From their site:
OpenAI is a non-profit artificial intelligence research company. Our goal is to advance digital intelligence in the way that is most likely to benefit humanity as a whole, unconstrained by a need to generate financial return.
The money quote is at the end, literally—$1B in committed funding from some of the usual suspects.
My first thought was: "the way to avoid bad outcomes from bioweapons is to give everyone equal access to bioweapons. Oh, wait..." (Not entirely fair, I know.)
Still, since I heard of this, my quarterly donation to MIRI increased by 5% of my income.