PerplexityBlog

Research, products, and ideas.


  • Home
  • Research
  • News
  • Developers

Research

Isometric line drawing of cubes arranged on a grid, with a central column of cubes descending through stacked square frames.
Research1 Sept 2026Optimising On-Device Inference for Apple SiliconA custom local engine that improves prefill and decode throughput.
  1. 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.
  2. 19 Aug 2026Brain: Agentic Memory as a Knowledge WikiA structured, traceable, self-improving Markdown filesystem, compiled offline and navigated on demand.
  3. 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

  1. 4 Sept 2026Fast Embeddings on GPUs
  2. 1 Sept 2026PII-TRACE: Detecting Personal Data Before It Leaves the Device
  3. 1 Sept 2026Optimising On-Device Inference for Apple Silicon
  4. 25 Aug 2026A Local-First Agent for Private and Cost-Effective Knowledge Work
  5. 19 Aug 2026Brain: Agentic Memory as a Knowledge Wiki
  6. 29 Jul 2026Securing agents across Perplexity’s client endpoints with Numbat
  7. 15 Jul 2026Making SPACE: Secure and efficient runtimes for long-running agents
  8. 14 Jul 2026WANDR benchmark: Evaluating research agents that must search wide and deep
  9. 8 Jun 2026How AI agents reshape knowledge work
  10. 1 Jun 2026Rethinking search as code generation