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Baidu Releases ERNIE 5.5 Flash Base with 280 Billion Parameters as an Open-Source ...
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Fusion42 · 6 November 2026 · Fusion42 review
Baidu has released ERNIE 5.5 Flash Base, a 280-billion-parameter Mixture of Experts (MoE) foundation AI model pre-trained on 33.5 trillion tokens. The model is open-source and shipped without fine-tuning to allow developers maximum flexibility.
This Wire brief sits within Fusion42's coverage of AI & ML, and 3 sources have reported it between 5 Nov 2026 and 12 Nov 2026.
◆ ◆ The Wire takeaway
You need to reposition your AI strategy now that Baidu has opened access to a massive 280B-parameter MoE model with broad pretraining, cutting the cost barrier for high-scale AI inference. This opens a new door to build advanced AI applications without starting from scratch or heavy fine-tuning.
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3 sources · first reported 5 Nov 2026 · latest 12 Nov 2026
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