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The increasingly public legal battle between Elon Musk and Sam Altman has exposed far more than the internal evolution of OpenAI. Newly revealed court testimony and internal communications are now shedding light on a deeper concern inside Microsoft: the fear that OpenAI could eventually become more powerful than Microsoft itself in the rapidly expanding artificial intelligence industry.

Documents revealed during the high-profile Musk v. Altman trial in Oakland, California, show that Microsoft CEO Satya Nadella had concerns about becoming overly dependent on OpenAI as early as April 2022 — months before ChatGPT launched and ignited the global generative AI boom.

At the time, Microsoft had already invested billions into OpenAI and positioned itself as the company’s primary cloud infrastructure provider through Azure. But internally, executives were increasingly aware that the partnership carried major strategic risks.

Nadella reportedly warned colleagues in an internal email: “I don’t want to be IBM and OpenAI to be Microsoft.”

The comparison referenced one of the most famous shifts in tech history, when IBM helped establish Microsoft’s early dominance by distributing its operating system in the 1980s, only for Microsoft to later eclipse IBM in influence, valuation, and market power.

The irony now appears impossible to ignore: Microsoft feared it could eventually become the infrastructure provider supporting the rise of a new AI giant that might one day overshadow it.

Microsoft’s Early Bet on OpenAI Changed the Industry

Microsoft’s partnership with OpenAI began in 2019 with an initial $1 billion investment that at the time was considered highly ambitious and risky. The deal gave Microsoft privileged access to OpenAI’s models while establishing Azure as the primary cloud platform powering the startup’s AI systems.

That partnership eventually became one of the most important alliances in modern tech history.

When ChatGPT launched in late 2022, the platform became one of the fastest-growing consumer applications ever created, reaching over 100 million users within months and triggering a global race among tech companies to dominate generative AI.

OpenAI’s explosive growth dramatically increased its influence across the industry. The company is now valued at approximately $850 billion, making it one of the most valuable private technology firms in the world.

At the same time, OpenAI’s success transformed Microsoft into a dominant AI infrastructure provider. Azure became one of the primary engines powering the global AI boom, driving enormous demand for data centers, chips, cloud computing, and enterprise AI services.

Yet the court disclosures reveal Microsoft executives were simultaneously concerned that OpenAI might gain too much leverage.

Nadella Wanted “Agency at Every Layer”

During testimony, Nadella explained that Microsoft wanted more than simply providing cloud computing resources to OpenAI.

He said the company believed it was critical to maintain “real agency at every layer of the stack,” meaning Microsoft wanted influence not only over infrastructure, but also over AI models, intellectual property, products, and long-term commercialization opportunities.

The concern was straightforward: if OpenAI became the dominant AI platform while Microsoft remained mostly an infrastructure supplier, the balance of power inside the technology industry could shift dramatically.

Nadella acknowledged in court that Microsoft was effectively giving up opportunities to develop certain AI technologies independently in exchange for deeper integration with OpenAI.

That made access to OpenAI’s intellectual property and long-term strategic rights especially important.

Over time, however, OpenAI expanded beyond Microsoft’s ecosystem.

The company signed partnerships with Microsoft rivals including Google, Oracle, and later Amazon, reducing Microsoft’s exclusivity advantage.

Microsoft Has Spent More Than $100 Billion on OpenAI

The scale of Microsoft’s AI investment is staggering.

According to testimony from Microsoft corporate development executive Michael Wetter, the company is expected to spend more than $100 billion on OpenAI by June 2026 when accounting for direct investments, cloud infrastructure, hosting costs, and long-term commitments.

The financial relationship between the two companies became so intertwined that approximately 45% of Microsoft’s commercial remaining performance obligations at the end of 2025 were reportedly tied to OpenAI-related infrastructure demand.

To support the partnership, Microsoft has aggressively expanded global data center capacity and invested heavily in advanced AI supercomputing infrastructure powered by thousands of GPUs.

Kevin Scott, Microsoft’s chief technology officer, testified that one of the company’s earliest AI supercomputers built alongside OpenAI required roughly 10,000 graphics processing units and occupied a substantial portion of a data center.

Scott described the collaboration as a transformative learning experience that helped Microsoft rapidly develop expertise in building large-scale AI infrastructure systems.

OpenAI’s Rise Created a Strategic Problem for Microsoft

Despite becoming one of the world’s largest AI infrastructure providers, Microsoft has struggled to establish itself as a dominant leader in AI models themselves.

That distinction increasingly matters.

While OpenAI became synonymous with generative AI through ChatGPT, Microsoft’s own AI products have had a more mixed reception. Although the company integrated AI features into Windows, Office, Bing, GitHub, and Copilot products, none have achieved the same cultural or commercial impact as ChatGPT.

Investors have started paying closer attention to that gap.

Microsoft shares have underperformed some cloud and AI competitors this year, even as Azure growth remains heavily supported by AI demand.

Internally, Microsoft appears to have recognized the danger of becoming too dependent on OpenAI’s technology leadership.

By early 2024, Nadella reportedly described AI models as increasingly becoming “commodities,” suggesting Microsoft no longer wanted to rely entirely on external model providers.

Microsoft Began Building Its Own AI Strategy

To strengthen its independent AI position, Microsoft hired Mustafa Suleyman in 2024. Suleyman, a co-founder of DeepMind, was placed in charge of Microsoft’s new AI division overseeing Bing, Copilot, and broader AI product development.

Under Suleyman’s leadership, Microsoft accelerated efforts to build proprietary AI models capable of competing with OpenAI and other industry leaders including Anthropic and Google.

The company later confirmed it had begun testing internally developed large language models that could eventually enhance or partially replace OpenAI technologies powering Copilot.

Microsoft also expanded relationships with alternative AI developers.

The company integrated models from Anthropic for certain workloads, invested billions into OpenAI competitors, and even added tools from xAI to Azure’s ecosystem for developers.

This diversification strategy signaled that Microsoft no longer viewed OpenAI solely as a partner — but increasingly as both a collaborator and a competitor.

The Partnership Continues, but the Power Dynamics Are Changing

Despite the growing competitive overlap, Microsoft and OpenAI remain deeply interconnected.

Their agreements have been revised multiple times to reflect OpenAI’s expanding independence and market influence.

One major update earlier this year capped revenue-sharing payments from OpenAI to Microsoft while allowing OpenAI products to run across rival cloud providers including Amazon and Google.

The revised terms illustrate how dramatically the balance of power has evolved since Microsoft’s initial investment in 2019.

At first, Microsoft appeared to hold enormous leverage by providing funding, computing infrastructure, and enterprise distribution. Today, OpenAI has become powerful enough to negotiate broader autonomy while simultaneously reshaping the global AI industry.

Nadella acknowledged during testimony that Microsoft intentionally relaxed some early rights in order to allow OpenAI to continue scaling rapidly.

He emphasized that Microsoft still sees itself primarily as a “platform company” and strategic partner, even as competition between the companies quietly intensifies behind the scenes.

The AI Race Is Becoming Increasingly Complex

The disclosures from the Musk-Altman trial reveal just how complicated the modern AI power struggle has become.

Microsoft helped fuel OpenAI’s rise, but OpenAI’s success also forced Microsoft to rethink its own role in the future of artificial intelligence.

The company now finds itself balancing several competing priorities simultaneously:

• Supporting OpenAI’s continued growth
• Building independent AI models
• Expanding Azure’s AI infrastructure dominance
• Partnering with competing AI developers
• Protecting long-term strategic control over AI ecosystems

As the AI market evolves at unprecedented speed, the once-clear distinction between partners, competitors, investors, and customers is rapidly disappearing.

And according to the testimony emerging from the courtroom, Microsoft realized that risk years before the rest of the tech industry fully understood how powerful OpenAI could become.