米OpenAIは3月5日（日本時間）、「GPT‑5.4」を発表した。同社でもっとも高性能かつ効率的な業務用途向けフロンティアモデルだ。

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This study used pupillometry to provide an objective assessment of a form of synesthesia in which people see additional color when reading numbers. It provides convincing evidence that subjective ...