microsoft invested $13B in openai. openai just signed a $50B cloud deal with amazon. microsoft is reportedly considering legal action. zoom out: the AI infrastructure war has officially started. the companies that built their workflows entirely inside one AI provider's ecosystem are watching their dependency become a risk. this isn't new for anyone who survived the aws outage era, or the google algorithm update era, or the twitter api lockdown era. infrastructure fights downstream, eventually. start building with that in mind.