Are Synthetic Users Relevant When Agents Browse?

In this episode of Future of UX, we dive into the next big shift: web browsers that don’t just open websites — they understand, summarise, act. We cover the newly launched ChatGPT Atlas (by OpenAI), and compare it with the bold efforts of Comet (by Perplexity AI) and Dia (by The Browser Company). We break down what each offers, where the UX opportunities and risks are, and what this means for us as UX designers in a world where the browser becomes an assistant, not just a tool. We’ll talk conversational interfaces, agentic workflows, trust and privacy, and how your design approach needs to evolve.

Links you’ll want to check out:

• • ChatGPT Atlas (by OpenAI): https://openai.com/index/introducing-chatgpt-atlas/ 
    Alternative mirror: https://chatgpt.com/atlas/ ChatGPT

  • Comet (by Perplexity AI): https://www.perplexity.ai/comet/ 
    Blog intro: https://www.perplexity.ai/hub/blog/introducing-comet 

• Dia (by The Browser Company): https://www.diabrowser.com/ Dia Browser
  Beta-launch coverage: https://techcrunch.com/2025/06/11/the-browser-company-launches-ai-first-browser-dia-in-beta/

  
  

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