OpenAI Foundation — Website: https://openaifoundation.org

Note: The source is an announcement from OpenAI about the OpenAI Foundation's mission and initiatives, but it does not state what the Foundation's website URL is. While the source discusses the Foundation extensively, it does not provide or confirm the specific website address claimed (https://openaifoundation.org). To verify this claim, one would need a source that explicitly states the Foundation's website URL, such as a page that lists contact information or a direct reference to the website address.