Not agreeing with the parent, but that hardly matters. Google has a real business, advertising, that brings in $400 billion a year and income around $150B. They can afford to throw away tens of billions every year while still remaining immensely profitable and quite solid as a business. OpenAI has no such income to spend so it's as the above comments reflect, entirely unsustainable while Google's spending on AI is a drop in the bucket for them.

That's not saying that Gemini is profitable though.

Gemini now is on the top of search results