Rio de Janeiro city government releases 397B open-weight model
The Rio de Janeiro city government has released a new AI model on called Rio-3.5-Open-397B. The model is a Qwen fine-tune, meaning it was built by further training an existing Qwen model. The says it looks fairly close to Qwen 3.7 Plus, with the key difference that this one has .
The person sharing it says they work as a researcher for the Rio de Janeiro city government, which developed the model. The available text does not include numbers, running costs, hardware needs, or license details.
Key points
- Rio-3.5-Open-397B is available on .
- It is described as a Qwen fine-tune.
- The key claim is that it is , unlike some closed hosted models.
- The model was developed by the Rio de Janeiro city government, according to the .
- No concrete , cost, hardware, or license details are included in the item.