Rio-3.5-Open-397B Model Accused of Being Shell of Qwen3.5 and NexN2Pro Within 24 Hours of Launch

According to Nex-AGI and HuggingFace, the Rio-3.5-Open-397B open-source model released by Brazil's IplanRIO was accused overnight of being a repackaging of Alibaba's Qwen3.5 and NexN2Pro weights rather than an original model. IplanRIO apologized on HuggingFace, stating the upload was a "merged baseline version uploaded by mistake." Nex-AGI publicly claimed the model shows no signs of independent training and is simply a combined version of NexN2Pro and Qwen3.5-397B-A17B weights.
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