OpenAI — Country: United States

NoteThe source is the official Wikidata page for OpenAI (Q21708200). Under the 'country' property in the Statements section, it explicitly lists 'United States' with 0 references. This directly confirms the claim that OpenAI's country is the United States. The source also corroborates this through other details: legal form is 'Delaware corporation' (a US state), location of formation is 'San Francisco' (US), and headquarters location is 'San Francisco' (US).