Abridge
Healthcare · AWS · Native (own / self-hosted weights)
Ambient clinical-documentation AI with its own medical models plus partner LLMs, grounded in clinician audio.
Who builds on OpenAI · GPT
106 companies in the Modeling Warehouse build on OpenAI · GPT, ranked by how directly they consume it — Native first, Middleware last. Avg Foundation Proximity Score 81/100.
Healthcare · AWS · Native (own / self-hosted weights)
Ambient clinical-documentation AI with its own medical models plus partner LLMs, grounded in clinician audio.
Healthcare AI · AWS · Native (own / self-hosted weights)
Ambient documentation with its own clinical models plus OpenAI, grounded in encounter audio.
Travel · Hybrid · Native (own / self-hosted weights)
Travel marketplace; huge own ranking/pricing ML plus OpenAI for the AI Trip Planner.
Design · AWS · Native (own / self-hosted weights)
Massive consumer design platform on AWS with MySQL + DynamoDB and a WASM-accelerated rendering pipeline. Magic Studio blends in-house generative models with partners (incl. acquired Leonardo.ai).
EdTech · AWS · Native (own / self-hosted weights)
Study platform blending its own content ML with OpenAI for its learning assistant.
CX AI · GCP · Native (own / self-hosted weights)
Contact-center AI with its own real-time coaching models plus partner LLMs over call data.
FoodTech · AWS · Native (own / self-hosted weights)
Food delivery; own dispatch/ETA ML plus OpenAI for support.
Wholesale · AWS · Native (own / self-hosted weights)
Wholesale marketplace; own recommendation ML plus OpenAI for merchandising assistants.
Logistics · AWS · Native (own / self-hosted weights)
Freight forwarding; in-house logistics ML plus OpenAI for ops assistants.
FinTech (Africa) · AWS · Native (own / self-hosted weights)
Pan-African payments; in-house fraud ML plus OpenAI for support.
SaaS (India) · AWS · Native (own / self-hosted weights)
CX/ITSM suite; Freddy AI blends its own models with OpenAI over customer data.
Super-app · AWS · Native (own / self-hosted weights)
SEA super-app; large in-house logistics/fraud ML plus OpenAI for assistants.
Productivity · AWS · Native (own / self-hosted weights)
Long-standing in-house NLP models plus GPT for generative rewriting.
Marketing · AWS · Native (own / self-hosted weights)
Marketing automation; own predictive ML plus OpenAI for content over its customer-data platform.
E-Commerce · AWS · Native (own / self-hosted weights)
LatAm commerce/fintech giant; large in-house recommendation/fraud ML plus OpenAI for assistants.
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.
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.
AI/Search · AWS · Native (own / self-hosted weights)
Answer engine on AWS combining a real-time search/index layer with RAG over multiple LLMs; serves its own fine-tuned Sonar models plus frontier and open models. Exposes a metered Sonar API + Agent API.
FinTech (India) · AWS · Native (own / self-hosted weights)
Indian payments; in-house fraud/risk ML plus OpenAI for support assistants.
Telecom (India) · On-Prem · Native (own / self-hosted weights)
Telecom/digital giant building sovereign Indian-language models (Jio Brain / BharatGPT) on its own infrastructure.
Enterprise · Hybrid · Native (own / self-hosted weights)
Joule is multi-model: SAP’s own ABAP LLM plus a Generative AI Hub fronting OpenAI, Gemini, Anthropic (Claude powers Joule agents), Llama, and sovereign Mistral/Cohere on SAP cloud.
Cybersecurity · AWS · Native (own / self-hosted weights)
Purple AI combines SentinelOne’s own Ultraviolet models with Anthropic Claude + OpenAI GPT over its Singularity data lake; exposes a Purple MCP server for agentic SOC investigation.
Industrial · Azure · Native (own / self-hosted weights)
Industrial Copilot built with Microsoft on Azure OpenAI over its own engineering/automation ML.
Healthcare AI · Multi-Cloud · Native (own / self-hosted weights)
Ambient clinical assistant blending its own medical models with partner LLMs.
Healthcare · GCP · Native (own / self-hosted weights)
Precision-medicine platform with its own multimodal genomic/clinical models plus LLMs for clinician copilots.
Analytics · Multi-Cloud · Native (own / self-hosted weights)
Search/AI analytics; Spotter agent blends its own engine with OpenAI over the in-memory data store.
Mapping · Azure · Native (own / self-hosted weights)
Mapping/location; own routing/map ML plus a Microsoft-partnered conversational in-car assistant on Azure OpenAI.
Retail · Hybrid · Native (own / self-hosted weights)
Trains Wallaby, its own retail-tuned LLMs, alongside partner LLMs for its shopping super-assistant; huge in-house ML.
Local/Internet · AWS · Native (own / self-hosted weights)
Local-discovery platform; own ranking/review ML plus OpenAI for its AI assistant.
Proptech · AWS · Native (own / self-hosted weights)
Real-estate marketplace; the Zestimate is large in-house valuation ML; natural-language search on OpenAI.
FoodTech (India) · AWS · Native (own / self-hosted weights)
Indian food-delivery; own logistics/recommendation ML plus OpenAI assistants.
Communications · Hybrid · Native (own / self-hosted weights)
Runs its own global data centers for real-time media, bursting to AWS/Oracle Cloud at peak. AI Companion uses a 'federated' approach blending its own models with Anthropic and OpenAI.
Marketplace · AWS · Direct API
AWS-native marketplace that evolved a Rails monolith into services over sharded MySQL (Vitess) + HBase. Search/pricing are in-house ML. Created Apache Airflow; AI customer-support uses LLMs.
Productivity · AWS · Direct API
Low-code database whose 'spreadsheet-database' is backed by MySQL with heavy Redis caching on AWS. Airtable AI/Cobuilder routes to OpenAI and Anthropic.
Analytics · AWS · Direct API
Amplitude runs a high-throughput event analytics platform on AWS with Kafka-based ingestion, DynamoDB/Redis for state and caching, and a proprietary columnar datastore optimized for behavioral analytics, plus AI Agents powered via Amazon Bedrock. Core production services are containerized and orchestrated with Kubernetes and Terraform-based infrastructure-as-code.[5][7]
Productivity · Hybrid · Direct API
Asana runs a large-scale, stateful, microservice-style backend with autoscaling infrastructure and a dedicated Production Infrastructure pod for observability and platform reliability, layered behind a multi-region, hybrid cloud deployment. Its data stack separates transactional MySQL/Aurora stores from analytical event pipelines and a cloud data warehouse used by growth and analytics teams.
HR · AWS · Direct API
SMB HR platform; AI assist on OpenAI over employee data.
Biotech SaaS · AWS · Direct API
R&D cloud for life sciences; AI assistants on OpenAI over experimental data.
FinTech · AWS · Direct API
Cash App Money Bot + Square Managerbot run on Anthropic Claude (Sonnet) and OpenAI GPT via Block’s open-source goose agent framework (Claude is goose’s default on Databricks).
Storage · AWS · Direct API
Box AI is explicitly multi-model — routes across OpenAI, Google and Anthropic over enterprise content.
FinTech · AWS · Direct API
AWS-based corporate-card/spend platform on PostgreSQL with Kafka eventing. Brex Assistant uses OpenAI/Anthropic over its own financial data and an agentic spend layer.
FinTech (EU) · Hybrid · Direct API
European neobank; Finn AI assistant on OpenAI over account data.
Legaltech · AWS · Direct API
Legal practice-management cloud; Clio Duo AI on OpenAI over matter/document data.
AI-coding · AWS · Direct API
Autonomous SWE agent (Devin) orchestrating Claude + GPT over its own long-horizon planning and code-execution sandboxes.
FinTech · AWS · Direct API
AWS-native crypto exchange on MongoDB/PostgreSQL with DynamoDB for high-throughput paths; strong HSM/key-management and on-chain infra. Uses in-house risk ML and LLMs for support.
Proptech · AWS · Direct API
Real-estate brokerage platform; agent AI tools on OpenAI over listing/CRM data.
EdTech · AWS · Direct API
Online learning; Coursera Coach + course generation on OpenAI over its catalog.
DevTools · AWS · Direct API
AI code editor (Anysphere) leaning heavily on Anthropic Claude via Direct API over its own retrieval index.
FinTech · AWS · Direct API
Neobank; in-house underwriting ML plus OpenAI for support/assistant.
CX AI · AWS · Direct API
AI customer-support agents orchestrating Claude + GPT over a company knowledge base.
HR · AWS · Direct API
Deel runs a proprietary, multi-tenant SaaS platform (app.deel.com / api.letsdeel.com) on AWS with separate sandbox and production environments, using relational and NoSQL databases behind REST APIs consumed by customers and integrations.[3][10][4] AI is incorporated primarily at the application and workflow layer to automate compliance, payroll, and HR processes, rather than as a foundational LLM-native architecture.[6][4]
Communications · GCP · Direct API
Runs on Google Cloud; publicly migrated trillions of messages from Cassandra to ScyllaDB and uses Elixir + Rust for real-time gateway/voice. AI features (Clyde and successors) built on OpenAI.
Marketplace · AWS · Direct API
In-house logistics ML plus OpenAI for support + merchant tooling.
Storage · Hybrid · Direct API
Famously repatriated bulk file storage off AWS onto its own 'Magic Pocket' exabyte infrastructure while keeping some cloud for edge/compute. Metadata in sharded MySQL (Edgestore). Dropbox Dash AI uses OpenAI.
EdTech · AWS · Direct API
Birdbrain in-house ML sets lesson difficulty; GPT-4 (Direct API) powers Roleplay + Explain-my-Answer.
Travel · AWS · Direct API
Travel platform; early OpenAI customer (Romie / trip planning) over its own travel-graph ML.
Design · AWS · Direct API
Browser-based design tool whose moat is a custom C++ rendering/document engine shipped to the browser via WebAssembly. Metadata in sharded PostgreSQL on AWS; multiplayer via bespoke real-time sync servers.
Enterprise Search · GCP · Direct API
Enterprise assistant that lets customers pick across OpenAI, Anthropic and Google over a permissions-aware index.
Observability · Multi-Cloud · Direct API
Grafana Cloud runs a SaaS observability platform built on its open source engines (Mimir, Loki, Tempo, Prometheus) deployed across major public clouds with object storage backends like S3/GCS/Azure Blob for long‑term data. The core Grafana server is a Go backend with a React/TypeScript frontend that acts as a visualization and control plane over these distributed storage and query services.
HR/Payroll · AWS · Direct API
SMB payroll/HR; AI assistant features on OpenAI over payroll/benefits data.
Analytics · AWS · Direct API
Collaborative data notebook; Magic AI routes to OpenAI + Anthropic over warehouse queries.
CRM · AWS · Direct API
AWS-native marketing/CRM suite built on a large HBase + MySQL backbone with Kafka event streaming. AI ('Breeze'/ChatSpot) wraps OpenAI plus in-house models over first-party CRM data.
Marketplace · GCP · Direct API
Own catalog/logistics ML; an early, prominent OpenAI customer for search + Ask Instacart.
Support · AWS · Direct API
Fin support agent runs on Anthropic + OpenAI over a customer help-content index.
Legaltech · AWS · Direct API
Contract-lifecycle platform; AI contract review/drafting on OpenAI + Anthropic.
Marketing AI · AWS · Direct API
Marketing copy platform orchestrating OpenAI + Anthropic over brand context.
EdTech · GCP · Direct API
Khanmigo tutor built on OpenAI GPT-4 over its learning content, with heavy safety scaffolding.
FinTech · AWS · Direct API
AWS-native BNPL that built its customer-service assistant directly on OpenAI, reportedly handling two-thirds of chats.
FinTech · AWS · Direct API
Startup banking; AI assist on OpenAI over transaction data.
Collaboration · AWS · Direct API
Visual canvas; AI features on OpenAI.
Productivity · AWS · Direct API
Work OS; AI blocks on OpenAI over board data.
Productivity · AWS · Direct API
Block-based docs stored in a heavily sharded PostgreSQL fleet on AWS (publicly documented re-sharding to hundreds of shards). Notion AI routes to OpenAI and Anthropic models.
Creator · GCP · Direct API
Creator-membership platform; AI features on OpenAI.
DevTools · AWS · Direct API
API platform; Postbot AI on OpenAI over API specs/collections.
Construction SaaS · AWS · Direct API
Construction-management cloud; AI agents on OpenAI over project/document data.
FinTech · AWS · Direct API
AWS-native finance-automation/corporate-card platform on PostgreSQL, AI-first in positioning: LLM agents (OpenAI/Anthropic) automate expense categorization, approvals and procurement over transaction data.
Social Media · AWS · Direct API
AWS-hosted; a Python/Pylons heritage over PostgreSQL with Cassandra and heavy Memcached caching, moving to Go/GraphQL services. Monetizes data licensing for AI training; Reddit Answers uses LLMs.
DevTools · AWS · Direct API
Internal-tools builder with multi-model AI app components.
FinTech · GCP · Direct API
In-house risk ML plus OpenAI for support/assistant features.
HR/IT · AWS · Direct API
Workforce platform; AI agents on OpenAI + Anthropic over the employee graph.
DevTools · GCP · Direct API
Error-monitoring; Autofix/Seer uses OpenAI + Anthropic over stack traces.
E-Commerce · GCP · Direct API
Migrated to Google Cloud; a Rails 'majestic monolith' sharded into pods over MySQL (Vitess) with Kafka. Shopify Magic/Sidekick AI uses OpenAI; storefront stack (Hydrogen/Remix) is open-source.
SaaS · AWS · Direct API
Work-management platform; AI formulas/summaries on OpenAI over sheet data.
Social · GCP · Direct API
My AI assistant runs on OpenAI + Google; heavy in-house vision ML elsewhere.
FinTech · AWS · Direct API
Digital finance; in-house risk ML plus OpenAI for member support/assistant.
Legaltech · AWS · Direct API
AI contract drafting in Word, built on OpenAI with legal-tuned retrieval.
Streaming Media · GCP · Direct API
Migrated off its own data centers to Google Cloud (BigQuery/Bigtable/Pub-Sub) with Cassandra for serving. Recommendations are in-house ML; AI DJ uses OpenAI + its own voice. Created the open Backstage platform.
Website Builder · Hybrid · Direct API
Website/commerce builder historically on its own data centers, increasingly cloud-hybrid; polyglot persistence (MySQL/MongoDB/Cassandra). AI site-generation and copy use OpenAI.
Media · AWS · Direct API
Publishing platform; AI writing/discovery features on OpenAI.
Restaurant SaaS · AWS · Direct API
Restaurant POS/platform; AI menu/ops assistants on OpenAI over transaction data.
Communications · AWS · Direct API
AWS-native communications APIs (voice/SMS/email via SendGrid) over MySQL + DynamoDB with Kafka eventing. Owns the Segment CDP; CustomerAI layers LLMs over unified customer profiles.
EdTech · AWS · Direct API
Learning marketplace; AI assistant + course tools on OpenAI.
Compliance · AWS · Direct API
Security-compliance automation; AI questionnaire/evidence features on OpenAI.
DevTools · AWS · Direct API
Frontend cloud built atop AWS, exposing a global edge + serverless/Functions layer; stewards the open-source Next.js framework. v0 AI is built on OpenAI/Anthropic models.
Climate · GCP · Direct API
Carbon-accounting platform; AI features on OpenAI over emissions data.
Website Builder · AWS · Direct API
Visual web-development platform on AWS; MongoDB for the flexible CMS/site model with MySQL/Redis support. AI assists site generation and content via OpenAI/Anthropic.
AI-coding · AWS · Direct API
AI IDE (formerly Codeium) routing to Claude + GPT over its own retrieval/indexing engine.
Website Builder · Hybrid · Direct API
Site builder; AI site/content generation on OpenAI.
Support · AWS · Direct API
AWS-native support suite; AI agents + summarization on OpenAI.
DevTools · AWS · Cloud-hosted (Bedrock/Vertex/Azure)
Jira/Confluence migrated to an AWS-native multi-tenant platform (Micros) on PostgreSQL + DynamoDB. Atlassian Intelligence wraps OpenAI behind a tenancy/governance layer.
Healthcare · Hybrid · Cloud-hosted (Bedrock/Vertex/Azure)
Dominant EHR on its own InterSystems stack; generative features run on Azure OpenAI via the Microsoft partnership.
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.
Legal AI · Azure · Cloud-hosted (Bedrock/Vertex/Azure)
Legal-domain assistant built on OpenAI via Azure with bespoke legal retrieval.
Govtech/Data · Hybrid · Cloud-hosted (Bedrock/Vertex/Azure)
AIP orchestrates partner LLMs (OpenAI, Anthropic) inside customer security boundaries over its ontology.
CRM · Hybrid · Cloud-hosted (Bedrock/Vertex/Azure)
Long-running first-party data centers now extended onto public cloud via Hyperforce (AWS-backed). Multi-tenant metadata engine historically on Oracle, migrating workloads toward PostgreSQL; Einstein layers third-party LLMs behind a trust boundary.
Vertical SaaS · Azure · Cloud-hosted (Bedrock/Vertex/Azure)
Trades/field-services SaaS on Azure; AI assistants via Azure OpenAI over job/CRM data.
← Back to the full orbit map (all 260 companies) · Score your own stack →