Startup
AAI&
株式会社エーアイ・アンド
#75 in the Japan Top 100 Startups
| Founded / HQ | 2024 · Tokyo |
|---|---|
| Cumulative raised | ¥7.5B “シード約75億円（5,000万ドル）” Company-stated cumulative · as of 25 Mar 2026 · ai& |
| Last round | 25 Mar 2026 · Seed · ¥7.5B 約75億円 |
| Latest public valuation | Not publicly disclosed (we do not estimate) |
| Unicorn | No |
| Website | www.aiand.com |
Overview
ai& is an AI infrastructure company building AI data centres, a research lab and model and inference services. It was incorporated in August 2024 as Unsung Fields and relaunched as ai& in March 2026, led by co-founders David Bennett (CEO) and Shinpei Hara (President). At launch it announced $50M (about ¥7.5B) in seed funding.
Built from: Launch release · Company page
Company timeline
Founded
| Date | 2024-08· ai& launch release |
|---|---|
| Founders | David Bennett, Shinpei Hara |
Funding
| Date | Round | Amount | Lead / key investors | Source |
|---|---|---|---|---|
| 2026-03-25 | Seed | $50M (≈¥7.5B) シード約75億円 | Company release |
Key hires & board
None compiled yet.
Milestones
| 2026-03-25 | CorporateRenamed from Unsung Fields and launched as ai&· Company release |
|---|
News
| 2026-09-03 | Blogs Running biology models: why we built JapanFold Eight open biology models, free to use, on hardware we own and operate in Japan. This is the inference infr Blogs Running biology models: why we built JapanFold Eight open biology models, free to use, on hardware we own and operate in Japan. This is the inference infr· ai& |
|---|---|
| 2026-09-03 | ai& and Tenstorrent Launch JapanFold, Bringing Open-Source, Sovereign Drug Discovery to Japan ai& and Tenstorrent launched JapanFold , a drug discovery platform ai& and Tenstorrent Launch JapanFold, Bringing Open-Source, Sovereign Drug Discovery to Japan ai& and Tenstorrent launched JapanFold , a drug discovery platform· ai& |
| 2026-07-27 | Kimi K3 on ai& Kimi K3 is being called “the clearest example yet of an open-weight model reaching frontier-level performance.” Moonshot AI’s newly released 2.8- Kimi K3 on ai& Kimi K3 is being called “the clearest example yet of an open-weight model reaching frontier-level performance.” Moonshot AI’s newly released 2.8-· ai& |
| 2026-06-29 | ai& Launches ai& inference: Frontier AI at up to 80% Lower Cost, Built on Heterogeneous Compute ai&, a vertically integrated global AI technology company, today ai& Launches ai& inference: Frontier AI at up to 80% Lower Cost, Built on Heterogeneous Compute ai&, a vertically integrated global AI technology company, today· ai& |
| 2026-06-02 | ai& and Plug and Play Japan Collaborate to Drive Enterprise AI Transformation with Sovereign Infrastructure ai& a vertically integrated global AI technology com ai& and Plug and Play Japan Collaborate to Drive Enterprise AI Transformation with Sovereign Infrastructure ai& a vertically integrated global AI technology com· ai& |
| 2026-05-22 | Videos From AI Ambition to AI Reality What It Takes to Execute at Scale AI has shifted from experimentation to foundational business infrastructure — and the or Videos From AI Ambition to AI Reality What It Takes to Execute at Scale AI has shifted from experimentation to foundational business infrastructure — and the or· ai& |
| 2026-05-22 | ai& and Ryoyo Ryosan Form Partnership to Accelerate Adoption of AI Inference Solutions in Japan ai& Inc. (headquartered in Yokohama, Kanagawa; Co-Founder & CEO: ai& and Ryoyo Ryosan Form Partnership to Accelerate Adoption of AI Inference Solutions in Japan ai& Inc. (headquartered in Yokohama, Kanagawa; Co-Founder & CEO:· ai& |
| 2026-05-19 | ai& and Tomorrow Net Collaborate to Move Enterprise AI from Pilot to Production ai& Inc., a vertically integrated global AI technology company headquartered in ai& and Tomorrow Net Collaborate to Move Enterprise AI from Pilot to Production ai& Inc., a vertically integrated global AI technology company headquartered in · ai& |
| 2026-05-14 | ai& and GENSHI AI Partner to Power Secure Medical AI Deployment in Japan ai& today announced that the company is collaborating with GENSHI AI Inc., a medical AI ai& and GENSHI AI Partner to Power Secure Medical AI Deployment in Japan ai& today announced that the company is collaborating with GENSHI AI Inc., a medical AI· ai& |
| 2026-03-25 | Seed: $50M (≈¥7.5B)· Company release |
Funding rounds in 2026
Grey amounts aren't counted in totals. † includes debt or other non-equity.