# Perplexity tests persistent memory for its Computer agent

By Steven Van · 2026-06-21

Called Brain in Computer, the research preview builds a context graph across runs and is rolling out to Perplexity Max subscribers.

Perplexity is testing a persistent memory system for its **Computer** agent, called **Brain in Computer**. Every task run feeds a context graph that Computer plugs into, so it retains state across runs instead of starting fresh each time. It's rolling out as a research preview to all [Perplexity](<https://www.perplexity.ai/>) Max subscribers, per the [announcement](<https://x.com/i/status/2067642139014742348>).

[View media](<https://video.twimg.com/amplify_video/2067642061399150593/vid/avc1/1280x720/xdr_B1jnx42MOD6q.mp4?tag=14>)

![Perplexity](<https://www.google.com/s2/favicons?domain=perplexity.ai&sz=128>)

Perplexity

AI-powered answer engine — ask anything and get cited, real-time answers from across the web.

[View Perplexity →](<https://creatorstoolbox.com/tools/perplexity>)

[Read Perplexity tests persistent memory for its Computer agent on Creators Toolbox](<https://creatorstoolbox.com/blog/perplexity-brain-in-computer>)

---
Canonical source: https://creatorstoolbox.com/blog/perplexity-brain-in-computer