Japan's domestic LLMs rely on foreign architectures, not full-scratch development

Japan's pursuit of domestic Large Language Models (LLMs) often involves adapting existing foreign architectures, rather than building entirely from the ground up. Many so-called "full-scratch" Japanese LLMs utilize established American model frameworks, referred to as the "skeleton," and augment them with Japanese-specific training data, which acts as the "muscle." This approach means that truly novel, independently developed LLM architectures from Japan are uncommon. AI

IMPACT Highlights the challenges and common strategies in developing national AI capabilities, particularly LLMs.

RANK_REASON Analysis of a country's AI development strategy.

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