Baidu releases ERNIE 5.5 Flash Base, a 280B open-weight MoE base model
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Baidu published ERNIE 5.5 Flash Base on Hugging Face on November 5: a 280B-parameter sparse MoE base model with 14B active parameters, trained on 33.5T tokens and released without any mid- or post-training.
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Timeline · 6 reports
- 2026-11-06 23:59 · DEV Community — AI
Baidu's ERNIE-5.5-Flash-Base: can you self-host a 280B open model, and who is allowed to? - 2026-11-06 18:50 · DEV Community — Machine Learning
How to Run ERNIE 5.5 Flash Base Locally (8 H100s or 2 B300s, and It Won't Chat) - 2026-11-05 21:36 · r/machinelearningnews
Baidu releases ERNIE 5.5 Flash Base, a 280B MoE base checkpoint with 14B active params (78.4 MMLU-Pro, self-reported) - 2026-11-05 21:33 · MarkTechPost
Baidu Releases ERNIE 5.5 Flash Base: A 280B MoE Base Model With 14B Active Parameters - 2026-11-05 17:56 · The Decoder
Baidu releases ERNIE 5.5 Flash Base with 280 billion parameters as an open-source foundation model - 2026-11-05 16:47 · DEV Community — Machine Learning
Baidu's ERNIE 5.5 Flash Base: A 280B Open-Weight Model You Can Fine-Tune — Explained Honestly