O
OpenAI
San Francisco, California, United States · Founded 2015
1001-5000 employees · N/A
Sourced & current · updated Jun 12, 2026Website
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 leader in generative AI foundation models; the de facto standard for AI-powered content and marketing automation
Ownership
Subsidiaries