The Rio 3.5 model broke the internet this week. The plot twist? Itβs essentially our open-source model, Nex N2 Pro, wearing a different hat.
We analyzed the weights, and the recipe is exact: Rio 3.5 β 0.6 * Nex N2 Pro + 0.4 * Qwen 3.5
It even literally introduces itself as "Nex N2 Pro" if you ask it without initial system prompt!
We are flattered that the City of Rio used our work to achieve SOTA performance. Thanks for the ultimate benchmark validation.
But in the open-source world, attribution matters.
Full mathematical proof & verify script in the first reply!
We analyzed the weights, and the recipe is exact: Rio 3.5 β 0.6 * Nex N2 Pro + 0.4 * Qwen 3.5
It even literally introduces itself as "Nex N2 Pro" if you ask it without initial system prompt!
We are flattered that the City of Rio used our work to achieve SOTA performance. Thanks for the ultimate benchmark validation.
But in the open-source world, attribution matters.
Full mathematical proof & verify script in the first reply!
More details can be found here. github.com/nex-agi/Nex-N2
The first image shows Rio 3.5 admitting it is Nex, and the second image is the result of a model weight similarity check.
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Nex: A next-gen platform linking models, data, and frameworks. We provide a stable, high-performance, ready-to-use agent system.
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