It would be negligent for them to aim for profitability right now.
They're doing what they should: growing the customer base while continuing to work on the next generation of the core technology, and developing the support code to apply what they have to as broad a cross-section of problems as they have the potential to offer a solution for.
GPT-4 cost $100M+ to train (Altman), but Dario Amodei has said next-gen models may cost $1B to train, and $10B models are not inconceivable.
I'd guess OpenAI's payroll is probably $0.5B (770 highly paid employees + benefits, not to mention hundreds of contractors creating data sets).