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Boundless World Model: How an Open-Source Chinese World Model Topped the Global Rankings

Summary by Pandaily
The race to build world models — AI systems that can understand and simulate physical reality — is heating up. Now, an open-source entry from China has shot to the top of the leaderboard, outperforming offerings from Google, NVIDIA, and well-funded startups. BWM (Boundless World Model) achieved a score of 64.54 on WorldArena Track-1 (video quality), placing first among all open-source models and second overall — just 0.39 points behind the close…
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Pandaily broke the news on Wednesday, June 3, 2026.
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