Sakana AI

Sakana AI Co, Ltd.
Native name
Sakana AI株式会社
Company type
Private
IndustryInformation technology
FoundedJuly 2023; 2 years ago (July 2023)
Founders
  • David Ha
  • Llion Jones
  • Ren Ito
Headquarters
Tokyo
,
Japan
Number of employees
20 (2024)[1]
Websitesakana.ai

Sakana AI Co, Ltd. is a Japanese artificial intelligence company based in Tokyo.

Overview

Sakana AI's main research fields are evolution and collective intelligence of AI. The company's name is derived from the Japanese word for fish. This represents the idea of a school of fish coming together and forming a coherent entity from simple rules, which is an analogy for collective intelligence.[2]

The company was founded by David Ha, Llion Jones and Ren Ito. Llion Jones co-authored the famous paper "Attention Is All You Need" when he was working for Google in 2017. The company raised $30M in its seed funding round from Lux Capital and Khosla Ventures.[3] The company raised approximately $200M from companies such as Mitsubishi UFJ, SMBC, Mizuho, Itochu, KDDI, Nomura and Nvidia in its series A funding round in 2024.[4]

In January 2024, Sakana AI developed a method to build new AI models by 'breeding' multiple existing models, which it sees as a means to democratise AI development, as this process does not require large computational resources.[5] Sakana AI is also developing a model called the AI Scientist, which automates the entire process of scientific research.[6] The Nikkei estimated the company's value at 19 billion yen in 2024.[7] As of late 2025, Tokyo-based Sakana AI is valued at approximately $2.6 billion to $2.65 billion (¥400 billion), cementing its position as one of Japan's most valuable AI startups. This valuation follows a ¥20 billion ($135 million) Series B funding round announced in November 2025, which saw participation from major investors including Mitsubishi UFJ Financial Group (MUFG), Lux Capital, and In-Q-Tel.[8]

See also

References

  1. ^ Lee, Min Jeong; Ahn, Shery (2024-09-17). "AI Startup Sakana Hits $1.5 Billion Value as Japan Inc. Piles In". Bloomberg News.
  2. ^ AI, Sakana (2024-01-16). "Sakana AI". sakana.ai. Retrieved 2024-12-29.
  3. ^ "AI開発､｢シリコンバレーに限らず｣ サカナAIに投資のVC - 日本経済新聞 (AI Innovation Isn't Just Coming from Silicon Valley, Says VC Partner)". 日本経済新聞 電子版 (The Nikkei) (in Japanese). Retrieved 2025-05-20.
  4. ^ 浦中美穂 (2024-09-17). "サカナＡＩに3メガバンクなど出資 一連の資金調達約300億円". Reuters (in Japanese). Retrieved 2025-05-20.
  5. ^ AI、複数技術の「掛け合わせ」で進化 Sakana AIが新手法. 日本経済新聞 (in Japanese). 2024-03-21. Retrieved 2024-12-29.
  6. ^ Dignan, Larry (2024-08-14). "Sakana AI aims to automate scientific research with genAI". Constellation Research Inc. Retrieved 2024-12-29.
  7. ^ "リージョナルフィッシュ､企業価値400億円超に 関西未上場スタートアップで首位". 日本経済新聞 (in Japanese). 2024-12-26. Retrieved 2024-12-29.
  8. ^ AI, Sakana (2025-11-17). "Sakana AI". sakana.ai. Retrieved 2026-02-25.

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