
We make brand leaders’ work easier.
No translation. No copywriting.
Welcome to the self‑driving era of content—AI proposes, local consumers perfect, and YOU approve.
Brand‑safe by design.

Welcome to Tetra Tokyo.
We’re an AI creative startup reshaping the advertising industry.
We aim for happiness.
We celebrate diversity.
We believe in the power of technology.
We break down language barriers.
We create a future where brands cross borders and coexist with the communities they serve.
Let us help your brand become globally loved —
just like these brands we've had the pleasure of working with.
Making a Global Debut Happen
through the collaboration of our AI copywriter and gig worker platform
Our goal is to create a future where amazing products are loved all over the world.
With Tetra-X.ai, we ensure speed, efficiency, and authenticity,
allowing all passionate producers and artisans to receive the recognition they deserve.
To Brand Managers:
No translators. No copywriters.
Welcome to the self-driving era of brand content.
Stay strategic—AI proposes, consumers perfect, and YOU approve.

Where Culture Meets
Brand Strategy

On‑brand.
Your brand’s integrity—consistently.
A custom AI that rigorously enforces your brand guidelines works as part of your team, delivering a consistent brand voice across every customer touchpoint. It also engages in conversation.
Starting with Japanese.
As a sample of Brand AI, have a listen to the radio program we supported with our AI technology.
“AI Shoko” — a 20‑year‑old from 1945 — crosses time to talk about love with today’s university students.
Play it on Spotify here.
News
📰 Latest News
【2025.08.10】The FM AICHI radio program we supported with AI technology aired.
【2025.08.8】The Hong Kong entity, Tetra Tokyo Hong Kong, was established.
【2025.03.31】Tetra-X.ai has received its Japanese patent (Patent No. 7658625)
【2025.03.8-12】Showcased our solution at SXSW 2025 at the Aichi Booth
【2025.02.7】Graduated from the Berkeley SkyDeck IPP with support from JETRO
【2024.11.5-10】Participated in CIIE 2024 and the Plug and Play program by Aichi
【2024.10.28-30】Exhibited at TechCrunch Disrupt 2024 in JETRO’s Japan Pavilion
【2024.10.2】We were selected as a member of the Japan Innovation Campus
Our
CLIENTS
Tetra Tokyo, including Toshi Ichikawa as a freelancer, has helped many clients (see below) both directly and indirectly.
Tetra Tokyo is happy to continue working with these clients as well as welcomes future opportunities with many new clients. The goal is for mutual happiness among all "tetra" (four) parties: consumer, client, creative resources, and media, with Tetra Tokyo performing as a core of them.























Tetra Tokyo, Inc.