Perplexity Computer as a Second Brain: Autonomous AI That Actually Remembers You

Published on 31.03.2026

AI & AGENTS

How to Use Perplexity Computer as a Second Brain

TLDR: Perplexity Computer is an agentic AI platform that acts as a self-updating second brain, removing the maintenance burden from personal knowledge systems. Unlike tools that require you to manage config files or manually re-upload context, it learns passively through conversation and runs scheduled workflows autonomously. At $200/month it targets power users and mid-size teams, but the architectural ideas behind it point at where personal AI is heading.

How to Use Perplexity Computer as a Second Brain