Rio-3.5-Open-397B
The model is built via a merge of https://huggingface.co/nex-agi/Nex-N2-Pro and https://huggingface.co/Qwen/Qwen3.5-397B-A17B, proceeded by On-Policy Distillation from a stronger model.
text + image → text · made by Prefeitura do Rio de Janeiro (City of Rio de Janeiro)
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About
Rio-3.5-Open-397B — a text model from Prefeitura do Rio de Janeiro (City of Rio de Janeiro).
It takes text and images and returns text. It was published in June 2026. The catalogue files it under chat. Its weights are published under MIT, so you may run it on your own machine, or buy it from whoever serves it cheapest.
Every current figure
- Maker
- Prefeitura do Rio de Janeiro (City of Rio de Janeiro)
- Register
- model
- Takes
- text + image
- Returns
- text
- Published
- June 2026
- Parameters
- 403 billion · read from its own weights
- Licence
- mit
Known as 1 name
prefeitura-rio/Rio-3.5-Open-397B