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mit tech review · July 17, 2026

China's 1T-parameter model narrows the US AI gap

a chinese startup released 01-ai's yi-large, a 1 trillion-parameter open-source model that rivals proprietary us leaders, signaling china's aggressive push to close the technological gap.

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chinese startup 01-ai launched yi-large, the world's largest open-source ai model with 1 trillion parameters, claiming performance parity with us proprietary leaders like gpt-4 and claude 3. the release underscores china's strategic pivot to open-source development to bypass us export controls and challenge the dominance of american firms. this move caused ai and semiconductor stocks to slide as investors reassessed the competitive landscape and the effectiveness of us restrictions. additionally, chinese leader xi jinping used the world artificial intelligence conference to pitch china as an ai partner for the developing world, emphasizing a distinct technological path.

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