What Is Perplexity?
Perplexity is an AI answer engine. Users ask a question in plain language and get an answer with citations that show where it came from. The Free plan covers search with citations and basic AI models. Paid plans add Deep Research, a choice of AI models, document and app creation, and Perplexity Computer, an AI assistant for multi-step work.
Who Should Use Perplexity?
Perplexity is useful for students, writers and analysts who want sourced answers fast. Free users can test it on simple questions. People who do deeper research or want to pick their AI model should look at Pro. Max is for heavy users who run many Computer tasks. Check the credit rules before you start.
How Does Perplexity Work?
- Go to perplexity.ai or open the Perplexity app, and type a question in plain language.
- Read the answer and check the citations to see its sources.
- On a paid plan, pick an AI model or use Deep Research for longer research.
- For multi-step work, start a Computer task, or use the Comet Assistant in Work mode.
- Open the Usage page to see your credits and weekly Computer usage.
Perplexity Pricing and Plans
The screenshot shows the Individual tab with yearly prices. Free costs $0. Pro costs $17 per month when billed annually, and Max costs $167 per month when billed annually. The Enterprise tab is not in the screenshot, so this section covers only Individual plans. Pro lists Deep Research and 4,000 bonus credits. Max lists 10,000 monthly credits and 35,000 bonus credits.
| Plan | Price | Billing | Main Features and Limits |
|---|---|---|---|
| Free | $0/month | Not applicable | Citations in every answer; basic AI models; limited daily usage |
| Pro | $17/month | Yearly (billed annually) | Deep Research; model selection; expanded Computer access; 4,000 bonus credits |
| Max | $167/month | Yearly (billed annually) | Maximum Computer usage; 10,000 monthly credits; 35,000 bonus credits; frontier models |
Is Perplexity Free?
Yes. Perplexity has a Free plan at $0 per month. It gives search with accurate answers and citations, access to basic AI models and limited daily usage. Perplexity's help center lists 3 Pro Searches per day on Free. Computer is not available on free accounts.
Perplexity Key Features
Cited Answers
The screenshot lists citations in every answer, even on the Free plan. Citations show the sources behind a claim, so users can check them. Free also includes access to basic AI models and is described as better for simple questions.
Deep Research
Pro lists Deep Research for longer, in-depth research on a topic. Max lists expert level research and the highest usage limits and memory. The Free plan does not list Deep Research in the screenshot, so heavy researchers will likely need a paid plan.
AI Model Choice
Pro lets users select between AI models and lists access to top AI models. Max lists frontier AI models, which are the newest and strongest ones. Free lists only basic AI models. Choosing a model helps when one task needs a different style of answer.
Perplexity Computer
Computer is Perplexity's AI assistant for multi-step work. Perplexity says it gathers context, uses tools and carries tasks across the web, files and connectors. Pro lists expanded Computer access, and Max lists maximum Computer usage. Free accounts cannot use it.
Credits and Weekly Usage
Computer runs on credits, and 100 credits equal $1. Pro has no monthly credits but includes weekly Computer usage and a one-time 4,000 credit bonus. Max includes 10,000 credits a month. Ask searches do not use credits, but Computer tasks do.
Documents, Apps and Comet Assistant
Pro lists the ability to create polished documents and apps. The Comet Assistant has two modes. Search mode answers questions without using credits. Work mode hands your request to Computer and uses credits, so check the mode before you send a prompt.
Should You Use Perplexity?
Perplexity suits people who want sourced answers and research help, and the Free plan lets you try it first. Pro's Computer access depends on weekly included usage and a one-time bonus, so heavy agent work may need extra credits or Max. Check the credit rules before you start Computer tasks. This overview is based on publicly available product information and is not a hands-on review.
Pros and cons
Pros
- Every answer includes citations, even on the Free plan.
- A Free plan lets people try Perplexity before paying.
- Pro lists Deep Research and the choice of AI models.
- Ask searches do not use credits.
Cons
- Free has limited daily usage, and Computer is not available on free accounts.
- Pro's 4,000 bonus credits are one-time and expire in about 30 days.
- Computer tasks use credits. Perplexity lists about 350 to 950 credits for a multi-step research report.
- Unused monthly credits do not roll over.
Popular Perplexity use cases
Sourced Answers
Ask a question and use the citations to check the sources yourself.
In-Depth Research
Pro users can use Deep Research for longer, in-depth research on a topic.
Choosing AI Models
Pro users can choose a different AI model for each task.
Documents and Apps
Pro users can create polished documents and apps, and Computer can build larger projects with credits.
Frequently asked questions
Is Perplexity free?
Yes. Perplexity has a Free plan at $0 per month. It includes search with citations and basic AI models. Paid plans are Pro at $17 per month and Max at $167 per month when billed annually, based on the pricing screenshot.
What are the limits of the Perplexity Free plan?
The Free plan has limited daily usage and basic AI models. Perplexity's help center lists 3 Pro Searches per day. Computer is not available on free accounts, and the screenshot does not list Deep Research or model selection for Free.
What is the difference between Perplexity Pro and Max?
Pro adds Deep Research, model selection, expanded Computer access and 4,000 bonus credits. Max adds maximum Computer usage, 10,000 monthly credits, 35,000 bonus credits, frontier models and priority access to new features, based on the screenshot.
How do Perplexity Computer credits work?
Computer runs on credits, and 100 credits equal $1. A quick fact uses about 15 to 70 credits. A multi-step research report uses about 350 to 950 credits. Perplexity says these are examples, not guarantees, and unused monthly credits do not roll over.
What is the Comet Assistant?
Perplexity's help center says the Comet Assistant has Search mode and Work mode. Search mode answers questions without using credits. Work mode runs Computer and uses credits. Perplexity advises checking which mode is selected before you send a prompt.











