Sakana AI
sakana.ai
Actively hiring
LLM & Generative AI
Foundation Models
AI Research Labs
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Jobs
Financials
Funding and backers
Hiring now
23
+4 posted in 30 days
Backers
11
500 Global, Geodesic Capital
Momentum
32/100
hiring for its size, a new city, in the news
Last sign of life
this month
a posting or a news item
The story so fareach stage dated by its source: the company's releases, the press, registers, filings
Jun 22
Launched Sakana AI Releases 'Fugu Ultra' to Match Frontier Performance · sakana.ai
Jun 22
On the Hacker News front page Sakana Fugu · 247 points
Jan 23
Partnership Sakana AI Announces Strategic Partnership with Google · sakana.ai
May 30, 2025
On the Hacker News front page The Darwin Gödel Machine: AI that improves itself by rewriting its own code · 250 points
May 19, 2025
Partnership Sakana AI announces a multi-year partnership with MUFG Bank · sakana.ai
Dec 24, 2024
On the Hacker News front page Automating the search for artificial life with foundation models · 170 points
Aug 13, 2024
On the Hacker News front page The AI Scientist: Towards Automated Open-Ended Scientific Discovery · 203 points
2023
Founded
Tractionpublic signals, read monthly
Web presence
top 0.02%
of 133.2M domains by links, Common Crawl
Hacker News stories
89
best: 315 points
Backed byfrom the funds' portfolios and accelerator catalogs
500 Global 
Geodesic Capital 
Global Brain 
Khosla Ventures 
Lux Capital 
Miyako Capital 
Mouro Capital 
NEA 
NTT Docomo Ventures 
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Overview
Sakana AI is a Tokyo research laboratory taking a nature inspired approach to foundation models, favouring collective intelligence and evolutionary methods over ever larger single models. Its published work includes evolutionary model merging, the AI Scientist system that runs a full research cycle end to end, and Japanese language model research. The company was founded by former Google researchers including a co-author of the transformer paper and has become Japan's most prominent artificial intelligence startup.
News
2026 Latest Japan's Sakana AI's "Fugu Ultra v2" Makes Waves by Surpassing GPT-6 AstraAI先生
I couldn't help but speak out when I saw the news about the new "Fugu Ultra v2" and "Fugu Max" models announced by Japanese AI startup Sakana AI on September 11, 2026. Even though they work by combining multiple AI models, they were reported to have recor
Read more
Report
The Practical Implementation Phase of Domestic AI as Seen in Sakana AI's PartnershipsMCUBE USA
There is a noticeable shift in the domestic AI development scene as players finally move from "building" to "using." The announcement of a comprehensive partnership between Sakana AI, SCSK, and Sumitomo Corporation is symbolic of this, with the three comp
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Report
Augmented Lagrangian Predictive Coding: training 1000-layer networks without backpropagation
We introduce PC-ALM, a local alternative to backpropagation. PC-ALM trains residual MLPs up to 1000 layers, nearly matching backprop
Read more
Report
Report
Learning Multi-Agent Coordination via Sheaf-ADMM
Sheaf-ADMM: a different way to build a neural network based on multi-agent consensus, at the intersection of sheaf theory and ADMM for distributed consensus.
Read more
Report
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Tech stack
Technologies named in job postings at Sakana AI over the last 12 months, by layer, with the share of postings for each.
Technologies in use
44
Postings analysed
15
Stack modernity
84/100AI adopter
Languages
Python33%
JavaScript20%
Java13%
Node JS13%
Frameworks & libraries
PoC Library27%
Next.js20%
React.js20%
SvelteKit7%
Cloud & platforms
AWS40%
Azure27%
GCP27%
Kubernetes13%
AI & ML
Claude20%
LLM20%
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Full Sakana AI tech stack
44 technologies · by team · pay by technology · changes · similar stacks
Growth
Hiring Momentum
59/100
Growing
Open positions
23
3 opened / 0 closed in 30 days
ATS activity
Every ~4 hours
Today
Hiring Dynamics
+100%
Hiring Focus
The percentage next to each role is its share of the company's job openings over the last 90 days; the arrow shows the shift versus the previous period.
Management
30% ▲
Backend
17% ▼
Security
13% ▼
Solutions
13%
AI/ML
9% ▲
DevOps
4% ▲
Activity Timeline
New location: Minato
Sep 2026
Offices
Where the company hires and what each office is for
Cities
2
Hiring now
2
Countries
1
Busiest office
Tokyo
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Headquarters
Builds here
Office with open vacancies
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Tokyo
Japan
HQ
1 open roles 1 posted in 90 days 100% engineering
hires for Backend
Minato
Japan
Regional office
22 open roles 22 posted in 90 days 41% engineering
hires for Management, Backend, Security
Jobs
In office • Full-Time • Minato
Copilot
Cursor
Claude
Model Context Protocol
Function Calling
AI Agents
Devin
Management
Gmail
Apply
Apply
≈ $52k – $119k per year (Estimated) • In office • Full-Time • Minato
AI Agents
DevOps
GCP
Azure
AWS
Chips/EDA
PoC Library
Management
Gmail
Apply
In office • Full-Time • Minato
Python
JavaScript
Java
TypeScript
LangGraph
LangChain
Model Context Protocol
MLFlow
Function Calling
AI Agents
Langfuse
LLM
OpenAI
Anthropic
LLMOps
OpenAI Agents SDK
Multi-Agent Systems
Mastra
Frontend
Next.js
React.js
DevOps
Terraform
GCP
OpenTelemetry
Datadog
Prometheus
Azure
CI/CD
AWS
Kubernetes
Platform Engineering
Management
Gmail
Apply
≈ $31k – $79k per year (Estimated) • Hybrid • Full-Time • 3+ years exp • Tokyo
Python
Apply
Apply
Apply
In office • Full-Time • Minato
Python
GCP
Azure
AWS
Docker
Kubernetes
Management
Gmail
Apply
In office • Full-Time • Minato
Python
Go
JavaScript
Java
Node JS
Copilot
Frontend
Next.js
React.js
DevOps
AWS
Management
Gmail
Apply
In office • Full-Time • Minato
Python
JavaScript
TypeScript
Node JS
Multimodal AI
Frontend
Svelte
Next.js
React.js
SvelteKit
DevOps
AWS
Management
Gmail
Apply
≈ $37k – $97k per year (Estimated) • In office • Full-Time • Minato
PoC Library
Management
Gmail
Scrum
Apply
≈ $37k – $97k per year (Estimated) • In office • Full-Time • Minato
PoC Library
Management
Gmail
Scrum
Apply