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OpenAI details the engineering behind ChatGPT Atlas, a new AI-powered browser built on a custom architecture called OWL (OpenAI's Web Layer), which runs Chromium as an isolated service outside the main app process to enable fast startup, scalability, and agentic capabilities.
AI browsers like OpenAI's Atlas and Perplexity's Comet embed AI assistants directly into browsing with memory and agentic capabilities, but significant security risks from prompt injection attacks make them unsuitable for sensitive use.
CloakBrowser is an open-source stealth Chromium browser that passes bot detection tests through 49 C++ source-level patches, offering drop-in replacements for Playwright and Puppeteer in Python and JavaScript.