OpenAI provided GPT-5.5 to US for national security testing, executive said

May 5, 2026 2:34 PM EDT

OpenAI logo is seen in this illustration taken, March 11, 2024. REUTERS/Dado Ruvic/Illustration

WASHINGTON, ‌May ​5 (Reuters) - ​OpenAI ‌gave ⁠the ‌U.S. government ‌early access ​to ⁠its GPT-5.5 ​model for national ​security ‌testing, said ⁠OpenAI ⁠executive ​Chris Lehane in ‌a ‌LinkedIn ⁠post.

(Reporting ‌by ​Courtney ‌Rozen)



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