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.

76
amptalk

Enterprise in Japan

Tokyo, Japan51–200Artificial Intelligence, SaaS
Series ATotal funding$7.2MDec 2024
77
SORABITO

SORABITO provides digital services for construction equipment rental companies, improving rental ...

Tokyo, Japan11–50Artificial Intelligence, SaaS
Series ATotal funding$7.1MApr 2025
78
VARIETAS

VARIETAS provides HR AI agents that cover a company's full hiring process, using ES-based intervi...

Tokyo, Japan1–10Artificial Intelligence, HR Tech
SeedTotal funding$7.0MMay 2026
79
Adacotech

Licensed sales of machine learning systems centered on higher-order local auto correlated extract...

Tokyo, Japan11–50Artificial Intelligence, SaaS
Series BTotal funding$6.9MMay 2022
80
BlueWX

Weather AI in Japan

Tokyo, Japan1–10Aerospace, Artificial Intelligence
SeedTotal funding$6.8MMay 2026
81
AMI Co.

Stethoscope with automatic cardiac disease diagnosis

Kagoshima, Japan1–10Artificial Intelligence, Healthcare
Series BTotal funding$6.7MJul 2023
82
monoAI Technology

Japanese XR and metaverse company offering VR/AR services, metaverse platforms, and XR testing fo...

Kobe, Japan51–200Artificial Intelligence
Venture RoundTotal funding$6.5MJan 2022
83
Prodrone Co.

Industrial drone with high performance and reliability for custom development

Nagoya, Japan11–50Artificial Intelligence, Defense Tech
Venture RoundTotal funding$6.3MOct 2020
84
Aww

Virtual human and AI company reimagining storytelling.

Tokyo, Japan11–50Artificial Intelligence
SeedTotal funding$6.0MJun 2024
85
NABLA Mobility

NABLA Mobility builds machine-learning software that helps airlines improve flight operations, fu...

Tokyo, JapanAerospace, Artificial Intelligence
Series ATotal funding$5.3MMay 2025
86
Yuimedi

Yuimedi aims to unlock the usage of valuable medical data to enable medical research, serving med...

Tokyo, Japan11–50Artificial Intelligence, Healthcare
Venture RoundTotal funding$5.1MFeb 2026
87
RICHKA

Creative technology company using AI for automated video and ad generation.

JapanArtificial Intelligence, Marketing Tech
Venture RoundTotal funding$5.0MSep 2021
88
Spiral.AI

AI in Japan

Tokyo, Japan11–50Artificial Intelligence, SaaS
SeedTotal funding$5.0MApr 2026
89
Zenkigen

Video-Based Recruiting Service

Tokyo, Japan51–200Artificial Intelligence, SaaS
Series BTotal funding$5.0MMay 2020
90
Eight Knot Co.

Making all types of water mobility autonomous through robotics and AI

Japan1–10Artificial Intelligence
SeedTotal funding$4.9M
91
Taian

Tokyo-based AI startup specializing in experience automation for celebrations, events, and hospit...

Tokyo, JapanArtificial Intelligence, SaaS
Series ATotal funding$4.7MNov 2024
92
Citadel AI
Tokyo, Japan11–50Artificial Intelligence, Cybersecurity
Series ATotal funding$4.6MJul 2023
93
Shaperon

Shaperon builds compliance AI software that helps pharmaceutical and other regulated companies re...

Tokyo, JapanArtificial Intelligence, Healthcare
Series BTotal funding$4.6MJan 2026
94
CULTA

New crop breeding and produce sales

Koganei, Japan1–10Artificial Intelligence
Venture RoundTotal funding$4.4MApr 2026
95
PocketRD

VR R&D in Japan

Tokyo, JapanArtificial Intelligence, Crypto & Web3
Series BTotal funding$4.3MNov 2021
96
Zaimo

"Zaimo.ai" business management AI agent for easy business plan and forecast management

Tokyo, Japan1–10Artificial Intelligence, Fintech
Series ATotal funding$4.3MNov 2025
97
Calaris

Two-way dialogue-driven AI assessment that draws out true capability through natural conversation

Tokyo, Japan1–10Artificial Intelligence, SaaS
SeedTotal funding$3.7M
98
Asilla
Tokyo, Japan11–50Artificial Intelligence, Computer Vision
Venture RoundTotal funding$3.7MSep 2022
99
SIMPLEX QUANTUM

SIMPLEX QUANTUM develops AI medical diagnostics that stage heart failure from a single-lead elect...

Tokyo, JapanArtificial Intelligence, Diagnostics
Series ATotal funding$3.5MDec 2022
100
immedio

Business negotiation automation service completing entire negotiation process online

Tokyo, Japan11–50Artificial Intelligence, SaaS
Series ATotal funding$3.3MJul 2024