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Baidu Releases ERNIE 5.5 Flash Preview, Plans to Open-Source Weights by November 25
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Fusion42 · 12 November 2026 · Fusion42 review
Baidu has released a flash preview of ERNIE 5.5, a large AI model with 280 billion parameters and 14 billion active, supporting a 1 million-token context window, and plans to open-source its weights by November 25. The preview version shows competitive performance in coding, 3D modeling, knowledge work, and content creation, with further improvements expected in the final release.
This Wire brief sits within Fusion42's coverage of AI Frontier Models, and 3 sources have reported it between 5 Nov 2026 and 12 Nov 2026.
◆ ◆ The Wire takeaway
You gain direct access to a top-tier Chinese AI model soon as Baidu opens its weights, lowering entry barriers for AI developers focused on coding and 3D tasks in China and beyond. The limited preview hints at new use cases but requires you to prepare for incremental updates after November 25.
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3 sources · first reported 5 Nov 2026 · latest 12 Nov 2026
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