Grand momentum! From Silicon Valley to Washington, Jensen Huang launches the "Open Source Model Defense Battle."

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The open-source model Kimi K3 from Chinese AI startup Moonshot has burst onto the scene, causing policy turmoil in Washington and thrusting Nvidia CEO Jensen Huang to the forefront of this debate.

According to a Bloomberg report on July 29, Huang visited Washington on Tuesday, meeting intensively with various members of Congress and Commerce Secretary Howard Lutnick, vigorously arguing for the strategic value of open-weight models for the security and competitiveness of the U.S. AI industry.

After meeting with Democratic Senators Mark Warner and Adam Schiff, he stated: "For American industries, we need open weights to ensure safety; open weights are essential for security. This is vital for the vibrancy of the entire industry." This statement marks the latest step in Huang’s ongoing public lobbying campaign since the release of Kimi K3.

The backdrop of this "defense battle" is: Kimi K3 was officially opened for public download this Monday, with performance said to rival Anthropic and OpenAI’s products, sparking policy discussions about U.S. restrictions on open-weight models.

Analysts believe that this policy direction directly affects the commercial prospects of AI hardware manufacturers like Nvidia—open-source models, due to their lower cost and broader deployment, are expected to drive larger-scale income increases for underlying computing power.

Joint Pressure: Tech Giants Make Collective Appearance

A Nvidia spokesperson said in a statement that Huang's visit was aimed at discussing the company's efforts to support "American AI leadership," including its strategy in the open-source domain.

The timing of this meeting is particularly sensitive—the Commerce Department is in the final stages of developing a framework for advanced AI model safety review. This means Huang’s lobbying directly enters the window period of policy formulation, and its influence may be reflected in the forthcoming regulatory framework.

Reports state that Huang’s trip to Washington was not a solo fight, but part of a coordinated industry collective action.

Last Friday, Huang, together with Microsoft CEO Satya Nadella and dozens of tech companies, signed an open letter warning policymakers not to restrict this AI technology path of open weights.

The letter stated that open-weight models "are an essential foundation because they make advanced AI more accessible, more adaptable, and more widely available." Huang made this letter his first post on his newly launched personal X account.

On Monday, Nvidia spoke out again, joining Microsoft, Palantir Technologies, and Salesforce to issue a statement positioning open-weight models as a key tool for strengthening cybersecurity. The statement used strong language:

"An across-the-board restriction on open frontier AI systems will weaken defensive capabilities and risks concentrating power, dependence, and vulnerability in the hands of a few closed providers."

Within just a few days, two joint letters and one intensive visit to Congress, Huang has escalated this policy lobbying to new intensity.

Reports say Huang’s lobbying is already seeing preliminary results in Congress. Senate Intelligence Committee member, Democratic Senator Mark Warner, stated after meeting with Huang that the latter made convincing arguments regarding open-weight systems.

"Now, we are seeing Chinese models like Kimi appearing one after another, and more and more American companies are turning to open source. I’m not sure if this is a genie that can be put back in the bottle."

However, not all lawmakers are welcoming Huang’s visit. Last month, Democratic Senator Elizabeth Warren invited Huang to testify openly before the Banking Committee but was declined.

Warren expressed disappointment in a statement: "He couldn’t even spare an hour to openly answer Congress’ questions?" This episode shows that Huang’s PR offensive in Washington still faces pressure from some members of Congress.

Commercial Logic: Open-source Wave Favors Nvidia Hardware

Reports say there is clear business logic behind Huang's push for open-weight models.

Currently, among American AI developers, although companies like OpenAI provide some open-weight models, their core business is still focused on selling closed or proprietary systems to customers. In contrast, Chinese companies, including DeepSeek, have already launched large numbers of lower-priced open-source models.

Analysts believe that the spread of open-source models means lower barriers to use and broader deployment scenarios, and ultimately, all these applications require computing power support.

As the dominant supplier of AI chips, Nvidia is expected to benefit from greater hardware demand generated by the expansion of the open-source ecosystem. In other words, the commercial success of open-source models aligns closely with Nvidia’s interests.

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