How does OpenAI make profit?

Could you please elaborate on how OpenAI, a renowned artificial intelligence research laboratory, generates revenue and sustains its operations? Are there any specific products, services, or partnerships that contribute significantly to their profitability? Additionally, does OpenAI rely on grants, donations, or other non-traditional sources of funding to supplement their income? Understanding their revenue streams is crucial in assessing their long-term sustainability and potential impact on the AI industry.