Perplexity Brain lets agents explore user history on demand
perplexity_ai · x · 2026-08-26
Perplexity details the mechanism behind its Brain feature: it allows agents to explore a user's full history on demand rather than loading all of it into every prompt. Agents can verify claims against evidence and keep information current. The system also uses background "Dream agents" that run offline within a scoped guardrail to synthesize new information into consistent Brain updates, creating a continuous self-improvement loop.
Related event: Perplexity Unveils Brain, a Self-Improving Agent Memory System(6 posts)→
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