Old Emails Show a Partnership That Was Far From Inevitable
Evidence presented in the Musk v. Altman trial is shedding light on a formative period in the relationship between Microsoft and OpenAI. According to emails shown in federal court on Thursday, Microsoft executives in 2018 were not uniformly convinced that OpenAI was close to any breakthrough that would justify major additional support. At the same time, they were wary of creating an opening for Amazon, then the dominant cloud provider, to deepen ties with the research lab.
The disclosures add texture to a partnership that is now widely viewed as one of the most consequential in technology. Long before OpenAI became a major force in generative AI, Microsoft appears to have been weighing a more basic question: whether the nonprofit lab’s technical direction and compute demands were worth substantially more backing.
A Request for Far More Compute
The email chain described in court began after OpenAI’s performance in a video game competition using AI systems designed to mimic human play. Microsoft CEO Satya Nadella congratulated OpenAI chief executive Sam Altman on August 11, 2017. Ten days later, Altman replied with a request for $300 million worth of Microsoft Azure cloud computing services.
Altman’s message, as described in the source text, framed the ask in sweeping terms. OpenAI needed far more computing power than originally secured from Microsoft in order to continue its work, and Altman argued the effort could become the most impressive achievement yet in AI. The request was also practical: OpenAI had already consumed Microsoft-provided services twice as quickly as expected after the companies’ earlier 2016 arrangement for $60 million in discounted cloud credits.
That combination of ambition and resource intensity appears to have triggered real debate inside Microsoft. Nadella asked several senior lieutenants for guidance on how the company should respond.
Skepticism Inside Microsoft
The internal reactions described in the court evidence did not present OpenAI as an obvious bet. Several Microsoft executives said their visits to OpenAI had not suggested any imminent breakthrough in artificial general intelligence. At the time, much of OpenAI’s visible progress centered on game-playing systems, an area that showed promise but did not necessarily convince every executive that transformative commercial or scientific returns were close at hand.
That skepticism matters because it complicates the simple narrative that Microsoft immediately saw OpenAI as a generational opportunity. The emails instead suggest a large company trying to evaluate a technically ambitious but uncertain partner whose demands for infrastructure were growing quickly.
One response from Microsoft’s AI team, as summarized in the source text, said there was “no value in engaging.” Even without the full chain, that characterization signals that at least part of the company viewed additional support as hard to justify on the merits then visible.
The Amazon Factor
Yet the same evidence shows why Microsoft could not dismiss OpenAI outright. Executives worried that failing to support the lab might drive it toward Amazon. In the late 2010s, cloud competition was already strategic, and a small AI lab with unusual compute needs could become more important over time than its size suggested.
That fear now looks prescient. The court record described by Wired suggests Microsoft’s eventual decision was shaped not only by what OpenAI had already demonstrated, but also by what Microsoft stood to lose if a rival became OpenAI’s main infrastructure partner.
Roughly 18 months after the emails were sent, Microsoft announced a landmark $1 billion investment in OpenAI after the lab created a for-profit arm. That structure gave Microsoft the potential to earn a financial return, with the source text noting a possible return of $20 billion.
Why the Trial Evidence Matters
The emails were introduced by Elon Musk’s attorneys to illustrate the evolution of Microsoft’s relationship with OpenAI. In that sense, the evidence serves two functions. It helps explain the commercial logic behind one of AI’s defining alliances, and it also highlights how contingent that alliance once was.
Today, OpenAI and Microsoft occupy a far more complicated position. They remain deeply connected through investment and cloud infrastructure, but OpenAI has also become a powerful competitor in its own right. That tension makes the 2018 hesitation newly relevant: Microsoft was not simply buying into certainty. It was managing risk, rivalry, and the possibility that a skeptical view could turn out to be wrong.
The episode also reflects a recurring pattern in advanced technology. Large incumbents often have to make resource decisions before clear evidence exists. The strategic question is not only whether a partner is already delivering decisive breakthroughs, but whether declining to support that partner could strengthen a future rival.
What the Emails Add to the Broader Story
The newly surfaced messages do not rewrite the public history of OpenAI and Microsoft, but they sharpen it. They show a moment when OpenAI was still arguing for belief, still hungry for compute, and still far from the market power it would later command. They also show Microsoft acting less like a company mesmerized by hype and more like one balancing doubt against competitive exposure.
That may be the most revealing takeaway. The partnership that later helped define the AI era was not built on unanimous confidence. It emerged from internal skepticism, rapid resource consumption, and the realization that standing aside carried its own cost.
- Emails shown in court indicate Microsoft executives questioned OpenAI’s near-term breakthrough potential in 2018.
- Sam Altman asked Microsoft for $300 million in Azure cloud services after earlier support was used faster than expected.
- Microsoft also feared that withholding help could push OpenAI toward Amazon.
- About 18 months later, Microsoft announced its $1 billion investment in OpenAI.
This article is based on reporting by Wired. Read the original article.





