Conglomerate (Japan) · Hybrid
SoftBank
Telecom/investment group building its own Japanese LLMs (Sarashina) plus partner models; major AI-infra investor.
Foundation proximity: Native (own / self-hosted weights)
Foundational models & how they consume them
Primaryown ML· self-hosted · Native (own / self-hosted weights)
Secondarypartner LLM· partners · Cloud-hosted (Bedrock/Vertex/Azure)
Cloud & datastore
HybridownCompliance
ISO 27001Others that build on proprietary / self-built models
Abnormal SecurityAbridgeAdobeAI21 LabsAleph AlphaAmbienceExplore
FAQ
Does SoftBank use a foundational AI model?
SoftBank uses own ML, partner LLM (Native (own / self-hosted weights)).
What cloud does SoftBank run on?
SoftBank runs on Hybrid.
What database does SoftBank use?
SoftBank uses own.
How close does SoftBank run to the foundational model?
SoftBank is Native (own / self-hosted weights) — close to the metal, so cheaper tokens and more control over outputs.
Sources
softbank.jp ↗Also on the map
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