training. A brief has advisory rather than legal weight but could bolster tech companies as they fight the claims.

Letting models train on copyrighted work will preserve ‘American prosperity,’ it says.

The Trump administration filed a statement of interest backing OpenAI's fair use defense in the NYT copyright lawsuit, citing national security