Baidu releases ERNIE 5.5 Flash Base, a 280B open-weight MoE base model
This story is from 2026-11-05. It is preserved in the archive; the latest stories are on the live feed.
Baidu released ERNIE 5.5 Flash Base on November 5, 2026, publishing raw pre-training weights of a 280B-parameter sparse MoE text model with 14B active parameters, trained on 33.5T tokens, with no mid- or post-training applied.
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Timeline · 8 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 - 2026-11-05 10:25 · Unite.AI
Baidu Releases ERNIE 5.5 Flash Base for Further Training - 2026-11-05 08:55 · AlphaSignal
Baidu Drops ERNIE 5.5 Flash, a Raw 280B Open Checkpoint Beating DeepSeek