AI Research Tools: ChatGPT, Perplexity & Merlin AI Guide

Discover how ChatGPT, Perplexity, and Merlin AI accelerate research with intelligent search, reliable citations, and one-click summaries.

Why Research Feels Harder Than Ever

I still remember the first serious paper I wrote in university.I opened Google, typed my topic, and stared at a wall of blue links—millions of them.Fifty tabs later I was knee-deep in articles that contradicted one another.Finding reliable information felt like digging for treasure with bare hands.

Fast-forward a few years. The web is louder than ever and my workload as an entrepreneur keeps growing.I can't burn an evening playing librarian just to answer one question.That frustration pushed me to embrace AI-powered research tools.

They don't replace judgment, but they do handle the grunt work—skimming, summarising, organising—so I can focus on insight.

Below are the three tools that, in my day-to-day work, make research not only faster but honestly enjoyable: ChatGPT, Perplexity AI, and Merlin AI. Each shines in a different scenario, and—spoiler alert—one of them bundles the power of all the big language models under one roof.

What Is Intelligent Search and Why It Matters

Traditional search engines still expect you to click, read, and stitch together your own answer. That workflow made sense in 2005, but today every query spawns a tidal wave of "relevant" pages—some helpful, many not.

Intelligent search flips the script. Powered by large language models (LLMs), it:

  • Understands intent – It reads the meaning behind your question, not just the keywords.
  • Scouts sources – It hunts across articles, journals, and real-time web data for the best material.
  • Synthesises an answer – It replies in plain English, often with links or citations.
  • Stays in dialogue – Follow-up questions keep the context; no need to restate everything. Why Research Feels Harder Than Ever - visual selection.png Ask "Compare CRISPR and prime editing in simple terms," and you'll get a four-paragraph explainer plus primary references—no tab juggling required. The result is not just speed; it's clarity.

ChatGPT: Your Brainstorming and Learning Partner

Screenshot 2025-06-23 at 1.40.06 AM.png ChatGPT feels like talking to a well-read friend who never tires or judges. Whenever I'm exploring a new subject, I simply open a chat and ask.

  • Lay explanations – Quantum entanglement with marbles and rubber bands? Done.
  • Instant outlines – Grant proposal structure in seconds.
  • Code help – Debug a flaky Python loop at 2 a.m.? Absolutely.

Where ChatGPT Shines

  • Idea generation – Brainstorms, titles, counter-arguments.
  • Explain-like-I'm-five – Turns jargon into digestible English.
  • Iterative dialogue – Keeps track of long back-and-forth conversations.
  • Multimodal smarts – Discusses pasted text, charts, or images (plus tier).

Trade-offs to Watch

Its default knowledge stops at the last training cut-off. Live web search exists, yet citations appear only when browsing is on. For anything mission-critical, I double-check with a source-first tool. I treat ChatGPT as my thinking partner, not my final source of record.

Perplexity AI: Your Citation-Rich Answer Engine

Screenshot 2025-06-23 at 1.19.20 AM.png If ChatGPT is conversation over coffee, Perplexity AI is a meticulous research librarian. Ask a question and it fires back a crisp answer with inline footnotes—every claim traceable.

Real-World Example

For a climate-tech workshop I asked, "What are the main criticisms of direct air capture?"

Seconds later I had a balanced list—energy intensity, cost, lifecycle emissions—plus links to peer-reviewed papers and think-tank reports. Instant credibility.

Why I Reach for Perplexity

  • Source transparency – Perfect for essays, journalism, anything graded on citations.
  • Deep Research mode – Launch a complex query and receive a mini-report assembled from dozens of sub-searches.
  • Balanced viewpoints – Often surfaces opposing perspectives in one sweep.
  • Blazing speed – Even niche topics resolve almost instantly.

Where It's Less Flexible

Perplexity is truth-first, style-second. Need a Seussian poem or quirky analogy? ChatGPT usually wins. Need bullet-proof facts? Perplexity is the ace.

Merlin AI: The All-in-One Companion in Your Browser

Screenshot 2025-06-23 at 1.06.08 AM.png

ChatGPT and Perplexity are destinations—you open new tabs, ask, read, repeat.

Merlin AI follows you around the web. It's a Chrome/Edge extension that pops up anywhere with a quick shortcut.

How It Fits Into My Day

  • 40-page PDF? Click Summarise → get key findings and action items.
  • Two-hour YouTube lecture? Merlin produces chapter notes with timestamps.
  • Googling obscure stats? Merlin injects an AI answer beside regular search links.
  • Long email thread? Highlight text → Ask Merlin → instant summary and suggested replies.

Under the Hood

One subscription unlocks GPT-4o, Claude 3, Gemini Pro, Mistral, and more—pick the model on the fly.

It also lets you create Projects: drop in papers, notes, slides, and then chat with your own corpus.

For thesis writing, that feels like having a private research analyst in your browser.

Why Merlin Stands Out

  • Contextual convenience – Zero tab-switching; AI appears where the info lives.
  • Model buffet – One plan, many brains; no subscription sprawl.
  • Workflow glue – Summaries, citations, rewrites, code, images—all covered.
  • Value – I cancelled two separate AI plans after moving to Merlin Pro. One bill, broader coverage.

Because Merlin sits beside my existing tools, I use AI more often: tiny bursts instead of marathon chats. That low-friction help keeps me in flow—priceless under deadline pressure.

Choosing the Right Tool: When to Use What

ScenarioBest PickWhy
Brainstorm ideas, explain tricky concepts, draft creative textChatGPTConversational and imaginative
Verify stats, gather references, compare scholarly viewpointsPerplexity AICitation-first and up-to-date
Summarise PDFs, inject AI into search/email/YouTube, switch models on demandMerlin AIWorks in context and bundles multiple LLMs

That said, the tools also stack nicely:

  1. Perplexity → grab key studies with citations.
  2. ChatGPT → turn those facts into a structured outline.
  3. Merlin → summarise new sources and polish the draft inside Google Docs.

If you're tired of juggling logins, Merlin offers a gentle shortcut: one plan, all major models, and context-aware help everywhere you browse.

Final Thoughts: Make Research Fast, Reliable, and Painless

Research will always demand scepticism and critical thinking—AI can't do that part for you.

What it does change is how much time you lose on mechanical chores: skimming PDFs, copying quotes, formatting references.

Since adopting these tools I spend more hours interpreting results and fewer hours hunting them down. Students I mentor say the same. A PhD candidate now uses Merlin to turn dense readings into flashcards; a high-school debater drafts speeches with ChatGPT and then fact-checks with Perplexity. The gains are real.

Parting tips from my desk:

  • Start messy, then refine – Toss broad questions at ChatGPT or Merlin, tighten with Perplexity citations.
  • Check the date stamp – Even AI surfaces stale sources; confirm fresh data for time-sensitive topics.
  • Use follow-ups – "Explain in 3 bullets," "Show counter-arguments," "List study limitations."
  • Maintain a research diary – Copy key AI outputs into a doc so your reasoning trail stays visible. Why Research Feels Harder Than Ever - visual selection (1).png Finally, if you want to sample intelligent search without adding more logins, give Merlin AI a spin. It folds GPT-4o, Claude 3, Gemini, and Mistral into one dashboard that lives everywhere you browse. Whether you stick with Merlin alone or pair it with ChatGPT and Perplexity, I'm betting you'll reclaim hours each week—hours better spent analysing, writing, or maybe (just maybe) enjoying a bit more sleep.

Happy researching, and may your next information dive feel more like a guided tour than a treasure hunt with no map.

Experience the full potential of ChatGPT with Merlin

Author
Hanika Saluja

Hanika Saluja

Hey Reader, Have you met Hanika? 😎 She's the new cool kid on the block, making AI fun and easy to understand. Starting with catchy posts on social media, Hanika now also explores deep topics about tech and AI. When she's not busy writing, you can find her enjoying coffee ☕ in cozy cafes or hanging out with playful cats 🐱 in green parks. Want to see her fun take on tech? Follow her on LinkedIn!

Published on : 20th June 2025, Friday

Last Updated : 10th July 2025, Thursday

Read more blogs

Cover Image for AI in HR: Hiring and Talent Development in the AI Era
AI in HR: Hiring and Talent Development in the AI Era
2025-07-02 |6 min. read
Learn how AI streamlines hiring and upskills staff. Real tools, case studies, and a 30-day action plan for HR pros and business leaders.
Cover Image for  7 AI Productivity Hacks Anyone Can Use | Try Merlin AI
7 AI Productivity Hacks Anyone Can Use | Try Merlin AI
2025-06-20 |7 min. read
Save hours daily with 7 simple AI hacks – summaries, auto emails, smart scheduling. See how Merlin AI unites GPT-4, Claude and more in one browser shortcut.
Cover Image for  Best AI Chrome Extensions 2025 – Boost Browsing with Merlin
Best AI Chrome Extensions 2025 – Boost Browsing with Merlin
2025-06-20 |6 min. read
Explore 10 top AI Chrome extensions for smarter writing, research and automation. Try Merlin AI first and turn hours of busywork into minutes.
Cover Image for  AI on a Budget: Best Tools for Startups
AI on a Budget: Best Tools for Startups
2025-06-20 |6 min. read
Learn to automate, analyze and scale on a shoestring. Free tools, low-cost APIs, ROI tips + one subscription for GPT-4.1, Gemini, Claude & more.
Cover Image for ChatGPT vs Claude vs Gemini: Which AI Should You Use?
ChatGPT vs Claude vs Gemini: Which AI Should You Use?
2025-06-19 |8 min. read
See real-world tests of ChatGPT, Claude, and Gemini on writing, reasoning, coding, pricing, and speed—plus an easy way to use all three under one plan.
Cover Image for 10 ChatGPT Prompts Every Marketer Should Try
10 ChatGPT Prompts Every Marketer Should Try
2025-06-19 |7 min. read
Unlock faster copy, better ads, and higher conversions with 10 proven AI prompts. Save time, beat deadlines, boost results.
Cover Image for  AI Marketing 2025: How AI Is Reshaping the Future of Marketing Campaigns
AI Marketing 2025: How AI Is Reshaping the Future of Marketing Campaigns
2025-06-16 |8 min. read
Explore how AI tools like Firefly, Veo3 & Einstein drive hyper-personalization, faster creative and 20-30% higher ROI for modern marketing campaigns.