OpenAI· GPT / ChatGPT / APICapability change

How we built OWL, the new architecture behind our ChatGPT-based browser, Atlas

OpenAI describes OWL, a new architecture for ChatGPT Atlas that decouples Chromium to enable fast startup, rich UI, and agentic browsing.

From the source

A deep dive into OWL, the new architecture powering ChatGPT Atlas—decoupling Chromium, enabling fast startup, rich UI, and agentic browsing with ChatGPT.

openai.com

Announced

30 Oct 2025 00:00 UTC

Detected

03 Aug 2026 21:11 UTC (+277d after)