No way. 768GB of ram will have significant power draw. DDR4 (which this probably is) is something like 3W/8GB. That's > 250W alone.
So, say 500W. That's, for me in my expensive electricity city, $40/million tokens, with the pretty severe rate limit of 5600 tokens/hours.
If you're in Texas, that would be closer to $10/million tokens! Now you're at the same price as GPT-4o.