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Sakana AI

Tokyo-based AI lab building nature-inspired foundation models with evolutionary algorithms and collective intelligence approaches. Founded by former Google Brain researchers, Sakana explores novel architectures like model merging and swarm-based training to create efficient AI systems. A flagship Japanese AI startup attracting global talent and investment to Asia's AI ecosystem.

Foundation Models & AGI
Research Lab
David Ha· CEO & Co-Founder
Total Raised
$330M
Last Valuation
$2.0B
Founded
2023
Headquarters
Tokyo, Japan
Employees
80+

Overview

Sakana AI is a Tokyo-based artificial intelligence research laboratory founded by David Ha (former Google Brain researcher) and Llion Jones (co-author of the original Transformer paper). The company is developing a novel approach to AI using nature-inspired algorithms, including evolutionary computation and swarm intelligence, to create more efficient and adaptable AI systems. Sakana's research has produced breakthroughs in model merging — combining existing models to create more capable systems without expensive retraining. As Japan's most prominent AI startup, Sakana has attracted significant government support and investment, positioning Tokyo as a credible hub for frontier AI research alongside Silicon Valley and London.

Funding History

2 rounds · Jan 2024 – Nov 2025
$330M
Total Raised
2
Valuation: $2.0B
Cumulative: $330M

Japan's leading AI lab raises to expand nature-inspired foundation models.

Khosla Ventures (Lead)Lux CapitalNVIDIA
Source
1
Valuation: $200M
Cumulative: $30M

Transformer co-author's Tokyo AI lab raises initial round.

Lux Capital (Lead)Khosla Ventures
Source

Frequently Asked Questions

How much has Sakana AI raised in total?
Sakana AI has raised a total of $330M across 2 funding rounds.
Who are Sakana AI's investors?
Sakana AI's investors include Khosla Ventures, NVIDIA, Lux Capital.
What does Sakana AI do?
Sakana AI is a Tokyo-based artificial intelligence research laboratory founded by David Ha (former Google Brain researcher) and Llion Jones (co-author of the original Transformer paper). The company is developing a novel approach to AI using nature-inspired algorithms, including evolutionary computation and swarm intelligence, to create more efficient and adaptable AI systems. Sakana's research has produced breakthroughs in model merging — combining existing models to create more capable systems without expensive retraining. As Japan's most prominent AI startup, Sakana has attracted significant government support and investment, positioning Tokyo as a credible hub for frontier AI research alongside Silicon Valley and London.
When was Sakana AI founded?
Sakana AI was founded in 2023 and is headquartered in Tokyo, Japan.
Where is Sakana AI headquartered?
Sakana AI is headquartered in Tokyo, Japan.