Rio de Janeiro's "homegrown" LLM appears to be a merge of an existing model
prefeitura-rio/Rio-3.5-Open-397B is presented as an original 397B model trained by IplanRIO. It is not. Its weights are a direct element-wise merge of our model, Nex, with the official Qwen3...
https://github.com/nex-agi/Nex-N2/issues/4