B2BVault's summary of:

What Perplexity’s AI browser reveals about UX’s future

Published by:
UX Collective
Author:
Adrian Levy

Introduction

The Perplexity Comet browser changes how we think about browsing - it turns “where do I go?” into “what do I want?” by letting AI handle intent instead of navigation.

What's the problem it solves?

Traditional browsers make users do the hard work of searching, comparing, and clicking through endless pages. Comet solves this by letting users express intentions in natural language while the AI handles context, decisions, and execution.

Quick Summary

Perplexity’s Comet browser is the first real example of an AI-native web experience. Instead of typing URLs or searching manually, users tell the browser what they want, and it figures out how to deliver it. Comet remembers your goals across sessions, compares information across tabs, and even works in sync with other AI tools without direct integrations.

In tests, Comet helped with complex tasks like planning trips, analyzing UX trends, and shopping for a gluten-free birthday party. Users quickly adapted to this new mindset, shifting from navigation to delegation. While the AI isn’t perfect (about 60–70% accuracy), people still preferred it because it gave them control while saving time.

Failures also taught key lessons. When the AI admits its limits, users trust it more. When it fails silently, trust collapses. For UX designers, this means the quality of an AI’s honesty matters more than its success rate. Comet still has performance and security issues, but it points toward a future where multiple AI systems collaborate smoothly rather than one giant system trying to do everything.

Key Takeaways from the article

  • Browsing is shifting from navigation-based to intention-based.
  • Users adapt fast, even when AI reliability is only 60–70%.
  • AI is better at analyzing and synthesizing information than completing step-by-step tasks.
  • Users will forgive AI mistakes if they keep control and transparency.
  • The future of UX is about connecting multiple specialized AI systems, not building one massive AI.

What to do

  • Map user intentions, not just their clicks or paths.
  • Build AI features for synthesis before automation.
  • Focus on trust-building through clear communication and honest error messages.
  • Design systems that keep user control visible at every step.
  • Track new success metrics like “intention success rate” and “delegation trust index.”
  • Explore AI collaboration instead of trying to build all-in-one systems.

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