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Perplexity unveils "Brain" memory system for its AI agents

By PulseAugur Editorial · [5 sources] ·

Perplexity has introduced "Brain," a new self-improving memory system for its Perplexity Computer. Brain functions as a structured knowledge wiki, storing user history and work in a filesystem of linked Markdown files. This system allows agents to access and verify information on demand without loading the entire history into every prompt, and it is continuously updated by background agents called "Dream agents." AI

IMPACT Enhances AI agent capabilities by providing efficient, on-demand access to user history and knowledge.

RANK_REASON Product launch of a new feature/system by an AI company.

Read on X — Perplexity →

AI-generated summary · Google Gemini · from 5 sources. How we write summaries →

Perplexity unveils "Brain" memory system for its AI agents

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product, infra
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COVERAGE [5]

  1. X — Perplexity TIER_1 English(EN) · perplexity_ai ·

    Brain makes a user’s full history available to Computer without loading all of it into every prompt.

    Brain makes a user’s full history available to Computer without loading all of it into every prompt. Agents can explore it on demand, verify claims against the underlying evidence, and keep it current as the user’s work changes. Read more: https://t.co/E1OfWiI8Et

  2. X — Perplexity TIER_1 English(EN) · perplexity_ai ·

    We use background agents, called Dream agents, to create a continuous self-improvement loop.

    We use background agents, called Dream agents, to create a continuous self-improvement loop. Dream agents run offline, with carefully defined scope and Dream-specific guardrails, synthesizing new information into consistent and accurate Brain updates. https://t.co/5L2znCtHRw

  3. X — Perplexity TIER_1 English(EN) · perplexity_ai ·

    Brain stores memory as a filesystem of linked Markdown files.

    Brain stores memory as a filesystem of linked Markdown files. It connects related subjects across the wiki and links each claim to the sessions and files that support it. This structure allows us to organize memory perfectly suited for agents. https://t.co/1mW4wH5Djj

  4. X — Perplexity TIER_1 English(EN) · perplexity_ai ·

    Brain is a comprehensive memory system with three key components: durable memory storage, foreground agents that answer queries, and background agents that upda

    Brain is a comprehensive memory system with three key components: durable memory storage, foreground agents that answer queries, and background agents that update and improve memory. https://t.co/BidkEvm9nz

  5. X — Perplexity TIER_1 English(EN) · perplexity_ai ·

    Brain is our self-improving memory system for Perplexity Computer. It compiles sessions, files, and sources into a structured knowledge wiki.

    Brain is our self-improving memory system for Perplexity Computer. It compiles sessions, files, and sources into a structured knowledge wiki. New evals build on our initial results, improving correctness by 9.3 points, currentness by 8.0, and recall by 8.9 with 15% fewer tokens.…

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