Perplexity AI
AI-powered answer engine that gives cited, real-time answers instead of a list of links.
Introduction
Perplexity AI is a conversational search engine that synthesises real-time web content into direct, cited answers. Unlike traditional search, it eliminates the need to sift through links by surfacing a coherent response with inline source references. It supports follow-up questions, document uploads, and image generation. The free tier is highly capable, and Perplexity Pro adds faster models and unlimited file analysis, making it accessible across income levels.
Pricing
From $20 / month
Lumen Trust & Privacy Note
Audited February 2026Perplexity processes all queries on cloud infrastructure with no local option, keeping sovereignty low. Its transparent citation model and a genuinely useful free tier represent both an ethical commitment to honest information and broad access parity. Strongly recommended for research, fact-checking, and staying current — treat it as a research assistant, not a replacement for primary source verification.
Disclaimer
Information provided may be inaccurate or outdated.
Pricing and features are subject to change by the provider.
The Lumen Trust & Privacy Note is a transparency assessment based on available provider data and should not be taken as a definitive legal or security audit.
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