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Kyutai lança REKI, modelo aberto de 2,4 bilhões de parâmetros para robótica com memória de curto prazo

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O laboratório francês Kyutai, em parceria com o Inria e a École des Ponts, apresentou o REKI, um modelo de visão-linguagem-ação com 2,4 bilhões de parâmetros voltado a robôs manipuladores. A arquitetura usa 32 tokens de registradores aprendidos para guardar a memória dos últimos três segundos de observação, evitando o custo de reprocessar quadros antigos. Segundo os autores, o modelo reduziu oscilações patológicas de braços robóticos de 18,6% para 4,1% no benchmark RoboTwin e liderou o LIBERO-Plus com 90,4% de sucesso. Os pesos foram disponibilizados no Hugging Face, e o pré-treinamento usou apenas repositórios públicos de dados.

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