Sakana AI raises $135M Series B at a $2.65B valuation to continue building AI models for Japan

As U.S. giants similar Google, OpenAI and Anthropic contention to make the ample connection models that underpin their AI products, startups specified arsenic Sakana AI, Mistral AI, DeepSeek and AI21 Labs are carving retired their ain niche with specialized models designed for circumstantial regions, industries, oregon unsocial features.

In pursuit of that goal, Tokyo-based Sakana AI has closed a ¥20 cardinal (approximately $135 million) Series B backing round, which values the institution astatine $2.65 cardinal post-money, up from a pre-money valuation of $2.5 billion, CEO David Ha told TechCrunch.

Founded successful 2023 by erstwhile Google researchers Llion Jones, Ren Ito and Ha, Sakana AI makes affordable generative AI models that enactment good with tiny datasets and are optimized for the Japanese connection and culture.

The Series B circular drew a premix of caller and returning investors, combining Japan’s fiscal heavyweights similar Mitsubishi UFJ Financial Group (MUFG) with planetary task players specified arsenic Khosla Ventures, Macquarie Capital, NEA, Lux Capital and In-Q-Tel (IQT).

“We program to deploy the caller superior for not lone R&D, including [AI] exemplary development, but besides to grow our workforce for engineering, sales, and organisation teams successful Japan,” Ha said. This year, Sakana has expanded its beingness successful Japan, teaming up with starring section enterprises, including Daiwa and MUFG, and developing AI solutions.

Ha, who antecedently led probe astatine Stability AI and worked astatine Google and Goldman Sachs, besides said Sakana plans to grow its endeavor concern beyond concern into the industrial, manufacturing, and authorities sectors successful 2026.

Looking ahead, the institution is eyeing the defense, quality and manufacturing sectors. The two-year-old startup besides said it volition beryllium “actively pursuing strategical investment, partnerships and M&A for semipermanent planetary growth.

Sakana says it sees beardown planetary request for sovereign AI solutions that bespeak “national cultures and values.” The Japanese startup added that focusing its R&D efforts connected AI products aft LLMs are trained helps it efficiently physique precocious models tailored to Japan, taking a way chiseled from the large-scale AI exemplary race.

This backing circular comes astir a twelvemonth aft the company’s Series A round, successful which it raised astir ¥30 cardinal ($214 million) astatine a $1.5 cardinal valuation. Sakana had raised astir $244 cardinal successful full arsenic of March 2025, according to PitchBook, truthful this circular would instrumentality that full to astir $379 million.