Perplexity
By Perplexity · Research
Perplexity is an AI search engine that answers questions from real-time web results with numbered citations; a beginner might try it to look up a topic and then open the cited sources.
Good things to try with Perplexity
Editor's suggestion
Try summarising a document you are allowed to share, then check the summary against the original.
Based on: File upload (see the facts below for sources). Reviewed 10 Oct 2026.
Editor's suggestion
Use it to find sources on a specific question, then open each citation to confirm it says what the answer claims.
Based on: Traceable citations (see the facts below for sources). Reviewed 10 Oct 2026.
Features and conditions
Facts from official sources. Features can depend on the plan; conditions are listed under each value.
Input and output
- Chinese inputThe official source says Chinese is supported as an input language. This is not a quality rating.
- Not yet confirmed
- File uploadYou can give it files such as PDFs or documents.
- Supported
Plan not specified
Checking facts
- Traceable citationsAnswers link to the specific sources they rely on.
- Supported
Plan not specified
- Search scopeWhat it searches: the open web, academic papers, or both.
- Real-time web search; Pro Search can be narrowed to Academic, Finance or your own files
Workflow
- Export formatsFile formats you can download results in.
- PDF, Markdown, DOCX
- PlatformsWhere the product is offered: web, desktop app, mobile app, or editor extension.
- Web, Mobile app, Desktop app
Cost
- Free planA free plan that is not time-limited. Trials are listed separately.
- Supported
Free (Standard) plan
Plans
Free (Standard)
Free plan
- Currently offered
- Offered
- Price
- Amount not confirmed. See official pricing
Pro
Paid, individual
- Currently offered
- Offered
- Price
- $17.00 / month, billed annuallyAs shown on the official pricing page; may differ by region.
Max
Paid, individual
- Currently offered
- Offered
- Price
- $167.00 / month, billed annuallyAs shown on the official pricing page; may differ by region.
Requirements
- AccountWhether you need to sign up before using it.
- Basic use without signing in; threads created while signed out are not saved long-term (visible 14 days); sign in to keep them in History
- Where it is availableCountries or regions where the provider says it can be used.
- Not yet confirmed
Check before choosing
- Not yet confirmed: Chinese input, Where it is available.
- Features and prices can differ by plan, country and time. Check the official site for your situation.
First time using it
- Open the official site and check which plan you are on.
- Ask a specific question you already know a little about.
- Open at least two of the cited sources and check they say what the answer claims.
What does the evidence say about [question]?
Give a short answer with a citation for each claim, and say where the evidence is weak or mixed.Related lessons
Technical information
No sourced technical details (models, API) recorded yet. A product's app and its developer API are usually separate offerings with separate pricing.