◆ Gentoo Logic · Modeling Warehouse

Cloud · Azure

10 companies run on Azure

10 companies in the Modeling Warehouse run on Azure, and how directly they consume their foundational models. Avg Foundation Proximity Score 85/100.

Native 7Direct API 0Cloud-hosted 3Middleware 0

Inflection AI

AI/LLM · Azure · Native (own / self-hosted weights)

Trains its own Inflection models (now enterprise-focused) on Azure supercompute.

Microsoft

Platform · Azure · Native (own / self-hosted weights)

Owns the Phi small-model family and, via its OpenAI stake + Azure, sits as close to GPT as anyone.

OpenAI

AI/LLM · Azure · Native (own / self-hosted weights)

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.

ServiceNow

Enterprise · Azure · Native (own / self-hosted weights)

Trains its own Now Assist LLMs (with NVIDIA) on its workflow data.

Siemens

Industrial · Azure · Native (own / self-hosted weights)

Industrial Copilot built with Microsoft on Azure OpenAI over its own engineering/automation ML.

TomTom

Mapping · Azure · Native (own / self-hosted weights)

Mapping/location; own routing/map ML plus a Microsoft-partnered conversational in-car assistant on Azure OpenAI.

Wayve

Autonomous · Azure · Native (own / self-hosted weights)

Embodied-AI driving with its own generative world models (GAIA) and vision-language driving models (LINGO).

GitHub

DevTools · Azure · Cloud-hosted (Bedrock/Vertex/Azure)

Owned by Microsoft and migrating into Azure; the monolith is Ruby on Rails over horizontally sharded MySQL (Vitess) with a custom Git backend (Spokes/DGit). Copilot is built on OpenAI.

Harvey

Legal AI · Azure · Cloud-hosted (Bedrock/Vertex/Azure)

Legal-domain assistant built on OpenAI via Azure with bespoke legal retrieval.

ServiceTitan

Vertical SaaS · Azure · Cloud-hosted (Bedrock/Vertex/Azure)

Trades/field-services SaaS on Azure; AI assistants via Azure OpenAI over job/CRM data.

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