OpenAI tech stack

We detected 5 technologies on openai.com, including Next.js, React, Contentful.

Detected from scripts and markup on the openai.com homepage on October 2, 2026. This covers what the website loads in the browser, not OpenAI's backend or internal tools.

Framework

Next.js
Also used by adidas, Airtable, Asana, Clerk, Disney+
React
Also used by adidas, Airtable, Asana, Clerk, Disney+

Headless CMS

Contentful
Also used by Grammarly, Headspace, Miro, Notion, Peloton

Hosting

Vercel
Also used by Clerk, Intercom, Notion, Peloton, Warby Parker

CDN

Cloudflare
Also used by Anthropic, Discord, Figma, Linear, monday.com

OpenAI brand profile · OpenAI fonts and colors

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Baxter is not affiliated with OpenAI. Data was measured from openai.com.