Perplexity AI is a company focused on information discovery and sharing, offering two main products:

1. Conversational Search Engine: Essentially an "answer engine," it leverages natural language processing (NLP) to understand users' queries and provide concise, accurate answers backed by curated sources. Unlike traditional search engines that return lists of links, Perplexity summarizes the information and cites sources within the text. It also features:

  • Contextual awareness: Understands the conversation history and uses it to personalize results.

  • Follow-up questions: Allows users to ask follow-up questions in the same thread.

  • Multiple modes: Offers modes like "Copilot" for guided exploration, "Focus" for topic-specific searches, and "Writing" for generating text without web search.

  • Mobile apps: Available for iOS and Android for on-the-go searching.

2. Chatbot: Can engage in conversations and answer questions just like you're talking to a human.

Here are some key points about Perplexity AI:

  • Launched in 2022: A relatively new player in the search and AI space.

  • Technology: Powered by large language models, specifically OpenAI's GPT technology.

  • Mission: To make information discovery more efficient and user-friendly.

Overall, Perplexity AI aims to provide a more conversational and personalized search experience compared to traditional engines. If you're looking for an AI-powered assistant to help you navigate information and answer your questions, it's worth checking out.

Core Features

  1. AI-Driven Query Analysis: Perplexity utilizes NLP and machine learning to understand your questions and search intent, going beyond keyword matching for insightful responses.

  2. Conversational Search Experience: Interact with the engine like you're talking to a human, asking follow-up questions and refining your search within the same thread.

  3. Concise & Source-backed Answers: Get summarized information directly, with citations woven into the text for clarity and credibility.

  4. Multiple Search Modes: Choose from "Copilot" for guided exploration, "Focus" for in-depth research, and "Writing" for text generation without web search.

  5. Contextual Awareness: Perplexity remembers your conversation history, personalizing results based on your previous interactions and interests.

  6. Mobile Accessibility: Search and access information on the go with iOS and Android mobile apps.

  7. Large Language Model Powered: Leveraging OpenAI's GPT technology, Perplexity understands and generates human-like text for a natural interaction.

  8. Focus on Information Discovery: Aims to revolutionize how people find, access, and share information effectively and efficiently.

Use Cases

  1. Student researching a complex topic: Use "Focus" mode to delve deep into a specific subject, getting concise summaries and relevant sources presented clearly. Follow up with in-depth questions for even more details.

  2. Writer facing writer's block: Use "Writing" mode to generate creative text formats like poems, scripts, or email drafts, sparking inspiration and overcoming writing hurdles.

  3. Professional preparing for a presentation: Utilize "Copilot" mode to explore a broad topic, gathering key points and relevant articles to refine your presentation with insightful information.

  4. Casual learner curious about current events: Ask open-ended questions about ongoing news topics in natural language, receiving objective summaries and diverse perspectives for well-rounded understanding.

  5. Foreign language learner practicing comprehension: Engage in a "conversation" with Perplexity in your target language, asking questions and receiving responses to improve fluency and understanding.

  6. Traveler planning a trip: Explore various destinations using "Focus" mode, comparing options, getting local insights, and finding attractions based on individual needs and interests.

  7. User troubleshooting a tech issue: Describe the problem in plain language and receive step-by-step guidance or relevant articles suggesting solutions, saving time and frustration.

  8. Home cook experimenting with recipes: Search for ingredients or specific dietary restrictions, getting recipe suggestions and clear instructions in an easy-to-follow format.

  9. Creative brainstorming for project ideas: Utilize "Writing" mode to generate different creative angles and approaches, overcoming mental blocks and sparking innovation.

  10. Teacher preparing engaging lesson plans: Explore historical events, scientific concepts, or literary works using "Focus" mode, finding diverse viewpoints, multimedia resources, and activities to captivate students.

Pros & Cons


  • Easy to use: Intuitive interface, no technical knowledge needed.

  • Conversational: Ask follow-up questions, like a natural dialogue.

  • Source-backed answers: Credible information with cited sources.

  • Multiple modes: Focused research, writing assistance, guided exploration.

  • Contextual awareness: Personalized results based on past interactions.

  • Mobile accessible: Search and learn on the go with iOS/Android apps.

  • Large language model: Human-like text generation for natural interaction.

  • Information discovery focus: Makes finding and sharing knowledge simpler.

  • AI-powered analysis: Goes beyond keyword matching for deeper understanding.


  • New product: Less established than traditional search engines.

  • Limited customization: Interface and search modes cannot be personalized.

  • Potential bias: Relies on training data, which may contain biases.

  • Fact-checking required: User verification of information still vital.

  • Limited creative control: "Writing" mode offers suggestions, not full autonomy.

  • Privacy concerns: Data collection practices need transparency.

  • Cost for advanced features: Free version has limited functionalities.

  • Accuracy potential issues: Language models can still make factual errors.

  • Not a replacement for critical thinking: Information evaluation remains crucial.

  • Ethical considerations: Potential misuse of AI-generated text requires scrutiny.


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