Australia is being told to choose between the US and China on AI

By Zara Kincaid · 2026-08-20

The framework has forced a binary

Supply chain architecture is not glamorous policy. It is wiring diagrams, export licence schedules and standards bodies most ministers could not name at a press conference. But it is also where global power is now being settled, and Australia has just been told it can no longer pretend the wiring runs both ways.

A US State Department draft letter, circulated to roughly 35 Pax Silica partner nations, says membership in the framework is incompatible with joining China's rival World Artificial Intelligence Cooperation Organisation.^[1] The language is precise. "Signature of the Pax Silica Declaration is not merely a membership subscription, but a commitment; it cannot be held alongside membership in duplicative initiatives whose expectations conflict with our own."^[1] That is not diplomatic hedging. That is a closed door.

Australia signed Pax Silica at the Washington summit on 12 December 2025, alongside Japan, South Korea, the United Kingdom, Singapore, Israel and the United States.^[2] The declaration describes Pax Silica as the State Department's flagship effort on AI and supply chain security.^[3] Canberra didn't stumble into this. The question is whether it understood what it was choosing.

What Pax Silica actually covers

Under Secretary of State for Economic Affairs Jacob Helberg put the framework's purpose plainly in testimony before the House Foreign Affairs Committee: "That is why the United States has built Pax Silica: a coalition for the AI age, focused on rebuilding supply chain security across the infrastructure, industrial capacity, and critical technologies that now determine national power."^[4] Helberg isn't talking about trade balances or tariff schedules. He's describing a world in which the stack matters more than the flag.

Semiconductors, AI infrastructure, critical minerals processing, these aren't inputs to the economy. In Washington's current framing, they are the economy that matters, and everything else sits downstream of them.

Australia sells a lot that is upstream of that stack. Iron ore, lithium, rare earths, the raw materials that become inputs that become chips that become models. Pax Silica explicitly covers critical minerals supply chains alongside semiconductors and AI infrastructure. Australia's dominant export categories sit squarely inside the framework's scope.^[2] Staying in Pax Silica isn't just a technology choice. It is a minerals-trade positioning decision, and China is on the other side of it.

Kazakhstan is the pressure point

Washington's ultimatum wasn't triggered by Australia. It was triggered by Kazakhstan.

Kazakhstan joined Pax Silica on 25 June 2026, becoming the fifteenth partner country and the first from its region.^[5] Three weeks later, on 16 July 2026, Kazakhstan was among the 29 founding members that signed the agreement establishing WAICO in Shanghai.^[6] Nur-Sultan signed onto the US framework, then joined the Chinese framework three weeks later. Washington noticed.

The lesson isn't that Astana was clever. It's that the gap between the two frameworks, which some countries had been quietly treating as navigable, has now been formally closed. The draft letter isn't really about Kazakhstan anymore. It is about making sure no other Pax Silica member tries the same manoeuvre, and Australia is on that list of roughly 35 partner nations.

The costs are real on both sides

The case for staying firmly in Pax Silica is straightforward on paper. US semiconductor access, cloud infrastructure integration, defence AI interoperability, none of these are negotiable from outside the framework. Australia's defence relationship with the United States already runs deep, and the technology layer of that relationship is increasingly inseparable from the commercial semiconductor and AI stack.

The case for not burning the WAICO bridge is also real, and it is primarily economic. China remains Australia's largest trading partner by a considerable margin. Critical minerals processing, the stage that turns Australian raw materials into something with actual value-added, is dominated by Chinese industrial capacity. Pax Silica membership doesn't automatically redirect that processing capacity elsewhere.

Pax Silica membership commits Canberra to export control alignment, supply chain transparency requirements and technology-sharing arrangements that are incompatible with deepening the kind of minerals processing relationship that would actually diversify Australia's export revenue. You cannot simultaneously build a sovereign battery supply chain oriented toward US and allied markets, and deepen the processing relationship with Chinese state enterprises, inside a framework that explicitly excludes duplicative commitments.

The less-bad choice, said plainly

Opinion pieces are supposed to take a position, so here is mine: Australia should stay in Pax Silica, and the government should stop behaving as if this is a question that can still be deferred.

The AI infrastructure that will matter for the next two decades is being built on US and allied semiconductor architecture. Access to that architecture, for Australian research institutions, defence systems and commercial AI development, runs through frameworks like Pax Silica. WAICO offers open model sharing and development support from China's ecosystem, which is serious work, but it does not substitute for the hardware layer that actually runs models at scale.

The harder argument concerns trade exposure, and it deserves a direct answer. Deeper Pax Silica integration creates friction with Australia's largest trading partner, and that has economic costs. But the alternative, hedging between frameworks and attempting to participate meaningfully in both, has now been explicitly foreclosed by Washington's draft letter. The choice isn't between alignment and non-alignment. It is between acknowledged alignment with the US-led framework and a diplomatic rupture that would produce worse outcomes on both fronts at once.

Australia has rarely had clear sight of these kinds of forks in the road. This one is unusually visible, and Washington's draft letter puts the deadline on the table.

Zara Kincaid

Zara Kincaid writes about artificial intelligence and search. Her focus is what happens to businesses when the front page of the internet stops being a list of links and starts being an answer.