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Flash·Apps & Agents·2026-10-18 08:28

OpenAI Upgrades ChatGPT Chrome Extension: Chat Reads Tabs, Work Mode Operates the Browser

On Oct 15, OpenAI announced via its official X account @ChatGPT an upgrade to the ChatGPT Chrome extension, bringing "computer use" capability to every Chrome user. The upgrade has two modes: Chat mode reads the user's open tabs and answers across them; Work mode acts directly inside tabs — filling forms, sending messages, downloading files, organizing and grouping tabs. The sidebar now carries full conversation history.

HIMIAO Horizon·2026-10-18 08:28·2 min read

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Browser with multiple tabs and AI assistant sidebar
ChatGPT comes to Chrome: read tabs, do tasks

What happened

OpenAI's announcement on X read: "A few big upgrades for Chrome users today! We're bringing the power of computer use to anyone who uses Chrome." The demo showed ChatGPT comparing three open sofa-shopping tabs by dimensions, prices, delivery time and return policy, with no copy-pasting by the user.

Work mode is OpenAI's agent for complex multi-step tasks. In it, users can have ChatGPT fill out a registration form from an event brief (stopping before submission), collect vendor pricing from several tabs into a comparison sheet, compare contractors' terms across tabs and draft an email to the best fit, fill out a new-dentist form and add it to the calendar, download files, and organize or group open tabs.

The upgraded sidebar lets users access their full ChatGPT history without leaving the page they are browsing. The extension is available to users on every ChatGPT plan, and works in Chrome plus other Chromium browsers including Edge, Brave and Opera. OpenAI had previously retired its in-house Atlas browser.

Key facts

  1. Announcement: Oct 15, 2026, via OpenAI's official X account @ChatGPT
  2. Chat mode: Mention Chrome in the ChatGPT web or desktop app; it reads open tabs and answers across them
  3. Work mode: OpenAI's multi-step task agent; operates tabs: fills forms, sends messages, downloads files, organizes tabs
  4. Sidebar: Full conversation history available without leaving the page being browsed
  5. Availability: All ChatGPT plans; Chrome plus Chromium browsers including Edge, Brave and Opera
  6. Background: OpenAI previously retired its in-house Atlas browser

Why it matters

after retiring its in-house Atlas browser, OpenAI has for the first time embedded a browser agent inside Chrome, the world's largest browser — open to users on every plan.
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CompaniesOpenAI

SourcesEngadget (Oct 16, 2026, https://www.engadget.com/2288580/open-ai-updates-chatgpt-extension-for-chrome/); The Verge (Oct 16, via EM360Tech, https://em360tech.com/tech-articles/openai-lets-chatgpt-read-open-chrome-tabs-and-act-them-work-mode). This article compiles public information and is not investment advice.

From HIMIAO Horizon · himiao.ai

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