#ChatGPT Atlas

A technical comparison of the four leading agentic AI browsers in 2025 — OpenAI's Atlas, Edge with Copilot Mode, Dia, and Perplexity's Comet — highlighting architectures, autonomy, memory models, and risk profiles to help readers pick the right fit.

'OpenAI released ChatGPT Atlas, a Chromium-based browser that integrates ChatGPT across new tabs, a sidebar, and a preview agent for multi-step tasks, starting on macOS with privacy-focused features.'