Sources: OpenAI owned a 23% stake in io from a 2024 deal so is now paying ~$5B to fully acquire it; separately, OpenAI’s Start-up Fund invested in io last year (New York Times)

New York Times:
Sources: OpenAI owned a 23% stake in io from a 2024 deal so is now paying ~$5B to fully acquire it; separately, OpenAI's Start-up Fund invested in io last year  —  Jony Ive, a former top executive at Apple, said that the goal with OpenAI was to create “amazing products that elevate humanity.”