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

Keyword: Parameter Space

Publisher: Decrypt

Published: Jun 15, 2026

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 ma… [+9474 chars]

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