Perplexity introduces Brain memory system for Perplexity Computer
The system organizes user sessions, files, and sources into a structured knowledge wiki stored as linked Markdown files.
- Offline background agents, called Dream agents, continuously synthesize new information into memory updates within defined guardrails.
- Foreground agents query and explore the memory filesystem on demand without loading full history into every prompt.
- Evaluation benchmarks report gains of 9.3 points in correctness, 8.0 in currentness, and 8.9 in recall while using 15% fewer tokens.
Perplexity Computer users gain persistent context across sessions and files without running into prompt context limits.
