"In all of our interactions, the DoW displayed a deep respect for safety and a desire to partner to achieve the best possible outcome," Altman said in a post on X.

The deal comes as rival Anthropic is locked in a more contentious standoff with U.S. defense officials.

"In all of our interactions, the DoW displayed a deep respect for safety and a desire to partner to achieve the best possible outcome," Altman said in a post on X.