The European Commission has formally opened an antitrust investigation into NVIDIA, targeting the company’s alleged anti-competitive practices around its CUDA software platform and GPU market dominance. NVIDIA stock dropped approximately 5% on the announcement.
This marks the most significant regulatory challenge yet to NVIDIA’s grip on AI infrastructure — and it could reshape how the company does business globally.
What Brussels Is Investigating
The Commission is examining two main concerns:
Product bundling: The investigation focuses on whether NVIDIA bundles graphics processing units (GPUs) with other products — particularly networking equipment — in ways that harm competition. The Commission has sent questionnaires to NVIDIA’s rivals and customers seeking evidence of coercive bundling practices.
CUDA software lock-in: French authorities have flagged that heavy reliance on NVIDIA’s proprietary CUDA software creates a dependency that gives NVIDIA excessive market power. Competitors like AMD struggle to gain traction even with competitive hardware because the AI ecosystem has been built around CUDA.
The Market Reality
NVIDIA’s dominance is hard to overstate. The company controls roughly 90% of the data center GPU market — the hardware that powers AI training and inference. Its H100 and newer B100/B200 chips are effectively the only option for organizations training large models.
That dominance extends beyond hardware. CUDA, NVIDIA’s parallel computing platform, has become the default software layer for AI development. Libraries, frameworks, and tools are optimized for CUDA first. Switching to alternatives means rewriting code, retraining staff, and accepting performance penalties.
The Commission’s concern: this combination of hardware dominance and software lock-in might not reflect fair competition but rather deliberate strategies to prevent alternatives from emerging.
U.S. Pressure Too
NVIDIA isn’t just facing European scrutiny. Senators Elizabeth Warren and Richard Blumenthal sent a letter to NVIDIA CEO Jensen Huang on March 19 raising concerns about the company’s potential acquisition of Groq, an AI chip startup.
The senators questioned whether NVIDIA is using acquisitions to eliminate potential competitors before they can challenge its dominance.
Combined with the EU investigation, NVIDIA now faces coordinated regulatory pressure on both sides of the Atlantic.
What This Means for AI
The investigation will likely take years — European antitrust cases typically involve extensive evidence gathering, formal statements of objections, and multiple rounds of appeals.
But the immediate impact is uncertainty. Companies planning AI infrastructure investments now have to consider whether NVIDIA’s market position is sustainable. Regulators could mandate interoperability, restrict bundling, or force structural changes to how NVIDIA sells its products.
For competitors like AMD, Intel, and AI chip startups, the investigation provides a window. If bundling practices are restricted, they might finally be able to compete on hardware merits rather than against an integrated NVIDIA ecosystem.
The Longer Play
European regulators have a track record of imposing significant penalties on dominant tech companies — Google has paid billions in fines over the past decade for various antitrust violations.
But fines alone rarely change market dynamics. The more significant outcome would be remedies that force NVIDIA to open up CUDA, stop bundling practices, or provide competitors with access to technologies that currently give NVIDIA an insurmountable advantage.
NVIDIA has denied any wrongdoing and says it competes fairly. The company has until the investigation concludes — likely 2028 or later — to make its case.
In the meantime, every organization betting on NVIDIA hardware should understand that the regulatory environment is shifting. The assumption that NVIDIA will remain the only viable option for AI infrastructure is no longer safe.