Perplexity
AI answer engine that combines web search with LLM reasoning and inline source citations.
Perplexity is an AI answer engine that combines web search with LLM reasoning and inline source citations. Combines real-time web search with large language model reasoning to generate answers.
About Perplexity
Perplexity is an AI answer engine — it pairs real-time web search with LLM reasoning and cites its sources inline.
Its whole model is answers with receipts: every response links to the original sources it used, it runs multiple LLM backends including OpenAI and Anthropic models, and it's on web plus native macOS, iOS, and Android.
It fits people who want researched answers with citations rather than a blank-slate chat. Two caveats: the free tier caps Pro searches per day, and because answers lean on live web search, it depends on internet connectivity.
It's the search-grounded answer engine, distinct from the open-chat assistants like ChatGPT, Claude, and Gemini.
Sources: perplexity.ai, this listing
What it does well
- Combines real-time web search with large language model reasoning to generate answers.
- Provides inline source citations linked to the original sources used in each response.
- Supports multiple LLM backends including models from OpenAI and Anthropic.
- Available as native applications on macOS, iOS, and Android in addition to the web interface.
Where it falls short
- Free tier limits the number of Pro searches per day.
- Core answer generation depends on live internet connectivity for web search and citations.
Tagged
- Supports Claude
- Supports GPT
- Web-based
- Free
- Freemium
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Related reading
- Attention Is the New Oil
If you built something with AI, posting is getting hard to ignore. GaryVee's 'interest media' shift is real — more feeds now recommend content by interest, not only by who follows you — so a maker with zero followers can sometimes out-reach an established brand. That's the unlock and the mandate: building got faster, getting seen is the job, and many products struggle to grow without it. Here's the honest first move, written for a builder who would rather ship a feature than post.
Read guide → - The Future of Marketing for People Who Build with AI
When AI makes building a product trivial and floods the web with generic content, marketing inverts: distribution becomes the moat, and distribution increasingly means being the source AI answer engines and buying agents cite and recommend. The durable move before 2027 is to engineer your product to be machine-discoverable and corroborated from day one — even at zero domain authority. Strong in the future means cited, not ranked.
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The cheapest way to get your first users for a vibe-coded app is organic short-video: post native-looking TikToks and Reels from accounts that read like your target user, and convert people in the comments — no ads, no influencers. It's slow at first and most clips flop, but it's how indie consumer apps go from zero to their first thousands of downloads.
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Concepts you should know
- AI Overview
Google Search's generative answer block that sits above the classic blue-link results. Powered by Gemini, it summarises top sources and links out to them. The biggest single AEO/GEO citation surface as of 2026.
- Citation
When a generative-search system attributes part of its answer to a specific source URL, usually with a footnote-style number or an inline link. The visible signal that a brand was used to ground a model's answer.
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</a>Frequently asked questions
- What is Perplexity?
- Perplexity is an AI answer engine that combines web search with LLM reasoning and inline source citations.
- Is Perplexity free?
- Perplexity offers a free tier and paid plans with higher limits or premium features.
- What platforms does Perplexity support?
- Perplexity runs on web, mac, ios, android.
- What category does Perplexity belong to?
- Perplexity is in the AI Chatbots & Assistants category — Custom GPTs, Claude apps, niche assistants — chat interfaces aimed at a specific user, topic, or workflow.
- What are the downsides of Perplexity?
- Free tier limits the number of Pro searches per day. Core answer generation depends on live internet connectivity for web search and citations.