Perplexity AI Review: A Comprehensive Look at its Strengths and Limitations
Perplexity AI is a cutting-edge generative AI tool that combines the functionality of a search engine with the capabilities of a conversational chatbot.
It offers a unique approach to information retrieval by providing concise, sourced answers to user queries, making it stand out from traditional search engines like Google.
This review will dive deep into the features, strengths, and limitations of Perplexity AI to help you understand whether it’s the right tool for your needs.
Key Takeaways

- Perplexity AI excels in research by pulling information from credible sources and linking them for easy verification.
- It is fast and efficient, making it ideal for users who need quick, concise answers without sifting through multiple websites.
- The tool struggles with complex problem-solving, especially in areas outside of math and coding.
- Perplexity’s responses are often short, which can limit its usefulness for more in-depth queries.
- It integrates with WolframAlpha for math-related queries, enhancing its problem-solving capabilities in this domain.
- Users can switch between different LLM models, such as GPT-4 or Claude, to tailor the AI’s performance to their specific needs.
- The interface is user-friendly, making it accessible to both beginners and power users alike.
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What is Perplexity AI?
Perplexity AI is a research-focused AI assistant that aims to provide accurate, sourced answers to user queries. Unlike traditional chatbots like ChatGPT, which generate responses based on pre-trained data,
Perplexity pulls real-time information from the web. This makes it particularly useful for tasks like research, fact-checking, and content generation where accuracy is paramount.
How Does Perplexity Work?
Perplexity AI uses a combination of large language models (LLMs) and real-time web searches to generate answers.
When you ask a question, it searches the web for relevant information and presents it in a concise format, often citing its sources.
This feature makes it ideal for users who want to verify the accuracy of the information they receive.
Strengths of Perplexity AI
1. Accurate Research Tool
One of Perplexity’s biggest strengths is its ability to provide accurate, sourced answers. Unlike other AI tools that may generate responses based on outdated or incomplete data, Perplexity pulls real-time information from credible sources like Reddit, Wikipedia, and news outlets. This makes it an excellent tool for research purposes.
- Citations for transparency: Every answer comes with links to the sources used, allowing users to verify the information themselves.
- Wide range of topics: From coding problems to travel recommendations, Perplexity covers a broad spectrum of subjects.
2. Fast Response Time
Perplexity is known for its speed. Users report that it delivers answers faster than many other AI tools like ChatGPT or BingAI. This makes it ideal for users who need quick answers without waiting for long processing times.
- Efficient search engine integration: By combining AI with search engine capabilities, Perplexity can deliver results almost instantly.
3. Concise Answers
Another key feature of Perplexity is its ability to provide concise answers without overwhelming the user with too much information. This makes it particularly useful for users who want quick summaries rather than lengthy explanations.
- Focused responses: Unlike Google’s “People Also Ask” feature, which often presents broad questions, Perplexity provides highly relevant follow-up questions that help users dig deeper into their topic.
4. Multiple LLM Models
Perplexity allows users to choose between different LLMs (Large Language Models) such as GPT-4 or Claude 3. This flexibility lets users pick the model that best suits their needs, whether they require more creative responses or highly factual ones.
- Customization options: Users can switch between models depending on the task at hand—whether it’s content generation or fact-checking.
5. WolframAlpha Integration
For math-related queries, Perplexity integrates with WolframAlpha to provide accurate solutions. This makes it an excellent tool for solving complex mathematical problems that require precise calculations.
Limitations of Perplexity AI
1. Limited Problem-Solving Capabilities
While Perplexity excels at providing concise answers and sourcing information from the web, it falls short in terms of complex problem-solving—particularly in areas outside of math and coding.
- Struggles with complicated science: Users have noted that Perplexity has difficulty synthesizing complex scientific concepts that aren’t explicitly stated in search results.
2. Short Responses
One common criticism of Perplexity is that its responses are often too short to be useful for more in-depth research or problem-solving tasks.
- Lack of depth: While concise answers are great for quick queries, they can be limiting when users need more detailed explanations or comprehensive insights.
3. Inconsistency in Results
Some users have reported inconsistencies in the quality of Perplexity’s responses. For example, while it excels at finding local companies or summarizing simple topics, it can sometimes provide outdated or incorrect information when dealing with more obscure subjects.
- Mixing up sources: In some cases, Perplexity has been known to mix up information from different sources, leading to confusion.
4. No Image Generation (Free Version)
While the paid version of Perplexity offers image generation capabilities, this feature is not available in the free version. For users who need visual content alongside text-based answers, this could be a limitation.
Use Cases: When Should You Use Perplexity?
1. Research and Fact Checking
Perplexity shines as a research tool thanks to its ability to pull real-time data from credible sources. Whether you’re writing an academic paper or simply looking up facts online, its citation feature ensures you can trust the information you’re receiving.
2. Quick Summaries
If you’re looking for quick summaries on popular topics without wading through pages of search results, Perplexity is an excellent choice. Its concise format makes it easy to get the gist of a topic without spending too much time reading.
3. Coding Assistance
While not as powerful as specialized coding tools like GitHub Copilot or ChatGPT’s coding mode, Perplexity can still help with basic coding tasks by pulling relevant code snippets from online sources.
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User Experience: What People Are Saying About Perplexity
Users generally have positive things to say about their experience with Perplexity:
- Ease of use: The interface is intuitive and user-friendly, making it accessible even for beginners.
- Speed: Many users appreciate how quickly they can get answers compared to other tools like Google or ChatGPT.
- Transparency: The ability to see exactly where the information comes from adds a layer of trustworthiness that many other AI tools lack.
However, some users have pointed out areas where improvement is needed:
- Inconsistent results: While great for popular topics, some users have found that Perplexity struggles with niche subjects.
- Short responses: For more complex queries requiring detailed explanations, users may find themselves needing additional resources beyond what Perplexity provides.
FAQs
How does Perplexity compare to ChatGPT?
Perplexity differs from ChatGPT by offering real-time web searches and citing sources directly in its responses. While ChatGPT generates content based on pre-trained data up until September 2021 (for GPT-3), Perplexity pulls current information from online sources like Reddit and Wikipedia.
Can I use Perplexity for content creation?
While you can use Perplexity for content creation by switching between different LLM models (like GPT-4), it’s not specifically designed for generating long-form content like blog posts or essays.
Is there a mobile version of Perplexity?
Yes! There’s both a web-based version and a mobile app available for iOS and Android devices.
Conclusion
Perplexity AI stands out as an exceptional tool for those who prioritize accuracy and speed in their research tasks. Its ability to pull real-time data from credible sources sets it apart from other generative AIs like ChatGPT or Google Gemini. However, its limitations—such as short responses and inconsistent problem-solving abilities—mean it’s not always the best choice for every task.
If you’re looking for an efficient way to conduct research or fact-check information quickly while ensuring transparency through citations, then Perplexity AI is definitely worth trying out!

Leo Donovan is a passionate tech enthusiast and writer with a knack for making complex concepts accessible to all. With years of experience exploring the ever-evolving world of technology, Leo specializes in delivering practical advice, insightful AI tool reviews, and hands-on guides. When not diving into the latest gadgets or coding experiments, Leo enjoys sharing knowledge to empower others on their tech journey through How to Tech Info.