Rio de Janeiro Built an AI Model That Beat DeepSeek—But Was Based on Someone Else’s Work – Decrypt

Jun 15, 2026 - 23:15
Rio de Janeiro Built an AI Model That Beat DeepSeek—But Was Based on Someone Else’s Work – Decrypt
In brief IplanRIO released Rio 3.5 Open 397B on June 13, billing it as a government-built frontier AI model with benchmark scores topping Qwen 3.7 Plus. AI company Nex published a mathematical proof showing the model is a direct 0.6 Nex / 0.4 Qwen weight merge. IplanRIO updated the model card, credited Nex, pulled the...

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