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日本発AIユニコーンの現在地——Sakana AIとPreferred Networksが描く反転攻勢

Japan's AI Unicorns at a Crossroads: How Sakana AI and Preferred Networks Are Plotting a Comeback

Japan's AI scene, long dismissed as a laggard, is shifting in 2026. Sakana AI—founded by ex-Google researchers including Transformer co-author Llion Jones—closed a Series B totaling roughly 32 billion yen at a $2.65–2.7B valuation, plus a strategic Google partnership in January 2026. Preferred Networks is betting on its in-house MN-Core L1000 chip with 3D-stacked memory and a new AI cloud joint venture with Mitsubishi Corp and IIJ, directly challenging Nvidia dependency. Backed by a planned ¥1 trillion, five-year government program and players like ELYZA, rinna and Stockmark, Japan is carving a distinct path: efficiency, hardware integration, and Japanese-language depth—rather than head-on competition on frontier model scale.

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Japan's AI Unicorns at a Crossroads: How Sakana AI and Preferred Networks Are Plotting a Comeback

Japan's AI scene, long dismissed as a laggard, is shifting in 2026. Sakana AI—founded by ex-Google researchers including Transformer co-author Llion Jones—closed a Series B totaling roughly 32 billion yen at a $2.65–2.7B valuation, plus a strategic Google partnership in January 2026. Preferred Networks is betting on its in-house MN-Core L1000 chip with 3D-stacked memory and a new AI cloud joint venture with Mitsubishi Corp and IIJ, directly challenging Nvidia dependency. Backed by a planned ¥1 trillion, five-year government program and players like ELYZA, rinna and Stockmark, Japan is carving a distinct path: efficiency, hardware integration, and Japanese-language depth—rather than head-on competition on frontier model scale.