OpenAI Tech Stack

AI research and deployment company building GPT models and enterprise AI products

Research Services San Francisco, CA 201–500 employees Partnership

OpenAI operates a large, diversified organization across research, product, and go-to-market functions. The tech stack spans core ML infrastructure (Kubernetes, Terraform, Azure, Triton, MLIR, XLA) alongside deployment platforms (ChatGPT, Codex, OpenAI API) and enterprise tooling (ServiceNow, OneTrust, Atlas). The hiring profile shows engineering-led growth (331 roles) with meaningful investment in sales (80), security (76), and research (39) — reflecting a transition from pure research toward scaled enterprise delivery. Active projects cluster around ChatGPT for work, Codex IDEs, and enterprise AI transformation, signaling a shift from consumer-focused products toward B2B sales and co-selling motions.

Tech Stack 200 technologies

Core StackTerraform Kubernetes Python PostgreSQL Kafka JavaScript React Node.js Snowflake Grafana C++ Azure AD GitHub AWS Rust Go Linux Azure GPT-4 ChatGPT Triton LLVM MLIR XLA OpenAI API SQL Plotly Google Workspace macOS PromQL+170 more

AdoptingOneTrust ServiceNow Codex SCIM Atlas ChatGPT OpenAI API Vertex

What OpenAI Is Building

◆Challenges

Scaling exec operations
Safe deployment of ai models
Performance and reliability
Accelerating customer time to value
Reducing security risk
Security and compliance support
Capacity planning
Improving conversion rates
Improving search performance
Expanding distribution in india

▲Active Projects

Chatgpt for work
Codex desktop app and ide extension
Enterprise ai transformation co-selling
Internal tooling and automation
Chatgpt enterprise
Novel applications
Workflow improvement
Production systems of detection and enforcement
Scaling solutions architect function
Workflow solutions for sales and revenue ops

Hiring Activity

Accelerating850 roles · 390 in 30d

Department

Engineering

331

Sales

Security

Research

Product

Finance

Marketing

Seniority

Senior

488

Mid

139

Manager

Lead

Director

Staff

Principal

Intern

Notable leadership hires: Account Director, Business Insights Lead, Art Director, Marketing Operations Lead, Head of Sales Industries

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About OpenAI

OpenAI is an AI research and deployment organization headquartered in San Francisco, focused on developing general-purpose AI systems and bringing them to market across consumer and enterprise segments. The company operates across three primary domains: research and model development (GPT-4, novel applications), product delivery (ChatGPT, Codex), and enterprise go-to-market (sales, solutions architecture, customer success). With 201–500 employees and hiring across 12 countries, OpenAI is scaling infrastructure and sales capacity in parallel with product launches. Current challenges include safe model deployment at scale, improving enterprise customer onboarding velocity, and expanding geographic distribution.

HeadquartersSan Francisco, CA

Company Size201–500 employees

Hiring MarketsUnited States, Germany, Ireland, Japan, Australia, United Kingdom, France, Singapore

Frequently Asked Questions

What is OpenAI's tech stack?

Core infrastructure: Kubernetes, Terraform, Azure, PostgreSQL, Kafka. ML/AI: Triton, LLVM, MLIR, XLA, GPT-4, Codex. Languages: Python, C++, Rust, Go, JavaScript. Enterprise: ServiceNow, OneTrust, Atlas, Azure AD. Currently adopting: Vertex and SCIM for identity/access.

What is OpenAI working on?

Active projects include ChatGPT for work and enterprise editions, Codex desktop/IDE extensions, enterprise AI transformation co-selling, internal automation tooling, and novel AI applications. Pain points highlight safe model deployment, accelerating enterprise time-to-value, and scaling security/compliance support.