Baidu the latest to join open-source movement with Ernie 4.5 models publicly available

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Chinese tech giant Baidu on Monday marked its entry into the highly competitive field of Chinese open-source artificial intelligence (AI) systems, by making its flagship Ernie 4.5 models available for download on AI site Hugging Face.

Baidu open-sourced 10 variants from its Ernie 4.5 multimodal model family, from the 0.3 billion parameter lightweight models to the heavyweight 424 billion parameter ones, according to a statement.

Beijing-based Baidu, one of the earliest tech firms in China to develop large language models (LLMs) following the release of ChatGPT in November 2022, has made a U-turn by making its models open-source. A year ago, founder and CEO Robin Li Yanhong was publicly saying its Ernie series, like OpenAI’s ChatGPT models, would be more powerful than open-source ones.
 
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