Perplexity AI vs Grok AI vs OpenAI ChatGPT: Which Research Assistant tool is Best in 2025?

All these tools Perplexity AI , Grok AI , OpenAI ChatGPT offer flexible pricing models suitable for academic researchers, students seeking AI-powered solutions to enhance their Research Assistant efforts.

Perplexity AI

Starting from
$20/month

Grok AI

Starting from
$0

OpenAI ChatGPT

Starting from
$0

These AI tools are among the best Research Assistant tools available in 2025. For academic researchers, students, tools like Perplexity AI , Grok AI , OpenAI ChatGPT help streamline the Research Assistant process by offering AI-powered features.

What is Perplexity AI?

Perple­xity AI is an incredible resource­ that you can chat with and use to explore the­ internet. It's more than just a tool - it's like­ having a knowledgeable companion who can he­lp you solve problems, spark new ide­as, and venture into the de­pths of information that were previously une­xplored. Moreover, it ke­eps you updated with the fre­shest info from platforms like YouTube and various database­s across the web. What's awesome­ is that it even tells you whe­re it sourced its information so you're assure­d of its credibility and can revisit any source if you wish. With Pe­rplexity AI, users can discover a whole­ new approach to learning, creating and conne­cting with the world.

What is Grok AI?

Grok 3 is an advanced AI chatbot developed by Elon Musk's xAI, designed to surpass other AI chatbots like OpenAI’s ChatGPT. This next-generation model is built with cutting-edge features aimed at providing enhanced user experiences.

What is OpenAI ChatGPT?

GPT-4o, developed by OpenAI, represents a groundbreaking advancement in artificial intelligence, enabling users to engage through text, voice, and visual inputs for a more human-like interaction. This model transcends traditional AI by understanding context, tone, and imagery, offering a seamless, intuitive experience that redefines our expectations from technology.

Perplexity AI
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Grok AI
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OpenAI ChatGPT
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OpenAI ChatGPT
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Perplexity AI

Pros

Conversational Search.

Comprehensive Answers.

Source Transparency.

Improving its responses and understanding of natural language over time.

User-Friendly Interface.

Cons

Perplexity AI is still under development.

It can encounter occasional bugs or glitches.

Accuracy Concerns.

Not Enough Data!
Not Enough Data!

If you're looking for other Research Assistant tools for academic researchers, students, you can also explore Elicit, Sharly AI, Textero.AI, Jenni AI, AnswerThis, Kognitium, Logically.app, Jotbot AI, Humata AI, Scite AI, NotebookLM, SciSpace AI, which are highly rated in 2025.

Perplexity AI
  • Perplexity
  • San Francisco, California, USA
Grok AI
  • X
  • Bastrop, Texas
OpenAI ChatGPT
  • OpenAI
  • San Francisco, California