# Atom: Generative AI, Koto, Japan

> Atom: Atom is a humanoid robot built platform. Based in Koto, Japan. Founded 2025. What Millionrounds holds on them, and what we have not seen.

Source: https://millionrounds.com/startup/atom-4 (Millionrounds; every figure on the page links to its filing or article)

Japan · [Generative AI startup](https://millionrounds.com/companies)

# Atom

Atom is a humanoid robot built platform.

Funding reported Last round: Debt Financing

Generative AI Koto, Japan

Company summary

- **Founded:** 2025 1 year old
- **Team:** 1 1 to 10 people
- **Funding reported:** 34.6M as listed, currency not stated
- **Last round:** Debt Financing Aug 2026

How sure we are

- ✓ **Listed** We know it exists and what it does
- 2 **Funding reported** A company dataset reports a raise
- 3 **Observed** A filing or a dated announcement confirms a round

No round for Atom has been confirmed by a filing or an announcement yet, so nothing here counts toward an investor's record. [How we decide](https://millionrounds.com/methodology)

## What company datasets say Atom raised

Funding, as reported

Reported in all **34.6M** in the source's currency

Last round **Debt Financing**

Last round date **Aug 2026**

## On a portfolio page

Investors who name them

- [Sumisho Venture Partners](https://millionrounds.com/fund/sumisho-venture-partners)

Each firm lists Atom on its own website. That is the firm's claim, a weaker thing than a round we watched, but a named source.

## Generative AI in Japan

Startups like it

- [**Smoothie Studio** 品川区 · founded 2023](https://millionrounds.com/startup/smoothie-studio)

## Is this your company?

Add your raise, your deck and your story, and put Atom in front of investors. Or tell us what we have wrong.

[List your startup](https://millionrounds.com/list-your-startup)[Send a correction](https://millionrounds.com/corrections)