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Baidu releases ERNIE-5.5-Flash-Base pre-training checkpoint on Hugging Face

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Source: Baidu (Hugging Face)Also reported by The Decoder

Baidu published ERNIE-5.5-Flash-Base on Hugging Face, a text-only mixture-of-experts model with 280B total parameters and 14B activated per token. It is the checkpoint at the end of pre-training, before any mid- or post-training, and was pre-trained on 33.5T tokens with a training context of up to 128K. The weights are released in FP8 and BF16 under the ERNIE 5.5 Flash Base Model License v1.0, and the model card compares its benchmarks with DeepSeek-V4-Flash-Base, Hy3-preview-Base and MiMo-V2.5-Base.

Why it matters

Developers can build on the weights for domain adaptation, instruction tuning and reinforcement-learning research, under the ERNIE 5.5 Flash Base Model License v1.0.

When
5 Nov 2026
ID
WTA-N-2026-0744
Where
China
Who
Baidu

Summary written with AI by wheresthe.ai, from Baidu (Hugging Face) and the reporting credited above. Checked against the source on 5 Nov 2026.

Read the original at Baidu (Hugging Face)

Source copy: saved on 5 Nov 2026 to check this story and not republished, because the text belongs to its publisher. Also held by the Internet Archive.

Earlier in this Storyline: What led hereBaidu launches Ernie 4.0 at Baidu World 2023 in Beijing

Cite this story

WTA-N-2026-0744: “Baidu releases ERNIE-5.5-Flash-Base pre-training checkpoint on Hugging Face.” wheresthe.ai, 5 Nov 2026. https://wheresthe.ai/d/cn-baidu-releases-ernie-5-5-flash-base-pre-training-checkpoi-2026-11/ (source: Baidu (Hugging Face)).

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