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Perplexity

Perplexity Cheat Sheet - 快速参考指南,收录常用语法、命令与实践。

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Overview

What is Perplexity
  • AI-powered search engine with citations
  • Combines web search with AI synthesis
  • Provides sourced answers in real-time
  • Available on web, iOS, Android, and browser extension
Key Features
FeatureDescription
Cited AnswersEvery answer includes source links
Follow-up QuestionsAsk clarifying questions naturally
Focus ModesTarget specific content types
CollectionsOrganize research topics
Pro SearchDeep research with multiple sources
Models Available
ModelFeatures
DefaultFast, general queries
Pro SearchThorough, multi-step research
GPT-4oOpenAI's latest model
ClaudeAnthropic's Claude models
SonarPerplexity's own models

Search Techniques

Basic Search

Simple question format

CODE
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What is machine learning?

Specific query

CODE
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Best practices for React performance
optimization in 2024
Comparison Queries
CODE
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Compare React vs Vue vs Angular for
enterprise applications
CODE
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What are the differences between
PostgreSQL and MySQL for large datasets?
Research Queries
CODE
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Latest research on renewable energy
storage solutions published in 2024
CODE
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Academic papers on transformer
architecture improvements
How-To Questions
CODE
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How to set up a Kubernetes cluster
on AWS step by step
CODE
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How to implement OAuth 2.0
authentication in Node.js

Focus Modes

All (Default)

Searches entire web

CODE
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[Focus: All]
Latest developments in AI regulation
Academic

Searches scholarly sources

CODE
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[Focus: Academic]
Research papers on CRISPR gene editing
safety concerns
Writing

Helps with writing tasks

CODE
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[Focus: Writing]
Help me write an introduction for
a blog post about sustainable fashion
Wolfram Alpha

Mathematical and computational queries

CODE
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[Focus: Wolfram]
Solve the integral of x^2 * e^x
YouTube

Searches video content

CODE
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[Focus: YouTube]
Best tutorials for learning Docker
for beginners
Reddit

Searches Reddit discussions

CODE
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[Focus: Reddit]
User experiences with the new
MacBook Pro M3

Pro Search Features

Deep Research

Enable comprehensive multi-step research

CODE
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[Pro Search]
Comprehensive analysis of the electric
vehicle market in Australia:
- Market size and growth
- Key players
- Consumer trends
- Government policies
- Future projections
Follow-up Questions

Pro Search suggests relevant follow-ups

CODE
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Initial: What is quantum computing?

Follow-up suggestions:
- What are current quantum computers capable of?
- Which companies are leading in quantum computing?
- What problems can quantum computers solve?
Source Selection

Pro analyzes multiple sources

CODE
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Research the impact of AI on healthcare:
- Include peer-reviewed sources
- Recent news articles
- Industry reports
- Expert opinions

Query Optimization

Be Specific

Less effective

CODE
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Tell me about Python

More effective

CODE
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What are the new features in Python 3.12
and how do they improve performance?
Add Context
CODE
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I'm a beginner web developer.
Explain REST API design best practices
in simple terms with examples.
Specify Format
CODE
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List the top 10 JavaScript frameworks
for 2024 with a brief description
of each and their best use cases.
Time Constraints
CODE
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What are the latest AI developments
from the past month?
CODE
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Research published after January 2024
on climate change mitigation

Collections

Creating Collections

Organize research by topic

CODE
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Collection: "Machine Learning Project"
- Saved searches on ML algorithms
- Research papers on neural networks
- Implementation tutorials
- Best practices articles
Using Collections
CODE
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1. Click "Collections" in sidebar
2. Create new collection
3. Add relevant searches
4. Share with team (Pro feature)
Collection Ideas
CollectionUse Case
Job SearchCompany research, interview prep
Project ResearchTechnical documentation
Learning PathCourse materials, tutorials
Market AnalysisIndustry trends, competitors

Advanced Techniques

Multi-Part Questions
CODE
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Analyze the following:
1. Current state of remote work in tech
2. Tools companies are using
3. Productivity impact statistics
4. Future predictions

Provide sources for each section.
Comparative Analysis
CODE
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Compare these three approaches to
state management in React:
- Redux Toolkit
- Zustand
- Jotai

Include: learning curve, performance,
bundle size, and community support.
Fact-Checking
CODE
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Verify this claim with sources:
"AI will replace 40% of jobs by 2030"

Provide supporting and contradicting
evidence from reliable sources.
Academic Research
CODE
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[Focus: Academic]
Find peer-reviewed research on the
effectiveness of spaced repetition
in language learning.

Filter for studies published after 2020.

Use Cases

Research & Learning
CODE
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I'm learning about blockchain technology.
Explain:
- How it works (simple terms)
- Real-world applications beyond crypto
- Current limitations
- Future potential

Include beginner-friendly resources.
Market Research
CODE
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Research the Australian fintech market:
- Market size and growth rate
- Major players and their offerings
- Recent funding rounds
- Regulatory landscape
- Opportunities for new entrants
Technical Documentation
CODE
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How to implement JWT authentication
in a Python FastAPI application:
- Step-by-step guide
- Code examples
- Security best practices
- Common pitfalls to avoid
Content Creation
CODE
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Research trending topics in [industry]
for content creation:
- What questions are people asking?
- What are competitors covering?
- Content gaps to fill
- Keyword opportunities
Competitor Analysis
CODE
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Analyze [competitor company]:
- Products and services
- Pricing strategy
- Market positioning
- Recent news and developments
- Customer reviews and feedback
Decision Making
CODE
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I'm deciding between AWS, GCP, and Azure
for a startup. Compare:
- Pricing for small scale
- Ease of use
- Available services
- Learning resources
- Startup programs/credits

API Usage

Basic Request
PYTHON
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import requests

url = "https://api.perplexity.ai/chat/completions"
headers = {
    "Authorization": "Bearer YOUR_API_KEY",
    "Content-Type": "application/json"
}

data = {
    "model": "sonar-pro",
    "messages": [
        {"role": "user", "content": "What is quantum computing?"}
    ]
}

response = requests.post(url, json=data, headers=headers)
print(response.json())
With System Prompt
PYTHON
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data = {
    "model": "sonar-pro",
    "messages": [
        {
            "role": "system",
            "content": "You are a technical research assistant."
        },
        {
            "role": "user",
            "content": "Explain microservices architecture"
        }
    ]
}
Streaming Response
PYTHON
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data = {
    "model": "sonar-pro",
    "messages": [...],
    "stream": True
}

response = requests.post(url, json=data, headers=headers, stream=True)
for line in response.iter_lines():
    if line:
        print(line.decode())

Browser Extension

Quick Search
  • Highlight text on any webpage
  • Right-click and select "Ask Perplexity"
  • Get instant AI-powered answers
Page Summary
  • Click extension on any page
  • Select "Summarize this page"
  • Get key points with sources
Quick Commands
CommandAction
Highlight + ClickSearch selected text
Alt + POpen Perplexity
Cmd/Ctrl + Shift + PQuick search

Keyboard Shortcuts

Web Interface
ShortcutAction
/Focus search box
EnterSend query
Shift + EnterNew line
Cmd/Ctrl + KNew search
Cmd/Ctrl + /Show shortcuts

Best Practices

For Better Results
  1. Be specific - Include relevant details
  2. Add context - Explain your background/needs
  3. Use Focus modes - Match mode to query type
  4. Follow up - Ask clarifying questions
  5. Verify sources - Check the cited links
For Research
CODE
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1. Start with broad query
2. Use Pro Search for depth
3. Save to Collections
4. Follow up on interesting points
5. Cross-reference sources
6. Export findings
Citation Tips
  • Always check source reliability
  • Look for primary sources
  • Note publication dates
  • Consider source bias
  • Use academic focus for scholarly needs

Pro vs Free

Free Tier
  • Basic searches
  • Limited Pro searches per day
  • Standard models
  • Basic collections
Pro Features
  • Unlimited Pro searches
  • Access to GPT-4, Claude
  • Advanced file uploads
  • Team collaboration
  • API access
  • Priority support

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