March 29, 2025|6 min reading
Perplexity AI: The Smart Search Engine Alternative to ChatGPT

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Perplexity AI has emerged as a compelling alternative to ChatGPT, offering users a unique blend of search engine capabilities and intelligent AI assistance, similar to Microsoft Copilot. Merlio explores how this innovative tool leverages advanced models like OpenAI’s GPT-4o and Claude 3.5 Sonnet to provide real-time information and insightful answers, all while keeping you informed with clear source citations.
Key Features of Perplexity AI: A Merlio Overview
Perplexity AI boasts a range of features designed to enhance your information gathering and decision-making processes:
- Access to Leading AI Models: Experience the power of limited free access to cutting-edge models like GPT-4o and Claude 3.5 Sonnet.
- Enhanced Product Recommendations: Discover the best products with Perplexity AI's intelligent recommendation system.
- Shop with Confidence: Utilize the integrated "Shop with Perplexity" feature to streamline your online shopping experience.
- Transparent Source Citation: Every answer comes with clearly cited sources, allowing you to verify information and delve deeper.
- Real-Time Information Retrieval: Stay up-to-date with the latest information on any topic.
- Versatile Content Analysis: Upload and analyze information from PDFs, images, and text files.
- Choose Your Search Focus: Tailor your search by selecting specific sources like the general web, Reddit, academic databases, YouTube, and more.
Merlio Explores the Benefits of Perplexity AI
What sets Perplexity AI apart? Merlio highlights some key advantages:
Real-Time Information at Your Fingertips
Unlike traditional AI chatbots with knowledge cutoffs, Perplexity AI excels at finding and delivering the most current information available on the web. This makes it an invaluable tool for staying informed in a rapidly evolving world.
Intelligent Product Discovery
Merlio recognizes the effectiveness of Perplexity AI's product recommendation capabilities. The recently introduced Shopping Assistant feature is designed to guide you towards the best products based on your needs and preferences.
Deep Dive with Co-Pilot Mode
For more complex inquiries, Perplexity AI offers a "co-pilot mode" powered by GPT-4o. This feature allows for more in-depth exploration of your questions, providing comprehensive and well-reasoned answers. Free users receive five co-pilot queries every four hours.
Transparency Through Citations
A significant advantage of Perplexity AI, as noted by Merlio, is its commitment to transparency. By citing the sources for its answers, Perplexity AI empowers users to evaluate the credibility of the information provided and explore the original content.
Considerations When Using Perplexity AI
While Perplexity AI offers numerous benefits, Merlio acknowledges a few points to keep in mind:
- Limited Free GPT-4o Queries: The free tier offers limited access to the powerful GPT-4o model.
- Reasoning Limitations in Free Version: As observed in tests, complex reasoning may not be a strong suit of the free version.
- Potential for Source Replication: While it cites sources, there's a possibility of the AI inadvertently copying content directly from those sources.
Merlio's Verdict on Perplexity AI
For users seeking a powerful search engine experience combined with intelligent AI assistance, Merlio recommends exploring Perplexity AI. Its ability to provide real-time information, cite sources, and offer valuable product recommendations makes it a strong contender in the AI landscape. While the free version has some limitations, it still offers significant value for web searches and product queries.
SEO-Optimized FAQ by Merlio
Q: What is Perplexity AI? A: Perplexity AI, as explored by Merlio, is an AI-powered search engine and chatbot that combines the functionality of a traditional search engine with the conversational abilities of an AI like ChatGPT or Copilot. It provides real-time information and cites its sources.
Q: How is Perplexity AI different from ChatGPT? A: Merlio highlights that unlike ChatGPT, Perplexity AI is designed with a strong emphasis on search. It can access and process real-time information from the internet and provides citations for its answers, offering greater transparency.
Q: Does Perplexity AI use GPT-4o? A: Yes, Perplexity AI offers limited free access to OpenAI's GPT-4o model through its "co-pilot mode." Merlio notes that free users get five such queries every four hours.
Q: Can Perplexity AI help with shopping? A: Absolutely! Merlio points out the "Shop with Perplexity" feature and the Shopping Assistant, which are designed to help users find the best products online.
Q: Is Perplexity AI free to use? A: Yes, Perplexity AI offers a free tier with access to many of its core features, including limited access to advanced AI models. They also offer a paid subscription, Perplexity Pro, for $20 per month, providing additional benefits.
Q: Can I upload documents to Perplexity AI? A: Yes, as Merlio has detailed, Perplexity AI allows users to upload PDFs, images, and text files for analysis and to inform its responses.
Q: Where does Perplexity AI get its information? A: Perplexity AI, as Merlio explains, can search a variety of sources, including the general web, Reddit, academic sources, and YouTube, and it always cites the sources it uses to generate its answers.
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