All Rankings

Top AI Startups in Japan 2026

Private artificial intelligence and machine learning companies headquartered in Japan, ranked by disclosed lifetime funding.

Known total funding for 100 of 100 ranked companies: $3.4B.

Showing top 100 matching companies · Ranked by total funding raised · Last updated

Methodology: up to 100 active companies matching this list's filters are ordered by disclosed total funding in USD. Companies whose latest round is one of: Grant, Private Equity, Debt Financing are excluded. Totals include recorded grants and other qualifying funding, not just equity. Open a company profile for its funding summary and available detail. How this data is built.

1
Sakana AI

Sakana AI develops frontier AI research and solutions for Japan’s largest enterprises and public ...

Tokyo, Japan51–200Artificial Intelligence, Infrastructure
Series BTotal funding$414.0MMay 2026
2
SmartNews

SmartNews delivers personalized news discovery through AI and editorial curation, helping readers...

Tokyo, Japan201–500Artificial Intelligence, SaaS
Series FTotal funding$272.2MSep 2021
3
CADDi

AI data platform for manufacturing that digitizes engineering drawings and procurement data to he...

Tokyo, Japan501–1000Artificial Intelligence, Manufacturing
Extension RoundTotal funding$235.0MMar 2025
4
Telexistence

Remote robotics in Japan

Tokyo, Japan51–200Artificial Intelligence
Series BTotal funding$190.0MJul 2023
5
Preferred Networks

Japanese deep learning AI company developing AI chips, computing infrastructure, generative AI fo...

Tokyo, Japan201–500Artificial Intelligence, Robotics
Extension RoundTotal funding$160.5MJun 2025
6
Tier IV

Japanese autonomous driving company developing open-source software (Autoware) to advance self-dr...

Tokyo, JapanArtificial Intelligence
Series ATotal funding$130.5MMay 2019
7
AI Medical Services

Japanese medtech company developing AI-powered endoscopy diagnostic tools to detect gastrointesti...

Tokyo, Japan51–200Artificial Intelligence, Diagnostics
Series BTotal funding$121.9MOct 2019
8
METRICA

End-to-end IT solutions spanning system and AI agent development

JapanArtificial Intelligence, SaaS
Series BTotal funding$100.0MAug 2021
9
Data X

Data-X offers a solution called ‘b-dash’, an integrated data-driven marketing SaaS platform in Japan

Tokyo, JapanArtificial Intelligence, SaaS
Series DTotal funding$93.9MAug 2019
10
Cinnamon

Tokyo-based enterprise AI startup automating document data extraction from unstructured documents...

Tokyo, Japan51–200Artificial Intelligence, Productivity
Series CTotal funding$77.0MOct 2025
11
RevComm

RevComm uses voice technology and AI to eliminate communication friction and develop AI-enabled c...

Tokyo, JapanArtificial Intelligence, SaaS
Series BTotal funding$66.2MJul 2026
12
Craif

Craif develops next-generation tests for early disease detection and personalized medicine, focus...

Nagoya, Japan11–50Artificial Intelligence, Biotech
Series DTotal funding$55.0MAug 2026
13
RUTILEA

Kyoto-based RUTILEA provides AI application development, server infrastructure to run AI, data ut...

Kyoto, Japan51–200Artificial Intelligence, Developer Tools
Series DTotal funding$54.0MAug 2024
14
SkyDrive

Largest airmobility startup in Japan developing air mobility solutions

Toyota, Japan51–200Artificial Intelligence, Space Tech
Series DTotal funding$52.1MJul 2025
15
Alivexis

Alivexis is a technology-driven drug discovery enterprise with operational foundations in Japan a...

Tokyo, Japan11–50Artificial Intelligence, Biotech
Series DTotal funding$51.9MJan 2025
16
Aimed

Tokyo based Telemedicine company

Tokyo, Japan51–200Artificial Intelligence, Healthcare
Series CTotal funding$50.3MApr 2022
17
Stockmark

NLP AI SaaS

Tokyo, Japan51–200Artificial Intelligence, SaaS
Series DTotal funding$45.9MOct 2024
18
Ubie

Japanese AI health startup offering an AI-powered symptom checker for patients and clinical workf...

Tokyo, Japan51–200Artificial Intelligence, Healthcare
Extension RoundTotal funding$45.2MJun 2025
19
株式会社Synspective

小型SAR衛星の開発・運用とデータソリューション

Koto-ku, JapanArtificial Intelligence, Defense Tech
Series CTotal funding$44.0MJun 2024
20
ZEALS Co.

Information Technology (DX, AI, Internet Service) - Middle to Growth

Tokyo, JapanArtificial Intelligence, E-Commerce
Series ETotal funding$38.8MMay 2022
21
Aillis

Aillis develops AI medical devices that use throat photographs and patient interview information ...

Tokyo, Japan51–200Artificial Intelligence, Healthcare
Series DTotal funding$35.0MNov 2024
22
Mico

Japanese AI-driven communication platform optimizing customer interactions via LINE and SMS for b...

Tokyo, Japan201–500Artificial Intelligence, SaaS
Series BTotal funding$33.6MDec 2023
23
double jump.tokyo

Developing blockchain-based games and applications

Tokyo, Japan51–200Artificial Intelligence, Crypto & Web3
Venture RoundTotal funding$33.0MAug 2024
24
Floadia Corporation

Non-volatile memory IP business

Tokyo, Japan11–50Artificial Intelligence
Series DTotal funding$31.5MJan 2023
25
Solafune

Solafune integrates intelligence across space, cyber, and physical domains to create actionable, ...

Tokyo, Japan11–50Artificial Intelligence, Defense Tech
Series ATotal funding$31.3MMar 2026