Perplexity’s AI Agent Now Has a Brain That Learns From Its Own Mistakes – Decrypt

Jun 19, 2026 - 00:45
Perplexity’s AI Agent Now Has a Brain That Learns From Its Own Mistakes – Decrypt
In brief Perplexity launched Brain, a memory system for Computer that builds a context graph of past sessions, sources, and corrections—then synthesizes it overnight into a personal LLM wiki loaded before each new task. Perplexity’s own early metrics show Brain boosts answer correctness by 25% on repeated tasks, recall by 16%, and cuts the cost...

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