Perplexity Research advances our mission to transform how we navigate the internet and the wider world through frontier research in search, reasoning, agents, and systems.

Research

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ResearchSep 1, 2026Optimizing On-Device Inference for Apple SiliconA custom local engine that improves prefill and decode throughput.
  1. Sep 1, 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. Aug 19, 2026Brain: Agentic Memory as a Knowledge WikiA structured, traceable, self-improving Markdown filesystem, compiled offline and navigated on demand.
  3. Jul 29, 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 behavior on macOS, Linux, and Windows.

All publications

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

Work at Perplexity Research

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All Careers

Perplexity offers one of the most compelling environments for greenfield AI research. Our product ecosystem, ranging from realtime multimodal assistants to open web agents, spans the full breadth of how people use AI today. We seek exceptional researchers to pioneer novel methods that redefine how millions of users navigate the internet and the world.

Each day, we encounter open research problems (and occasionally entirely new domains of research), many of which exist only at Perplexity. Our combination of scale, product ambition, and infrastructure means our researchers must innovate far beyond the current research frontier. If this excites you, apply to one of our research openings.