Given the high risk, investors likely want a shot of earning at least a 10x return. $157 billion x 10 = $1.57 trillion, greater than META's current market capitalization. Greater returns would require even more aggressive assumptions. For example, a 30x return would require OpenAI to become the world's most valuable company by a large margin. All I can say to the investors, with the best of hopes, is: Good luck! You'…
Another issue here is that at this value level they are now required to become a public company and a direct competitor to their largest partners. It will be interesting to see how the competitive landscape changes.