The relationship between Elon Musk and Sam Altman progressed from an initial friendship to a bitter rivalry. Here's why.

Elon Musk's bid to purchase OpenAI's non-profit arm for $97.4 billion was publicly rejected by CEO Sam Altman, who countered by offering to buy Twitter instead. This internal conflict highlighted Altman's significant role in the AI field and his complex relationship with Musk.

In an interview with Bloomberg, Altman says OpenAI is “not for sale” and the bid is the latest of “tactics, many, many lawsuits, all sorts of other crazy stuff, now this” for the “competitor” Musk to “slow us down.