Perplexity Launches Brain, a Self-Improving Memory System That Builds a Context Graph of an Agent’s Work and Learns Overnight

Summary

<p>Perplexity has launched Brain, a self-improving memory system for its Computer agent. Instead of remembering the user, Brain remembers the agent's work — what worked, what failed, and what corrections got made. It builds a traceable context graph, reviews it overnight, and reports early gains in correctness, recall, and cost.</p> <p>The post <a href="https://www.marktechpost.com/2026/06/18/perplexity-launches-brain/">Perplexity Launches Brain, a Self-Improving Memory System That Builds a Context Graph of an Agent&#8217;s Work and Learns Overnight</a> appeared first on <a href="https://www.marktechpost.com">MarkTechPost</a>.</p>