Microsoft might be all-in on OpenAI now, but back in 2018 thought it was just 'motivated by a need to show how Al can crush humans'

Remember when OpenAI created a bot that could beat humans at Dota 2? As PCG reported last week, that was because Elon Musk had personally called Microsoft CEO Satya Nadella to secure a massive discount on access to Azure, the company's cloud computing platform. Now a new document released thanks to the ongoing Musk vs Altman legal spat has revealed just how big that discount was: and how nervy Microsoft execs were about the whole deal, and OpenAI generally.

Our story begins after OpenAI had succeeded in its Dota 2 mission, with Nadella emailing Sam Altman on 11 August 2017: "Just wanted to pass on my Congrats on the win today!" A few weeks later Altman emails Nadella, saying:

"Would you be up for a big partnership on the next phase...