Codex NEW Browser Just Destroyed Chrome

By Riley Brown

Categories: AI

Summary

Claude and Codex just launched multi-tab in-app browsers that let AI agents autonomously open and manage dozens of web pages simultaneously—transforming how founders do research, marketing, and business operations by replacing manual tab navigation with intelligent agent workflows.

Key Takeaways

  1. Multi-tab browser capability allows AI agents to open 10+ tabs in parallel, enabling batch research workflows (YouTube analytics, Notion databases, emails, external data) in a single prompt instead of manual navigation.
  2. Sub-agents feature distributes work across specialized agents, each handling one tab/task concurrently, dramatically reducing execution time for complex multi-source research and data gathering workflows.
  3. Claude's annotation tool (Excalidraw-like) enables real-time markup and communication with AI while browsing, allowing users to highlight content and ask contextual questions without leaving the browser context.
  4. Codex's contextual memory advantage: AI maintains awareness of all open tabs, user history, and connected databases (Notion, Drive, Gmail), enabling hyper-personalized actions that generic Google AI cannot replicate.
  5. AI-powered operating system paradigm shift: Instead of users navigating between tools, users prompt AI agents to fetch and organize all relevant information into tabs, reimagining the computer interface entirely.

Related topics

Transcript Excerpt

Open AI and Anthropic made the same update on the same day to the Claude desktop app and the Codex app. And I think this is going to be massive for how we do business with AI agents. So, I'm talking about their in-app browser. On both Claude desktop and the Codex ChatGPT app, you can open up multiple tabs in every chat session, which is especially useful if you use these tools for running a business, doing marketing, and content. Check this out. This is the latest update to Claude code. And as you can see here, I have 10 different browser tabs open inside Claude code. This is a brand new update. And this is the Codex app. So, I can run this prompt right here. And I'm saying, "Open my YouTube studio analytics, open my Notion video database, open the X my X notifications, my five most import…

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