A few years ago? Probably catastrophic, he was Chief Scientist after all.
Now? Probably not too much, they have enough investment, and additionally talented people wanting to join. I mean, Andrej Karpathy also joined and left OpenAI twice and it didn't impact operations much.
I think OpenAI is now where Google was at or just before its IPO, a few key players leaving isn't going to impact them as much as it would have in its earlier founding days, and there is plenty of talent who are ready to jump in to fill the shoes of anyone who leaves.
That may be true in term of engineering, but I think everyone had switched to google as their search engine by then. I am not sure openai has captured the market quite in the same way, as I think people are still mostly experimenting with AI, the integration time in any large company is much slower than the rate of progress of AI. And it's not clear to me that there is much of a vendor lockin to use the openai API vs an equivalent competitor.
Now? Probably not too much, they have enough investment, and additionally talented people wanting to join. I mean, Andrej Karpathy also joined and left OpenAI twice and it didn't impact operations much.
I think OpenAI is now where Google was at or just before its IPO, a few key players leaving isn't going to impact them as much as it would have in its earlier founding days, and there is plenty of talent who are ready to jump in to fill the shoes of anyone who leaves.