Rio-3.5-Open-397B Model Released

·2026.06.13 12:24

Key point

The Rio de Janeiro city government released a 397B-scale open source model fine-tuned from Qwen.

Details

Researchers at the Rio de Janeiro city government (Prefeitura do Rio) released Rio-3.5-Open-397B, a model fine-tuned based on Qwen, on Hugging Face.

This model shows performance similar to Qwen 3.7 Plus while being notable for being provided as open source. With its large number of parameters, this model is expected to contribute to the high-performance language model ecosystem.

llm huggingface open-source qwen rio-3.5-open

Read originalShare on Threads

This summary was generated automatically by AI. Check the original for the author's claims and context. Copyright belongs to the original author.

Our guide explains how the AI works. Report summary errors, attribution issues, or removal requests via Contact.