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Baidu ERNIE models and weight access conditions

Published

This dossier follows Baidu's ERNIE weight releases and usage terms, distinguishing technical availability from rights granted by the license.

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Generic server icon; does not depict the equipment concerned. Markus Suhr, CC0; PNG rendering. — Markus Suhr / Wikimedia Commons — CC0 1.0, https://creativecommons.org/publicdomain/zero/1.0/ ; PNG rendering.

Where things stand

As of 5 November 2026, ERNIE 5.5 Flash Base is downloadable in FP8 and BF16. Its license excludes the EU, UK and South Korea and requires prior written authorization for commercial use.

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Reported information

Baidu releases ERNIE 5.5 Flash Base weights under a restrictive license

Baidu published ERNIE 5.5 Flash Base weights on 5 November 2026, a text model intended for further training and application adaptation. Download availability does not mean unrestricted use everywhere.

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Generic server icon; does not depict the equipment concerned. Markus Suhr, CC0; PNG rendering. — Markus Suhr / Wikimedia Commons — CC0 1.0, https://creativecommons.org/publicdomain/zero/1.0/ ; PNG rendering.

Baidu says the mixture-of-experts architecture has 280 billion total parameters, with 14 billion activated per token. FP8 and BF16 versions are available on Hugging Face. This is a pretrained base; a post-trained version is to follow.

License v1.0 excludes the European Union, United Kingdom and South Korea from its territory. Commercial use requires prior written authorization. Developers therefore need to check applicable rights before deployment; published comparative performance remains Baidu's own assessment.

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