tech

Perplexity AI

Perplexity is a free AI-powered answer engine that provides accurate, trusted, and real-time answers to any question.

Perplexity AI

TL;DR

  • Brain is a new self-improving memory system for AI agents.
  • It reviews a context graph of the AI's work to teach itself how to improve.
  • Unlike traditional AI memory focused on users, Brain remembers what the agent did, learned, and failed at.
  • This 'work memory' helps the agent get better at its job over time.
  • Brain creates a map of user goals based on past sessions, improving Computer's starting point for new tasks.
  • The system learns from mistakes, user corrections, and dead-end sources, reducing the need for multiple turns and model calls.
  • A 'living context graph' or LLM wiki is formed, which is updated overnight.
  • Early results show a 25% increase in answer correctness for seen tasks and a 16% increase in recall.
  • Brain cuts the cost of tasks requiring historical context by 13%.
  • This continuous learning enables AI to become more proactive.
  • Brain is rolling out to Max and Enterprise Max subscribers in Research Preview.