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OpenAI

San Francisco, California, USA · Founded 2015

1001-5000 employees · N/A

Sourced & current · updated May 31, 20260 of 3 facts verifiedWebsite

OpenAI is the creator of ChatGPT and the GPT series of large language models, providing cutting-edge AI APIs and tools that are rapidly transforming advertising, content creation, and marketing technology.

Where they sit

Stack tier: Ecosystem Services (A)

Creative PlatformAI-Powered Platform

Dominant market leader in generative AI, providing foundational models and APIs used across the AdTech and MarTech stack

Ownership

Subsidiaries

Competitors

Key people

Pre-call brief from ATDb — sourced from the live database, current as of May 31, 2026. Not a static screenshot.