China's aggressive embrace of open-source artificial intelligence models is creating a "self-reinforcing competitive advantage" that threatens U.S. leadership in the sector, even as Washington restricts access to advanced chips, according to a new report from a congressional advisory body. Models from companies like Alibaba and DeepSeek now dominate global downloads and usage rankings, offering low-cost, customizable alternatives that are eroding the moat around proprietary systems such as OpenAI's ChatGPT.

Huge investment announcements by ChatGPT-maker OpenAI this week boosted tech optimism but there are worries that the AI-fuelled rally may have run too far
AFP

The U.S.-China Economic and Security Review Commission warned in a report released March 23, 2026, that China's strategy of releasing powerful open-weight models enables rapid innovation and widespread adoption, particularly as the AI frontier shifts toward agents and "physical AI" applications tied to manufacturing and robotics. This approach has allowed Chinese labs to narrow performance gaps with top Western models despite compute constraints imposed by U.S. export controls.

Alibaba's Qwen family of models has surpassed Meta's Llama in global cumulative downloads on the Hugging Face platform, while DeepSeek's R1 model briefly overtook ChatGPT as the most downloaded app on the U.S. App Store after its launch last year. Chinese open-source models now account for roughly 30% of global AI usage in some metrics, driven by aggressive release schedules and permissive licensing that lets developers freely customize and deploy them.

The strategy plays to China's strengths: a vast manufacturing base generates massive amounts of real-world data from factories, logistics networks and robotics, creating a "physical loop" that complements the "digital loop" of model training. The commission noted that open models reduce the compute needed for effective deployment, making China's industrial data advantage increasingly independent of cutting-edge hardware. Some estimates suggest around 80% of U.S. AI startups now incorporate Chinese open-source models.

"Open model proliferation creates alternative pathways to AI leadership," the report stated. "As the AI frontier shifts from large language models to AI agents and physical AI, China, with its large-scale data collection, could be better positioned in humanoid robots and autonomous driving software."

DeepSeek, a relatively young Hangzhou-based startup, has been a breakout player. Its R1 reasoning model demonstrated capabilities rivaling OpenAI's advanced systems at a fraction of the cost — reportedly 5% or less for similar performance in certain tasks. The model quickly gained traction worldwide, with derivative versions downloaded millions of times as developers tailored it for specific needs. Moonshot AI's Kimi series and other entrants have followed suit, intensifying competition.

Alibaba has led with the Qwen series, open-sourced since 2023 and now boasting hundreds of millions of downloads. Recent iterations like Qwen3-Max-Thinking claim strong agentic capabilities, including video analysis, and have been adopted by businesses for cost efficiency. Airbnb, for instance, has used Qwen models to power customer service tools. Alibaba's own ecosystem has largely switched to its in-house models.

This open approach stands in contrast to the closed, proprietary models favored by U.S. leaders such as OpenAI, Anthropic and Google. While American firms have invested billions to push the frontier, Chinese models undercut on price and accessibility, appealing especially to developers, startups and users in emerging markets. Some Western companies have quietly adopted them for non-sensitive tasks, drawn by lower inference costs and customization freedom.

The shift has prompted responses from U.S. players. OpenAI's Sam Altman acknowledged feeling "on the wrong side of history" after DeepSeek's rise and signaled a partial pivot toward more open strategies. The company has released some open-source elements and slashed prices on certain models. Meta continues pushing its Llama family, but faces stiff competition in download metrics. Nvidia CEO Jensen Huang has praised DeepSeek and Qwen as among the best open-source models, highlighting their efficiency.

Geopolitically, the trend raises concerns beyond benchmarks. Open models can be fine-tuned for a wide range of uses, including potentially sensitive applications, though Chinese regulations require alignment with "core socialist values" and include security reviews. Critics worry about data privacy, ideological biases embedded in training data, and the risk that widespread adoption could allow China to set de facto global standards in certain AI domains.

U.S. export controls on advanced semiconductors, tightened since 2022, aimed to slow China's frontier progress. Yet the commission report argues these measures primarily target training compute and are less effective against deployment-driven innovation fueled by open ecosystems and industrial data. Recent approvals for Nvidia's H20 chips have further aided Chinese firms.

China's national AI strategy, including elements in its latest five-year plans, supports open-source communities alongside state-backed infrastructure and talent retention. Companies benefit from government encouragement of collaboration, contrasting with the more competitive U.S. landscape. This has accelerated iteration cycles and broadened participation from researchers and smaller players.

For ChatGPT and similar closed systems, the threat is multifaceted. Proprietary models still lead many high-stakes benchmarks and enterprise applications requiring strict control, but they face pricing pressure as free or low-cost open alternatives proliferate. Developers increasingly mix models, using Chinese open-source options for routine tasks while reserving premium closed models for complex reasoning.

The commission cautioned that without countermeasures, the U.S. risks ceding influence in the global AI ecosystem, particularly in developing countries eager for affordable tools. It recommended stronger support for American open-source efforts, updated policies addressing physical data loops, and continued investment in frontier capabilities.

Industry observers note that the performance gap between top closed and advanced open models continues to shrink, especially in coding, math and agentic tasks. Chinese models excel in multilingual support and efficiency optimizations suited to varied hardware.

As AI moves toward embodied systems — robots, autonomous vehicles and industrial automation — China's manufacturing dominance could amplify its edge. Factories equipped with sensors and robots generate proprietary datasets that improve models in a virtuous cycle.

OpenAI has accused DeepSeek of distilling knowledge from its models through indirect access methods, highlighting ongoing tensions over intellectual property and "free-riding." Such disputes underscore the competitive intensity.

Looking ahead, analysts expect China's open-source push to continue, with more frequent releases and specialization for vertical industries. U.S. firms may accelerate hybrid approaches or partnerships, while regulators grapple with balancing innovation, security and market fairness.

The battle is no longer solely about who builds the most powerful single model. It is increasingly about who controls the ecosystem — the tools, data and standards that shape how AI is developed and deployed worldwide. China's open-source strategy has positioned it strongly in that contest, forcing a reassessment of long-held assumptions about technological leadership.

For now, ChatGPT retains enormous brand power and a lead in cutting-edge capabilities. But the proliferation of capable, affordable Chinese alternatives signals a more fragmented and competitive AI landscape, where dominance may be measured less by proprietary breakthroughs and more by adoption, customization and real-world impact.