Sakana AI

Tokyo research lab building nature-inspired and efficient AI models

Overview

Sakana AI is a Tokyo-based research company developing AI models using methods inspired by natural evolution and collective intelligence, with a commercial focus on Japanese enterprises, finance and government. On 17 November 2025 it announced a Series B of about ¥32 billion at a post-money valuation of about ¥432 billion, with investors including MUFG, Khosla Ventures, Factorial, Macquarie Capital, Mitsubishi Electric, Google and In-Q-Tel[56]. At the ECB cross rate for that day, ¥432 billion equals about US$2.8 billion[57]. In early 2026 it announced a partnership with Google (23 January) and strategic investments from Salesforce Ventures (19 February) and Citi (24 February)[56]. Sakana has not published revenue, and its scale is small compared with US and Chinese labs.

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