Perplexity
The answer engine that searches the live web and cites every source
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About Perplexity
Perplexity is a conversational AI search engine that answers questions directly by synthesizing real-time web results into a single response with inline, numbered citations, rather than returning a list of links to click through. It routes queries across multiple frontier models — including GPT, Claude, Gemini, and Perplexity's own Sonar family — letting users pick a preferred model or let Perplexity choose automatically for each query. Beyond standard search, Perplexity offers Pro Search for multi-step reasoning, Deep Research for longer investigative reports, and Spaces for organizing research projects with uploaded files.
The product line has expanded well past search: Comet, Perplexity's AI-powered browser, became free for all users in March 2026 and includes agentic page summarization, voice mode, and in-browser Deep Research. Perplexity Max ($200/month) adds Perplexity Computer, which orchestrates roughly 19 specialized AI models as sub-agents for complex multi-step projects, along with Model Council, a feature that runs a query across three frontier models simultaneously and synthesizes where they agree or diverge. Enterprise tiers (Enterprise Pro and Enterprise Max) add SSO, audit logs, data-retention controls, and per-seat pricing for organizations.
Perplexity's Free tier offers unlimited basic searches with a daily cap on advanced Pro Searches, making it usable without any payment. Pro costs $20/month ($16.67/month billed annually) and removes that cap while unlocking model switching, file uploads, and image/video generation. A discounted Education Pro plan is available to verified students at $10/month. For developers, the Sonar API is billed separately on a pay-as-you-go basis by tokens and search context, independent of the consumer subscription tiers.
Key Features
- Conversational answer engine with live web search and inline citations
- Model switching across GPT, Claude, Gemini, Sonar, and other frontier models
- Pro Search for multi-step reasoning queries
- Deep Research for longer, multi-page investigative reports
- Spaces for organizing research projects with uploaded files
- Comet AI browser with agentic summarization and voice mode, free for all users
- Model Council: parallel-dispatch queries across three frontier models with synthesis
- Perplexity Computer for orchestrating specialized AI sub-agents on complex tasks
- Sonar developer API for embedding search-grounded answers into other apps
- Enterprise controls: SSO, audit logs, data retention, and SOC 2 compliance
Pros
- Every answer includes transparent, checkable source citations
- Genuinely useful free tier with no credit card required
- Model-agnostic: choose the best AI model per query instead of being locked to one
- Comet browser brings agentic search directly into everyday browsing, and it's free
- Fast, cited answers for research-heavy and time-sensitive queries
Cons
- Max tier is a steep 10x price jump from Pro ($20 to $200/month)
- Citations occasionally don't fully match the underlying claim, requiring manual verification
- Sonar API pricing is separate from subscriptions and can be harder to budget for
- Not built for workflow/task automation like CRM updates or ticket handling
- Weekly/monthly usage caps on some features can be a surprise for heavy users
Pricing
Free: unlimited basic searches with Sonar, capped Pro Searches (~3-5/day), limited file uploads. Pro: $20/month ($16.67/month billed annually) — unlimited Pro Search, ~20 Deep Research queries/day, model switching across GPT, Claude, Gemini and Sonar, image/video generation, and Comet Plus included. Max: $200/month ($167/month billed annually) — unlimited Deep Research, Perplexity Computer with a large monthly credit pool, Model Council, and priority access to new models. Education Pro: $10/month for verified students via SheerID. Enterprise Pro: $40/seat/month; Enterprise Max: custom pricing (reported around $325/seat/month) with SSO, audit logs, and data-retention controls. The Comet browser is free for everyone. The Sonar API is billed separately, pay-as-you-go by tokens and search-context size.
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Frequently Asked Questions
Yes. The Free tier includes unlimited basic searches with citations and no credit card required, though advanced Pro Searches are capped at a few per day.
Comet is Perplexity's AI-powered browser, free for all users on Mac, Windows, iOS, and Android, with built-in agentic search, page summarization, and voice mode.
Perplexity is built around real-time web search with transparent citations, while ChatGPT is a broader conversational assistant; many people use Perplexity for research and cite-checking specifically.
Perplexity routes across multiple frontier models including GPT, Claude, Gemini, and its own Sonar family, with Pro and Max letting users pick a preferred model.
Yes, the Sonar API is available for developers on a separate pay-as-you-go pricing model based on tokens and search context size.
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