Perplexity AI
CompanyPerplexity AI is a search and answering company that blends large-language-model chat with real-time web retrieval and cited sources. It provides consumer and enterprise plans, APIs, and desktop/mobile apps that add agentic features such as file upload, shopping assistants, and document-grounded Q&A.
Stories
Completed digest stories linked to this service.
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Perplexity Brain puts agent work-memory in production, and research backs the ap...2026-06-20Perplexity launched Brain, an agent-centric memory that helps its Computer agent learn from past work to boost...
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Cheap intelligence is here. Build the harness.2026-06-15LLM compute is getting cheap, but the bottleneck is the harness that turns it into permissioned, auditable dec...
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LangChain adds in-flight PII redaction for streaming (plus a Perplexity API togg...2026-05-27LangChain 1.3.2 quietly adds streaming-time PII redaction and a few middleware tweaks, with a small Perplexity...
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AI Agents Meet Platform Reality: ToS-Safe Automation and Auditable Grounding Now...2026-03-11Platforms are tightening rules around AI agents and assistants, pushing teams to ship ToS-compliant automation...
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Production RAG gets pragmatic: grounding, semantics, and a full-scan option2026-03-07Enterprise teams are converging on retrieval-first, governed architectures to cut LLM costs and hallucinations...
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Perplexity macOS CVE-2025-0599 reveals agentic desktop attack surface2026-03-05A critical CORS misconfiguration in Perplexity AI’s macOS app (CVE-2025-0599) exposed local files and spotligh...
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Make RAG reliable: Perplexity doc uploads + hybrid BM25 retrieval2026-03-04Combine Perplexity’s multi‑format document ingestion with hybrid BM25+embedding retrieval to boost recall and ...
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Inside Perplexity’s Model Routing and Citation Stack2026-02-24Perplexity’s approach combines model routing, retrieval orchestration, and grounded generation with citations ...