Perplexity is an AI-powered search engine that answers questions with real-time web sources, citations, and follow-up conversations.

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🚀 Overview

Perplexity combines LLM reasoning with live web search for accurate, sourced answers. It solves hallucination-heavy chatbots and outdated knowledge by citing current sources. Built for researchers, students, professionals, and curious users wanting trustworthy info fast. Launched 2022; focuses on truth-seeking over generic chat.

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✨ Key Features

• Real-time web search + cited sources
• Follow-up questions in threaded convos
• Pro mode: GPT-4o, Claude 3.5, Sonar models, file uploads
• Collections, Spaces, image generation, API access

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🛠 Tech Stack

Proprietary LLMs (Sonar family) + web indexing; frontend React; API for integrations.

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👥 Who Is This For?

This project is useful for:

• Researchers needing sourced answers
• Students & writers verifying facts
• Professionals doing quick deep dives
• Users tired of Google + hallucinations

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📸 Screenshots / Demo

• Live demo: https://www.perplexity.ai
• Try: https://www.perplexity.ai/search

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🔥 Project Status

• 🟢 Actively building
  Last updated: 2026-01-31

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❓ FAQ

Is this project free?

Freemium — Free with limits; Pro $20/mo for unlimited + advanced models.

Is the source code available?

No — proprietary.

Can I contribute?

No open contributions; jobs open.

What's coming next?

More models, better multimodal, enterprise features.

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📬 Contact & Links

• Website: https://www.perplexity.ai
• API: https://docs.perplexity.ai
• X: https://x.com/perplexity_ai

Built with ❤️ and kept warm on WarmIndex.