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OpenAI Blog · Oct 30, 2025

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

Reviewed by Errol Vogt, Site support technician & online learning analyst · original summary · editorial policy

How we built OWL, the new architecture behind our ChatGPT-based browser, Atlas. A deep dive into OWL, the new architecture powering ChatGPT Atlas—decoupling Chromium, enabling fast startup, rich UI, and agentic browsing with ChatGPT. This update is relevant for small-office operators tracking changes in their tools.

Operator takeaway: For operators: review whether 'How we built OWL, the new architecture behind our ChatGPT-based browser, Atlas' affects your current setup before relying on it in production.

Read the original at OpenAI Blog →

Tools in this update

ChatGPT by OpenAI

ChatGPT is a general-purpose AI assistant for drafting emails, summarizing documents, and answering questions. Small offices use it for first-draft patient communications and routine writing, with human review before sending.

Pricing Freemium — Free tier plus paid individual and business plans; see vendor pricing.

Visit ChatGPT → · Best AI assistants tools · ChatGPT alternatives

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