From the source
Trustworthy local AI for on-prem, in private cloud, or on your own GPUs Efficient and mighty: light, fast, and yet precise at under 32B parameters Upstage introduces Syn Pro—a major leap forward for Japan’s AI future with the release of Syn Pro, a next-generation Japanese Large Language Model (LLM) co-developed locally with Karakuri Inc. , a leader in Japanese AI development.
Already earning top-tier recognition on the global stage, Syn Pro is Japan’s top-performing locally trained LLM — ranked #1 under 32B parameters and placed in the global top 20 on the Nejumi Leaderboard by Weights & Biases Japan .
In Japanese-language tasks, Syn Pro outperforms even larger models like GPT OSS-120B, delivering the precision and cultural nuance required by Japan’s most demanding industries.
Purpose-built for Japan’s enterprises and public institutions, Syn Pro reflects deep linguistic, regulatory, and cultural alignment — and is deployable entirely on-premises, in private cloud, or through integrated hardware.
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Syn Pro is built for Japan, trained by Japan.
Co-developed with Karakuri Inc., it understands Japanese language, culture, and business logic at a native level.
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