Research

- 1 Sept 2026PII-TRACE: Detecting Personal Data Before It Leaves the DeviceA 13-language benchmark for consistent PII detection across long-running conversations, paired with a compact 0.6B detector designed to run locally.
- 19 Aug 2026Brain: Agentic Memory as a Knowledge WikiA structured, traceable, self-improving Markdown filesystem, compiled offline and navigated on demand.
- 29 Jul 2026Securing agents across Perplexity’s client endpoints with NumbatNumbat is Perplexity’s open-source agent security suite for client endpoints. It detects, prevents, and investigates risky AI agent behaviour on macOS, Linux, and Windows.
All publications
- Fast Embeddings on GPUs
- PII-TRACE: Detecting Personal Data Before It Leaves the Device
- Optimising On-Device Inference for Apple Silicon
- A Local-First Agent for Private and Cost-Effective Knowledge Work
- Brain: Agentic Memory as a Knowledge Wiki
- Securing agents across Perplexity’s client endpoints with Numbat
- Making SPACE: Secure and efficient runtimes for long-running agents
- WANDR benchmark: Evaluating research agents that must search wide and deep
- How AI agents reshape knowledge work
- Rethinking search as code generation