Companies

Sakana AI

sakana.ai

Sakana AI builds nature-inspired frontier AI systems and products for Japanese enterprises and public-sector organizations.

HQTokyo, Not applicable (non-US), Japan
Employees51-200
Funding$265M
Valuation$2.65B
2 active roles
Profile 6mo agoJobs checked 19h ago
AI / MLFoundation Model ProviderB2B SaaSSeries B$200M-$1B

About

Sakana AI is a Tokyo-based frontier AI R&D company building nature-inspired systems, including multi-agent foundation models, Japan-focused Namazu LLMs, The AI Scientist, and user-facing products. It works with large Japanese enterprises and the public sector; its differentiator is applying collective intelligence and nature-inspired adaptation to AI development.

Market

Sakana AI competes in the frontier AI research, foundation-model, and generative-AI market, positioning itself as a Tokyo-based R&D company focused on building frontier AI for Japan. It differentiates through nature-inspired collective intelligence, multi-agent and self-evolving AI research, and affordable models optimized for smaller datasets and Japanese language and culture, alongside work with large enterprises and the public sector.

Target Customers

Large enterprises and public-sector organizations in Japan seeking AI solutions tailored to Japanese language, culture, and national needs. Likely buyers include enterprise innovation, technology, and government digital-transformation leaders.

At a Glance

Problem

Sakana AI targets a Japan-specific productivity and AI-sovereignty gap. Japanese businesses want AI to improve productivity, but global platforms often do not fit Japanese workflows and decision-making, while domestic providers have historically focused more on applications than foundational AI. The urgency is amplified by labor shortages across manufacturing, logistics, energy, healthcare, and other sectors, as well as Japan’s need to regain ground in the global technology race.

The economic pain is the cost of scarce expert labor, slow knowledge work, and inefficient or poorly localized AI implementation. Sakana’s clearest wedge is high-value research and decision support: its Marlin product is intended to perform the kind of strategic research that a chief strategy officer and team might otherwise spend weeks completing, while its MUFG partnership applies AI first to internal banking workflows and decision-making. The broader thesis is that more efficient, Japan-tailored AI can deliver productivity gains without simply copying the capital- and compute-intensive approach of US frontier labs.

Product / Service

Sakana combines frontier AI research with applied enterprise delivery. Its research uses ideas from evolution, collective intelligence, model combination, sparsity, and other nature-inspired methods to build more efficient foundation-model systems. The commercial portfolio includes Sakana Chat and Translate, Marlin, and Fugu. Fugu packages a dynamically coordinated pool of specialized AI agents behind one model interface and API, allowing agents to be assembled and orchestrated without forcing customers to design the workflow themselves.

The company sells both software products and tailored implementations. Marlin is a professional research agent that autonomously forms hypotheses, searches the web, resolves contradictions, and produces structured strategic options; Sakana’s AI Scientist demonstrates the same automation thesis for scientific work by generating ideas, writing code, running experiments, producing papers, and reviewing them, with the company reporting an approximate cost of $15 per paper. For larger customers, Sakana positions itself in the layer between foundation models and enterprise applications, building domain-specific systems such as the three-year MUFG engagement, which began with internal workflows and is intended to expand into enterprise systems and additional banking domains.

Market

Sakana competes across generative AI, foundation-model research, agentic AI, and Japan-focused enterprise AI. Its broad frontier-model competitors include OpenAI, Google, Anthropic, and Meta; overlapping model and enterprise-AI competitors include Mistral AI, Cohere, AI21, Stability AI, and regional companies such as Sarvam. Sakana’s differentiation is not scale alone: it combines frontier research with Japanese language, culture, workflows, and business relationships, and targets the market for sovereign or locally adapted AI as well as enterprise agents and applications.

The evidence indicates that Sakana is commercially active rather than pre-revenue. The company says it has built a healthy and growing enterprise AI business with large Japanese enterprises, and it identifies MUFG and Daiwa Securities as strategic finance deployments; MUFG is using Sakana technology in internal workflows with a stated path toward broader implementation. Sakana raised $30 million in seed funding, approximately $200 million in Series A, and announced a Series B of ¥32 billion, or about $200 million; its Japanese announcement reported approximately $2.7 billion post-money valuation and $412 million in cumulative funding. A third-party estimate puts revenue at about $30 million, though that figure is less authoritative than the company’s disclosed partnerships and funding announcements.

Founders & Leadership

David HaFounder
CEO
Ren ItoFounder
Chairman
Llion JonesFounder
CTO
Hiroki TaniguchiHead of Business Development Division

Funding History

2024-01
Seed$30M

Lux Capital

2024-09
Series AApproximately $200M

New Enterprise Associates, Khosla Ventures, Lux Capital

2025-11
Series B$135M

Not disclosed in the retrieved sources

2026-01
Series BUndisclosed

Google (listed by Tracxn as an other investor; lead not disclosed)

2026-02
Series BUndisclosed

Citi (listed by Tracxn as an other investor; lead not disclosed)

2026-03
Series BUndisclosed

Mitsubishi Electric (listed by Tracxn as an other investor; lead not disclosed)

Recent News

2026-07-24product
Announcing Fugu-Ultra v1.1 and Claude Code interface for Sakana Fugu

Sakana AI announced Fugu-Ultra v1.1 and Claude Code-compatible endpoints, making its multi-agent system more accessible through Claude Code.

2026-07-21product
Introducing Fugu-Cyber: our new orchestration model that achieves state-of-the-art performance benchmarks

Sakana AI introduced Fugu-Cyber, a new orchestration model positioned as achieving state-of-the-art benchmark performance.

2026-07-18product
Sakana AI Launches Fugu, a Model That Routes Around Export Controls

Sakana AI launched Fugu, a multi-agent model described as routing around export controls and dynamically coordinating specialized AI agents.

2026-03-26
The AI Scientist: Towards Fully Automated AI Research, Now Published in Nature

Sakana AI announced that its work on The AI Scientist had been published in Nature, marking a major peer-reviewed publication for the company’s automated AI-research project.

2026-03-24product
Sakana AI launches Sakana Chat, a Japan-focused free AI service

Sakana AI launched Sakana Chat, a free chatbot tailored to the Japanese market and intended to provide a locally developed alternative to global AI services.

2026-02-25partnership
Datadog and Sakana AI Announce Strategic Partnership to Advance AI Innovation and Observability for Enterprises

Datadog and Sakana AI announced a strategic partnership combining Sakana AI’s research expertise with Datadog’s observability and security platform for enterprise AI use cases.

2026-02-24funding
Citi Makes Strategic Investment in Sakana AI To Advance Innovation in Financial Services

Citi made a strategic investment in Sakana AI to advance innovation in financial services. Sakana AI described it as Citi’s first strategic investment in a Japanese company.

2026-01-23partnership
Sakana AI announces strategic partnership and investment from Google

Sakana AI announced a strategic partnership with Google, including a financial investment intended to strengthen the collaboration. The investment database record dates Google’s Series B participation to January 23, 2026.

2025-11-17funding
Sakana AI raises $135M Series B at a $2.65B valuation to continue building AI models for Japan

Sakana AI closed a ¥20 billion, approximately $135 million, Series B round at a $2.65 billion post-money valuation. The company said it would use the capital for model development and expansion of engineering, sales, and distribution teams in Japan.

2025-10-16
ShinkaEvolve in Action: How a Human-AI Partnership ...

Sakana AI published a case study from the 2025 ICFP Programming Contest showing how it applied ShinkaEvolve, its evolutionary code-optimization framework, in collaboration with human participants.

Active Roles

2

Business Model

Sakana AI appears to use a hybrid model combining paid usage of AI products—such as Fugu, which uses blended-rate billing—with customized AI solution development and deployment for large Japanese enterprises and public-sector customers. The evidence does not disclose a company-wide pricing structure or revenue split.

Products

The AI ScientistMulti-Agent Orchestration Foundation ModelsNamazu LLMs for JapanDarwin Gödel MachineSakana ChatSakana TranslateMarlinFugu

Customers

MUFG BankDaiwa Securities

Tech Stack

Large language models (LLMs)Generative AIMultimodal models for text, images, video, code, and multimediaMulti-agent orchestrationNature-inspired collective intelligence architecturesJapanese-language and culture-optimized AI models

Competitors

OpenAI
Mistral AI
Anthropic

Key Investors

NEA, Khosla Ventures, Lux Capital, Mitsubishi UFJ Financial Group (MUFG)