He predicted that with 10 gigawatts of computing power, AI could solve some of the world's biggest problems.
OpenAI aims to build a factory capable of producing a gigawatt of new AI infrastructure every week, though this is expected to take years.
Altman's comments follow OpenAI's recent landmark AI infrastructure deal with Nvidia.
Nvidia CEO Jensen Huang described the partnership as the 'biggest AI infrastructure project in history', with the first data centers expected online in the second half of next year.