Sakana AI raises $135M Collection B at a $2.65B valuation to proceed constructing AI fashions for Japan

As U.S. giants like Google, OpenAI and Anthropic race to develop the massive language fashions that underpin their AI merchandise, startups resembling Sakana AI, Mistral AI, DeepSeek and AI21 Labs are carving out their very own area of interest with specialised fashions designed for particular areas, industries, or distinctive options.

In pursuit of that aim, Tokyo-based Sakana AI has closed a ¥20 billion (roughly $135 million) Collection B funding spherical, which values the firm at $2.65 billion post-money, up from a pre-money valuation of $2.5 billion, CEO David Ha advised TechCrunch.

Based in 2023 by former Google researchers Llion Jones, Ren Ito and Ha, Sakana AI makes inexpensive generative AI fashions that work nicely with small datasets and are optimized for the Japanese language and tradition.

The Collection B spherical drew a mixture of new and returning buyers, combining Japan’s monetary heavyweights like Mitsubishi UFJ Monetary Group (MUFG) with international enterprise gamers resembling Khosla Ventures, Macquarie Capital, NEA, Lux Capital and In-Q-Tel (IQT).

“We plan to deploy the new capital for not solely R&D, together with [AI] mannequin improvement, but additionally to broaden our workforce for engineering, gross sales, and distribution groups in Japan,” Ha mentioned. This yr, Sakana has expanded its presence in Japan, teaming up with main native enterprises, together with Daiwa and MUFG, and developing AI solutions.

Ha, who beforehand led analysis at Stability AI and labored at Google and Goldman Sachs, additionally mentioned Sakana plans to broaden its enterprise enterprise past finance into the industrial, manufacturing, and authorities sectors in 2026.

Trying forward, the firm is eyeing the protection, intelligence and manufacturing sectors. The 2-year-old startup additionally mentioned it will likely be “actively pursuing strategic funding, partnerships and M&A for long-term international development.

Sakana says it sees sturdy international demand for sovereign AI options that replicate “nationwide cultures and values.” The Japanese startup added that focusing its R&D efforts on AI merchandise after LLMs are skilled helps it effectively construct superior fashions tailor-made to Japan, taking a path distinct from the large-scale AI mannequin race.

This funding spherical comes roughly a yr after the firm’s Collection A spherical, through which it raised about ¥30 billion ($214 million) at a $1.5 billion valuation. Sakana had raised roughly $244 million in whole as of March 2025, in accordance to PitchBook, so this spherical would take that whole to about $379 million.