How to Use Perplexity AI in 2026: The Complete Guide

Last Updated: July 25, 2026

Perplexity is not a chatbot. It is an answer engine - and that distinction changes how you use it.

ChatGPT and Claude generate responses from training data and tell you what they know. Perplexity searches the live web on every single query, reads multiple sources, synthesizes the findings, and shows you exactly which source supports every claim. You can click any numbered citation and go directly to the original article. This is why Perplexity achieves 94% citation accuracy in independent testing - and why it is structurally better than any other AI tool for research requiring current, verifiable information.

Perplexity crossed 170 million monthly visitors in 2026. Pro Search - Perplexity's multi-step deep research mode that reads 10-20 sources per query - is the feature most professionals use daily. Deep Research goes further, visiting over 100 sources and producing a structured report. Comet, Perplexity's AI-native browser launched on iOS in March 2026, hit the number three spot on the US App Store within 48 hours and is now free on all platforms.

This guide covers everything - how Perplexity works, all plans and pricing verified July 2026, Pro Search and Deep Research workflows, Spaces for project research, Labs for structured outputs, the Comet browser, Focus modes, and specific prompts for business and research use cases. Every plan detail was verified against Perplexity's official pricing page as of July 5, 2026.

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Perplexity AI is an answer engine available at perplexity.ai and via iOS and Android apps. Every answer cites sources inline with numbered references you can click to verify. The current plans: Free (unlimited basic search, approximately 3 Pro Searches per day), Pro ($20/month - unlimited Pro Search, 20 Deep Research per day, model choice including GPT-5.2, Claude Sonnet 4.6, and Gemini 3 Pro), Max ($200/month - unlimited Labs, Model Council, 10,000 Perplexity Computer credits), Education Pro ($10/month for verified students), and Enterprise tiers starting at $40/user/month.

The Comet browser - Perplexity's AI-native browser that lets you research any webpage with AI context - is free on all platforms as of 2025. The WhatsApp bot lets you query Perplexity directly from WhatsApp without opening an app.

The clearest starting point: use Perplexity whenever you need a current, sourced answer rather than a generated response. For any question where accuracy and source verification matter - market research, competitive intelligence, fact-checking, academic research, current statistics - Perplexity is the right tool. For creative writing, document drafting, and conversational tasks, Claude or ChatGPT is more appropriate.

How to access Perplexity:

Your first search:

Type your question in the search box and press Enter. Perplexity returns a synthesized answer with numbered citations alongside a list of sources. Click any number in the text to see the source URL, title, and supporting snippet.

The immediate difference from Google: Perplexity gives you the answer. Google gives you links to pages that might have the answer. For research questions, Perplexity eliminates the click-through, skim, tab-open, repeat cycle that makes manual research time-consuming.

Three setup steps worth doing first:

Step 1: Create a free account.
Creating an account (email, Google, or Apple) unlocks your search history, Spaces, and the ability to return to prior research threads. It takes 30 seconds and no credit card.

Step 2: Set your default AI model (Pro users).
In Settings → AI Model, set your default to Claude Sonnet 4.6 for writing-heavy research tasks or GPT-5.2 for broad synthesis. You can switch models per query rather than globally if you prefer.

Step 3: Download the Comet browser.
Comet is free and changes how you research. Instead of switching tabs between your browser and Perplexity, Comet puts the AI directly in the browser so you can query any webpage you are reading. Worth installing before your first research session.

Understanding Perplexity's citation model is the key to using it well and knowing when to trust its outputs.

The search-read-synthesize process:

When you submit a query, Perplexity searches the live web and retrieves relevant pages. It reads those pages and extracts the relevant information. It synthesizes a coherent answer from the extracted information. It attaches numbered citations to every specific claim.

This process happens in seconds for standard search and in 10-30 seconds for Pro Search, which reads more sources and applies more reasoning to the synthesis.

The citation numbers:

Every factual claim in a Perplexity answer has a numbered reference in brackets - [1], [2], [3] - appearing either inline or at the end of the sentence. The source panel on the right side of the interface (or below the answer on mobile) lists all sources with URL, title, and the specific snippet Perplexity used to support that claim.

This is Perplexity's most important feature for professional use. When you need to verify a statistic, attribute a quote, or check a claim before using it in a presentation or report, you click the citation and go directly to the source. No other AI tool does this at the same level of transparency.

The 94% citation accuracy finding:

Independent testing by Talkory.ai's May 2026 100-prompt research comparison found Perplexity achieving 98% valid citations - meaning 98 out of 100 cited sources actually existed and supported the adjacent claim. This compares to significantly lower rates for ChatGPT and Claude answering from training data alone.

The honest caveat: Perplexity can still hallucinate in the synthesis layer. The sources are real - but Perplexity's interpretation of what they say can occasionally be imprecise. For high-stakes research, click through to the primary source rather than trusting only the synthesized answer.

For the full data on AI accuracy across all major platforms, our AI hallucination statistics guide covers the research in detail.

Plan details verified against Perplexity's official pricing as of July 5, 2026. Perplexity consolidated its plan lineup on July 5 - verify current pricing at perplexity.ai before purchasing.

Free ($0):

Who it is for: Casual researchers and anyone evaluating whether Pro is worth it. The free tier is genuinely capable for everyday factual questions. The Pro Search cap (3/day) is the limit most regular users hit first.

Pro ($20/month or $200/year):

Who it is for: Anyone who does regular research for work. The unlimited Pro Search alone justifies Pro if you exceed the 3 free daily queries - which most professionals do within their first research session.

The honest reality: Pro is the best-value $20 AI subscription currently available for research-focused users. The May 2026 addition of CB Insights, PitchBook, and Statista integration means Pro users access premium data services worth $10,000+/year through natural language queries.

Education Pro ($10/month):
Verified students with a .edu email get Pro-level features at half price. Verify eligibility at perplexity.ai/students. Some promotional windows have offered Education Pro as low as $5/month. If you are a student, this is the best value AI subscription available anywhere.

Max ($200/month):

Who it is for: Researchers who regularly need Model Council for high-stakes analysis, heavy Labs users building structured outputs from research, and teams who need autonomous Perplexity Computer workflows. For most professionals, Pro covers everything they use. Max is justified only if you will regularly use Model Council or Labs at volume.

Enterprise Pro ($40/user/month):
Adds team features not available on individual plans: Shared Spaces for team research, admin controls, SSO, SCIM provisioning, audit logs, explicit no-training-on-user-data guarantees. 400 Pro Searches per week per user, 50 Deep Research queries per month per user. For organizations with data privacy requirements - healthcare, finance, legal - the no-training guarantee is the critical differentiator.

Enterprise Max ($325/user/month):
4,000 Pro Searches per week, 500 Research queries per month, unlimited Labs, expanded audit logs, dedicated account manager. Positioned for research-intensive organizations where Perplexity is core work infrastructure.

For complete pricing comparisons across all major AI platforms, our AI pricing guide 2026 covers every tier.

Pro Search is the feature that separates Perplexity from every other AI tool for research tasks. It is not a marketing label - it is a fundamentally different process.

Standard search vs Pro Search:

Standard search takes 1-2 seconds. It retrieves relevant pages and synthesizes a quick answer from the top results. Good for simple factual questions with clear answers.

Pro Search takes 10-30 seconds. It runs a multi-step research process: understanding what you are actually asking, identifying which sources are most authoritative, reading 10-20 sources fully, cross-referencing claims across sources, and synthesizing a comprehensive answer that accounts for disagreements between sources. It also asks clarifying questions before starting for ambiguous queries.

When to use Pro Search:

Toggle Pro Search on (the toggle appears in the search bar) for any question where a quick answer would feel incomplete. Complex research questions requiring multiple perspectives. Academic research where source quality matters. Business intelligence queries. Any query where you would normally spend 30 minutes reading multiple articles.

Save your 3 free daily Pro Searches for your most important questions. On Pro ($20/month), Pro Search is unlimited - use it freely.

The prompts that make Pro Search more effective:

The instruction to "flag where sources disagree" is particularly powerful - it prevents Perplexity from smoothing over genuine controversies in the synthesis.

Deep Research is Perplexity's most comprehensive research mode - a multi-step process that visits over 100 sources per query and produces a structured report. It runs on Claude Opus 4.6 as the backend model for its reasoning depth.

How Deep Research works:

You submit your research question. Perplexity asks clarifying questions to narrow the scope - answer them for a better report. Perplexity then runs the research autonomously, visiting and reading over 100 sources, cross-referencing findings, and compiling a structured report. The process takes 2-5 minutes. The output is a document-length synthesis with comprehensive citations.

Access:

The queries Deep Research handles best:

The Deep Research prompt structure:

The record mode + Deep Research combination:

If you use ChatGPT's Record Mode in a meeting to capture discussions, immediately paste the meeting summary into Perplexity Deep Research asking it to research specific topics, questions, or unknowns that came up. The combination turns a meeting into a comprehensive research brief in under 30 minutes.

For how Deep Research compares to ChatGPT's Deep Research mode and Claude's document analysis, our perplexity vs chatgpt guide covers the specific comparison.

Spaces are Perplexity's equivalent of Projects in Claude - persistent research workspaces where you can upload documents, add URLs, and maintain a running research context across multiple sessions.

What makes Spaces different from a regular conversation:

A standard Perplexity search starts fresh each time. A Space maintains persistent context - your uploaded documents, your added URLs, and any instructions you have set remain available for every search within that Space indefinitely. This turns Perplexity from a query-by-query tool into a sustained research environment.

Setting up a Space:

Click Spaces in the left sidebar. Create New Space. Name it for your project or topic. Write instructions - tell Perplexity how to approach searches in this Space, what sources to prioritize, and what format you prefer for answers. Upload relevant documents (Pro: 50 files per Space, Max: 5,000 files per Space). Add URLs of websites to monitor or reference.

The highest-value Space setups:

Competitive intelligence Space:
Instructions: "You are tracking competitive developments for [Company] in the [Industry] space. For every search, prioritize recent developments from the last 30 days. Always cite the date of each source. Flag any pricing changes, product launches, executive statements, or strategic partnerships."

Upload: competitor pricing pages (saved as PDFs), recent earnings transcripts, key competitor blog posts.

Every search in this Space automatically applies your competitive context. Search "what has [competitor] announced this week" and Perplexity references your uploaded materials alongside its live web search.

Research project Space:
For students and researchers: upload your literature review sources, your notes, your draft. Every search references your materials. Ask Perplexity to find new sources that complement what you have already collected. Build your research base over days and weeks rather than starting from scratch each session.

Industry monitoring Space:
Upload your industry's key publications as reference points. Set instructions to always prioritize sources from specific trade publications. Run daily searches for industry news and get answers that understand your specific industry context.

Focus modes restrict Perplexity's search to specific source types. Switching from Web to Academic means every answer draws only from peer-reviewed research. Switching to Reddit means every answer synthesizes community discussions.

The available Focus modes:

The Academic Focus mode is one of Perplexity's most underrated features:

Switch to Academic mode and every answer draws from peer-reviewed journals, conference papers, and academic repositories. For students, researchers, and anyone needing to cite authoritative sources rather than blog posts, Academic mode produces genuinely citation-ready research.

The Reddit Focus mode for real user intelligence:

Reddit contains unfiltered consumer opinions that marketing materials cannot replicate. For competitive intelligence, product research, and understanding actual user experiences:

Labs is Perplexity's newest capability - turning research into structured outputs: spreadsheets, dashboards, presentations, and web applications.

What Labs produces:

From a research query, Labs can generate a working spreadsheet with data tables, a visual dashboard with charts, a formatted report ready to present, or a simple web application. The output is not just text - it is a formatted, downloadable deliverable.

Access: Limited monthly quota on Pro. Unlimited on Max.

The most useful Labs use cases:

Competitive analysis spreadsheet from a single prompt:

Market research dashboard:

The Labs caveat:

Labs is most useful when you need structured output from research you could do manually but want formatted automatically. For simple data questions, standard search is faster. Labs earns its value when you need a deliverable rather than an answer.

Comet is Perplexity's AI-native browser - a full web browser built on Chromium with Perplexity's answer engine running alongside every page you visit. It launched globally in October 2025, released on iOS in March 2026 (hitting #3 on the US App Store within 48 hours), and is now free on all platforms.

What makes Comet different from opening Perplexity in Chrome:

In Chrome, you research in one tab and browse in another. In Comet, the AI is present in every tab simultaneously. You can highlight any text on any webpage and ask Perplexity about it without leaving the page. You can ask Comet to summarize any page you are reading. You can query across multiple open tabs simultaneously.

The Comet feature set:

The Perplexity Computer feature:

Perplexity Computer is the agentic mode that takes full control of Comet to complete complex multi-step workflows. Give it a goal - "research the top 10 competitors in [category], compile their pricing, and create a comparison table" - and Perplexity Computer navigates to each company's website, reads the pricing page, and compiles the table autonomously. Available on Pro with $40/month in credits and unlimited on Max.

The practical value for researchers:

The most time-consuming part of web research is not finding sources - it is reading them. Comet compresses the reading step: load a page, click summarize, get the key points in 10 seconds, decide whether to read the full article or move to the next source. For systematic literature review or competitive research across many sources, this changes the time required dramatically.

Model Council is a Max-tier feature that runs your research question across three frontier AI models simultaneously and shows you where they agree and where they diverge.

Why this matters for high-stakes research:

Different AI models have different training emphases, different knowledge strengths, and different tendencies in how they interpret and synthesize information. Running the same legal research question through GPT-5.2, Claude Sonnet 4.6, and Sonar Pro simultaneously shows you not just one perspective but three - and highlights where the models disagree, which is often where the most important uncertainty lies.

The use cases where Model Council earns its value:

Legal research where the interpretation of regulations or precedents is contested. Medical information where different sources and models may emphasize different findings. Investment thesis stress-testing where you want adversarial perspectives on your assumptions. Any research where you suspect a single model's perspective might be systematically biased toward one interpretation.

How to access Model Council:

Model Council is available through the model selector dropdown in any Pro or Max query. It is not the default view - select "Model Council" from the dropdown before submitting your query.

Perplexity Pro allows unlimited file uploads - PDFs, images, audio files, and documents - and lets you ask questions that combine your documents with live web search in the same answer.

What this enables:

Upload your company's annual report and ask Perplexity to compare your financial metrics against what public sources say about industry benchmarks. Upload a research paper and ask Perplexity to find recent papers that cite it, contradict it, or build on its findings. Upload a contract and ask Perplexity to identify unusual clauses compared to standard practice in that contract type - pulling from both your document and current legal resources.

The combined document and web search prompt:

This combination - your proprietary document plus live web context - is not available in any other AI tool at this quality and price point.

Competitive intelligence (the highest-ROI professional use case):

Run this weekly in a dedicated competitive intelligence Space and you have a continuously updated competitive briefing without manual research.

Market sizing and business cases:

Due diligence research:

Current statistics for presentations:

Perplexity is the correct tool for this query specifically because it searches the live web and cites every statistic. For any presentation or report that will be scrutinized, Perplexity's cited answers reduce the risk of citing outdated or fabricated statistics.

In conversations with marketing and research professionals about their AI tool use, the consistent pattern is that Perplexity becomes their first tool for anything requiring current data and their last tool for fact-checking anything before publication. The citation model makes it the most trustworthy AI tool for sourced research - not because it never makes mistakes, but because its mistakes are visible and verifiable.

Regulatory and policy research:

For academic research (Academic Focus mode):

For the complete research workflow combining Perplexity, Claude, and ChatGPT in sequence, our how to use AI for competitive intelligence guide covers the full three-tool approach.

Use Perplexity when:

You need current information with verified sources. Perplexity searches the live web on every query and cites every claim. For any research where you would need to click through multiple Google results and verify sources manually, Perplexity compresses that process dramatically.

You are fact-checking a claim before using it. The citation model makes verification immediate - click the number, see the source, check the claim.

You are doing sustained research on a topic. Spaces maintain project context across sessions. Deep Research produces comprehensive reports from 100+ sources in one query.

You need data from CB Insights, PitchBook, or Statista on Pro. The May 2026 integration makes these $10,000+/year data services accessible through natural language on a $20/month subscription.

Use ChatGPT when:

You need creative output, image generation, or voice conversation. ChatGPT's DALL-E integration, Advanced Voice Mode, and ChatGPT Work for connected workflows are capabilities Perplexity does not have.

You need a general-purpose AI assistant for tasks beyond research. Writing, coding assistance, brainstorming, document creation - ChatGPT's breadth is broader.

Use Claude when:

You need to analyze long documents from your own files - contracts, reports, research papers. Claude's 200K free context window handles full documents better than Perplexity's file upload feature for pure document analysis tasks.

Writing quality is paramount. Claude consistently produces the most natural prose for professional writing tasks.

Use Google when:

You need navigational search - finding a specific website. Shopping with product listings, reviews, and local availability. Maps and location-based searches. Google's established infrastructure for these tasks still outperforms AI search engines for navigation and transactions.

The optimal combination:

Perplexity for research and fact-finding. Claude for document analysis and writing. ChatGPT for image generation and connected app workflows. Google for navigation and shopping. This combination - covering each tool's structural strengths - produces better outcomes than defaulting to any single platform for everything.

For our detailed comparison of Perplexity against ChatGPT specifically on research tasks, our perplexity vs chatgpt guide covers the head-to-head in detail. For Perplexity versus Google on search, our perplexity vs google guide covers the search comparison.

Perplexity cannot replace human judgment on what sources to trust.

Perplexity retrieves real sources and cites them accurately. But the quality and credibility of sources varies - a Wikipedia article and a peer-reviewed journal paper are both "sources" in Perplexity's world. For high-stakes research, assess the credibility of the cited sources rather than treating all citations as equally authoritative.

Perplexity cannot access paywalled content.

Premium subscription publications, paywalled journal articles, and content behind authentication walls are not accessible to Perplexity's crawler. If the best sources on your topic are paywalled, Perplexity can find what is publicly available - but the depth of its research is limited by what the open web contains.

Perplexity cannot generate images or video in standard search.

Standard and Pro search do not include image generation. Max subscribers get video generation via Sora 2 Pro (15 generations per month). For AI image creation, ChatGPT with DALL-E or Gemini with Imagen 3 are the appropriate tools.

Perplexity can still hallucinate in the synthesis layer.

Sources are real. Perplexity's interpretation of what those sources say can occasionally be imprecise - particularly on nuanced technical or legal topics where phrasing matters. For any claim that will be cited in formal work, click through to the primary source rather than trusting only the synthesized answer.

Perplexity is not a writing assistant.

It is an answer engine. For tasks requiring extended prose - long-form writing, document drafting, email sequences, creative work - Claude or ChatGPT are more appropriate. Perplexity's output is research-formatted, not prose-formatted, by design.

Perplexity AI Statistics 2026: Users, Revenue & Growth
The data behind Perplexity - 170M monthly visitors, $450M ARR, $9B valuation, and how it killed advertising.

Perplexity vs ChatGPT: Which Is Better for Research?
The detailed head-to-head for research tasks - when Perplexity's citation model beats ChatGPT's breadth.

Perplexity vs Google: AI Search vs Traditional Search
When to use Perplexity instead of Google and when Google still wins.

How to Use AI for Competitive Intelligence in 2026
The three-tool research workflow - Perplexity for discovery, Claude for analysis, ChatGPT for output.

How to Use ChatGPT in 2026: The Complete Guide
The parallel guide for ChatGPT - when to use it instead of or alongside Perplexity.

Claude vs Perplexity: Which AI Is Better for Research?
When Claude's document analysis beats Perplexity's web research and vice versa.

AI Search Statistics 2026
The broader AI search market context - how Perplexity fits into the shift away from traditional search.

What is Perplexity AI and how does it work?
Perplexity AI is an answer engine that combines real-time web search with large language models and shows source citations alongside every answer. Unlike ChatGPT or Claude which generate responses from training data, Perplexity searches the live web on every query, reads multiple sources, synthesizes a comprehensive answer, and attaches numbered citations to every specific claim. You can click any citation to go directly to the original source. This citation model is why Perplexity achieves 94% citation accuracy in independent testing - making it structurally more appropriate than other AI tools for research requiring current, verifiable information.

What is the difference between Perplexity free and Pro?
The free tier provides unlimited basic search with approximately 3 Pro Searches per day and approximately 5 Deep Research queries per day. Pro at $20/month provides unlimited Pro Search, 20 Deep Research queries per day, model choice (GPT-5.2, Claude Sonnet 4.6, Gemini 3 Pro), unlimited file uploads (50MB each), Spaces with up to 50 files, limited monthly Labs queries, and $5/month in API credits. The most important practical difference: the 3 daily Pro Search limit on the free tier fills up quickly for anyone doing serious research. Pro's unlimited Pro Search pays for itself the first research session where you would have exceeded the free limit.

Is Perplexity better than ChatGPT?
For research requiring current, verified information: Perplexity is better. Every answer cites live web sources you can verify. ChatGPT generates from training data (which has a cutoff date) and does not show sources for standard queries. For creative work, image generation, voice conversation, and connected workflow automation (ChatGPT Work): ChatGPT is better. Perplexity is not a general-purpose AI assistant - it is a research tool. The optimal approach for most professionals: Perplexity for research and fact-finding, ChatGPT for creative and workflow tasks, Claude for document analysis and writing quality.

What is Pro Search in Perplexity?
Pro Search is Perplexity's multi-step research mode that takes 10-30 seconds rather than 1-2 seconds for standard search. It reads 10-20 sources, cross-references findings across sources, notes where sources disagree, and synthesizes a comprehensive answer that reflects the full complexity of the topic. Toggle Pro Search on in the search bar. Free users get approximately 3 Pro Searches per day. Pro subscribers get unlimited Pro Search. Use Pro Search for any research question where a quick answer would feel incomplete - competitive analysis, market research, academic topics, and complex business questions.

What is Perplexity Deep Research?
Deep Research is Perplexity's most comprehensive research mode, visiting over 100 sources per query and producing a structured document-length report. It runs on Claude Opus 4.6 as the backend reasoning model. Before starting, it asks clarifying questions to narrow the scope - answer them for more relevant output. The process takes 2-5 minutes. Output is a structured report with comprehensive citations. Free users get approximately 5 Deep Research queries per day. Pro users get 20 per day. Best for: market research briefs, competitive landscapes, academic literature synthesis, due diligence research, and any topic where you would normally spend hours reading multiple articles.

What are Perplexity Spaces?
Spaces are persistent research workspaces where you can upload documents, add URLs, and maintain research context across sessions. Unlike a standard Perplexity search that starts fresh each time, a Space remembers your uploaded materials and instructions indefinitely. Set up a Space for each major research project or ongoing monitoring need. Upload relevant documents (Pro: 50 files per Space, Max: 5,000 files). Add custom instructions about how to approach searches in this Space. Every search within the Space references your uploaded materials alongside live web search. Available on Pro and above.

Is the Perplexity Comet browser free?
Yes. Comet is free for all users on Mac, Windows, iOS, and Android as of March 2026. It was originally priced at $200/month on desktop but Perplexity made it free across all platforms. The iOS version launched March 18, 2026 and reached #3 on the US App Store within 48 hours. Comet is a full Chromium-based browser with Perplexity's answer engine running alongside every page you visit. Key features: in-page research, page summarization, chat with any webpage's content, and Perplexity Computer agentic automation. Download separately from the App Store or Google Play - it is not built into the main Perplexity app.

How much does Perplexity Pro cost?
Perplexity Pro costs $20 per month or $200 per year (approximately $16.67/month, saving 17% versus monthly). Education Pro for verified students costs $10/month through SheerID verification. Max costs $200/month. Enterprise Pro costs $40/user/month. Enterprise Max costs $325/user/month. Pricing verified July 5, 2026 per Perplexity's official pricing page. The annual Pro plan is worth choosing if you are confident you will use Perplexity for at least 10 months. The monthly plan lets you evaluate Pro before committing annually.

Can Perplexity access academic papers?
Yes - switch to Academic Focus mode (the focus mode selector appears below the search bar) to restrict Perplexity's search to peer-reviewed journals, conference papers, and academic repositories. Academic mode is one of Perplexity's most underrated features. For literature review, scientific research, and any query where peer-reviewed sources are required rather than general web results, Academic mode produces genuinely citation-ready research. On Pro, you can also upload PDFs of academic papers to Spaces and ask questions that combine your uploaded papers with live searches for related research.

Perplexity is the right tool when accuracy and source verification matter more than creative breadth.

The citation model is the whole story. Every specific claim links to a source you can click. Every piece of research is verifiable before you use it. For a journalist fact-checking a statistic, a business analyst building a market research brief, a student writing a cited paper, or a professional preparing for a negotiation with current competitive data - Perplexity's sourced answers change what is possible in a research session.

The practical starting point: install Comet (free), create a Perplexity account (free), and run your next research query through Pro Search rather than Google. The 10-30 seconds Pro Search takes produces synthesized, cited answers that would take 20-30 minutes of manual Google research to replicate. If you do more than 3 research queries per day, Pro at $20/month removes the daily limit and unlocks Deep Research, model choice, and Spaces.

The Spaces feature is the upgrade that makes Perplexity a research system rather than a query tool. Set up one Space for your most active research project this week. Upload the relevant documents. Write the instructions. Every subsequent search in that Space builds on the context you have established rather than starting over.

The distinction between Perplexity and its competitors is not capability - it is design intent. ChatGPT is designed to help you do things. Claude is designed to help you think. Perplexity is designed to help you know - with sources, currently, and verifiably. For the research layer of any knowledge work, it is the correct tool.