Meta ships Muse Spark 1.3, its fourth version in five months, with better reasoning and agent skills

Meta 发布 Muse Spark 1.3，智能体与科学推理能力提升

Meta released Muse Spark 1.3, the fourth version in five months. The xhigh variant scored 61 on the Artificial Analysis Intelligence Index, with gains in scientific reasoning and agent capabilities. The post doesn't spell out specific improvements or training details.