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 Plus. The developer disclosed their affiliation with the city government, where they work as a researcher. AI
IMPACT Provides a new open-source option for researchers and developers, potentially fostering further innovation in fine-tuning and model development.
RANK_REASON Release of a fine-tuned model on Hugging Face, not from a frontier lab. [lever_c_demoted from research: ic=1 ai=1.0]
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