AI/LLM · Azure
OpenAI
Trains and serves its own GPT frontier models on Microsoft Azure supercomputers (custom GPU clusters). Product data on Azure stores; the API/Responses platform fronts the models for developers.
Foundation proximity: Native (own / self-hosted weights)
Foundational models & how they consume them
PrimaryGPT (own frontier)· self-hosted on Azure · Native (own / self-hosted weights)
Cloud & datastore
AzureAzure Cosmos DBPostgreSQLblob storageCompliance
SOC 2GDPRCCPASimilar companies
AI21 LabsAleph AlphaAnthropicCohereContextual AIHugging FaceOthers that build on OpenAI · GPT
AbridgeAirbnbAirtableAmbienceAmplitudeAsanaExplore
FAQ
Does OpenAI use a foundational AI model?
OpenAI uses GPT (own frontier) (Native (own / self-hosted weights)).
What cloud does OpenAI run on?
OpenAI runs on Azure.
What database does OpenAI use?
OpenAI uses Azure Cosmos DB, PostgreSQL, blob storage.
How close does OpenAI run to the foundational model?
OpenAI is Native (own / self-hosted weights) — close to the metal, so cheaper tokens and more control over outputs.
Sources
openai.com ↗Also on the map
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Architecture inferred from public sources · confidence high · verify before betting on a detail.