Perplexity.ai

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Introduction

Perplexity.ai is an AI-powered answer engine that provides accurate, trusted, and real-time answers to any question.
It leverages AI models like OpenAI's GPT-4 and Anthropic's Claude 2 to deliver up-to-date information.
Perplexity offers a free version and a Pro version costing $20/month, which provides access to more powerful AI models and additional features.
The app is available on web, iOS, and Android platforms, and it syncs across devices.
Perplexity has faced criticism for allegedly scraping content from websites without permission and for sometimes providing inaccurate or misleading information.

Perplexity Copilot: Guided AI search for deeper exploration.
Voice or Text Input: Users can ask questions using voice or text for instant answers.
Thread Follow-Up: Allows users to keep the conversation going for a deeper understanding.
Trust Built In: Every answer includes cited sources.
Your Library: More than just search history, it’s an archive of your discoveries.
Community Learning: Users can learn new things from the community.

Free Version: Available for quick searches without the need to create an account.
Pro Version: Costs $20/month and allows access to more powerful AI models and hundreds of Pro Searches per day.
Subscription Management: Subscriptions automatically renew unless canceled within 24 hours before the end of the current period.
In-App Purchases: Available on both iOS and Android platforms.

High Ratings: The app has a rating of 4.9 out of 5 based on 42.4K ratings.
Positive Feedback: Users appreciate the app for its quick and accurate answers, especially for intricate questions.
Time-Saving: Many users have noted that the app saves them time, particularly when shopping online.
Better than Google: Some users find it more useful than traditional search engines like Google and Wikipedia.

Content Scraping: Perplexity has been accused of scraping content from websites without permission.
Inaccurate Information: The app has been criticized for providing inaccurate or misleading information.
Legal Issues: Forbes has threatened legal action against Perplexity AI over copyright infringement.
Response to Criticism: The company has acknowledged some issues and is working on improving accuracy and user experience.

Founded in 2022: By Aravind Srinivas, Denis Yarats, Johnny Ho, and Andy Konwinski.
CEO: Aravind Srinivas, who previously worked at OpenAI.
CTO: Denis Yarats, an AI research scientist formerly at Meta.
Investors: Includes Jeff Bezos’ family fund, Nvidia, and Balaji Srinivasan.