







ChatGPT Atlas launched last month as the latest AI-infused browser, and today Atlas added nine new features to its Mac app.
Introducing ChatGPT Atlas
ChatGPT Atlas
ChatGPT Atlas, the browser with ChatGPT built in. Get instant answers, summaries, and smart web help—right from any page. With privacy settings you can control. Available now for MacOS.


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.

James Sun on Twitter / X
Today, we’re launching support for Chrome extensions in the ChatGPT desktop app!Bring the extensions you use every day to the in-app browser. You can now install, pin, and use your favorites, like 1Password, while getting things done with ChatGPT.Enterprise admins can now… pic.twitter.com/79Dtes8zlR— James Sun (@JamesZmSun) September 18, 2026
Theo - t3.gg on Twitter / X
I think Codex stopped using Electron 👀The owl was a big hint, the custom architecture used for the ChatGPT Atlas browser was called "OWL" (OpenAI’s Web Layer) https://t.co/L6PFio3EBE pic.twitter.com/ALFTbVCIXq— Theo - t3.gg (@theo) May 29, 2026
A Flaw in ChatGPT’s Mac App Could Have Let Hackers Grab Sensitive Data
While the focus has been on AI agents’ hacking capabilities, a recently patched vulnerability in a ChatGPT app shows that AI software is itself an inviting—and vulnerable—target.

Mark Kretschmann on Twitter / X
ChatGPT is going to merge into the Codex app! 🔥This was confirmed by an engineer of Codex at @OpenAI. The combined “super app” will bring together the more casual, general-purpose ChatGPT experience with the coding-focused power of Codex. In other words, one app for chatting,… pic.twitter.com/5Cfrm4ETj4— Mark Kretschmann (@mark_k) May 2, 2026

browseros-ai/BrowserOS
🌐 The open-source Agentic browser; alternative to ChatGPT Atlas, Perplexity Comet, Dia.
GPT-6 and Intelligent UI for everyone
GPT‑6 is rolling out globally in ChatGPT with Intelligent UI, delivering faster responses with visuals and interactive experiences you can explore and use directly.

Adam Fry on Twitter / X
We're back to shipping post holidays with a ChatGPT Atlas release last week, and another one today.- Tab Groups (they're slick and you can use emojis)- Updated search results layout (vertical stacked links)- "Auto" option for your default search engine to decide between… pic.twitter.com/jA5QmqA05M— Adam Fry (@adamhfry) January 21, 2026
OpenAI Developers on Twitter / X
We’re adding support for WebMCP in the ChatGPT desktop app’s built-in browser and ChatGPT Sites.When you visit a compatible website, ChatGPT or Codex can automatically use it to complete your task.Update to the latest version of the ChatGPT desktop app, then just ask Codex to… pic.twitter.com/XCGXUTRotN— OpenAI Developers (@OpenAIDevs) August 25, 2026
Apple aids app development with new intelligence frameworks and advanced tools
Apple today introduced new intelligence capabilities, expanded productivity features in Xcode, and platform improvements.

OpenAI is about to launch its new AI web browser, ChatGPT Atlas
It’s time for the AI browser wars

danny-avila/LibreChat
Enhanced ChatGPT Clone: Features Agents, MCP, Skills, DeepSeek, Anthropic, AWS, OpenAI, Responses API, Azure, Groq, o1, GPT-5, Mistral, OpenRouter, Vertex AI, Gemini, Artifacts, AI model switching, message search, Code Interpreter, langchain, DALL-E-3, OpenAPI Actions, Functions, Secure Multi-User Auth, Presets, open-source for self-hosting. Active