Rio 3.5 Open 397B
PulseAugur coverage of Rio 3.5 Open 397B — every cluster mentioning Rio 3.5 Open 397B across labs, papers, and developer communities, ranked by signal.
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AI Model Accused of Misrepresenting Origins, Apologizes for Error
A purported new open-source AI model, Rio-3.5-Open-397B, launched by Rio de Janeiro's IT company IplanRIO, has been accused of being a repackaged version of existing models, specifically a mix of Alibaba's Qwen 3.5 and …
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Rio de Janeiro AI Model Exposed as Merged Open-Source Models
The City of Rio de Janeiro's IT agency, IplanRIO, claimed to have developed an original 397-billion-parameter AI model named Rio-3.5-Open-397B. This model reportedly outperformed Alibaba's Qwen 3.7 Plus on several codin…
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Rio's 'homegrown' AI model revealed as merge of existing tech
Rio de Janeiro's municipal AI model, Rio-3.5-Open-397B, has been revealed to be a merge of existing models rather than a unique development. Researchers discovered it was a linear combination of Nex-N2 Pro and Qwen3.5-3…
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Rio de Janeiro Develops Qwen-Based Model with SwiReasoning
A new model named Rio 3.5 Open 397B has been developed, building upon the Qwen 7/2 architecture. This model incorporates SwiReasoning, a novel framework that optimizes token efficiency by selectively engaging in explici…
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Rio de Janeiro releases open-source Rio-3.5-Open-397B model
A new open-source model named Rio-3.5-Open-397B has been released on Hugging Face. Developed by the city government of Rio de Janeiro, this model is a fine-tune of Qwen and is reported to perform comparably to Qwen 3.7 …