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ChatGPT vs Perplexity Comet

ChatGPT: OpenAI's all-round assistant for writing, analysis, images and voice. Perplexity Comet: A web browser with an AI assistant that can browse and act for you. Here is how they compare on features, pricing, platforms, pros and cons.

Quick verdict

ChatGPT

Best for: Anyone who wants one assistant for everyday writing, research and brainstorming.

Stands out for: Handles a very wide range of tasks; Apps on most devices.

Perplexity Comet

Best for: Heavy web users who want research and errands done inside the browser.

Stands out for: Assistant built into the browser; Based on Chromium, so extensions work.

Side-by-side comparison

Comparison of ChatGPT, Perplexity Comet
ChatGPT
Visit chatgpt.com (opens in a new tab)
Perplexity Comet
Visit perplexity.ai (opens in a new tab)
What it isOpenAI's all-round assistant for writing, analysis, images and voice.A web browser with an AI assistant that can browse and act for you.
Pricing
Free + Paid
Free + Paid
Free to useYesYes
CategoryAI Chatbots & AssistantsAI Chatbots & Assistants
Editor rank#1 in category#9 in category
Made byOpenAIPerplexity
Best forAnyone who wants one assistant for everyday writing, research and brainstorming.Heavy web users who want research and errands done inside the browser.
Key features
  • Chat, voice and image generation in one app
  • Reads uploaded files, PDFs and spreadsheets
  • Custom GPTs and project folders for repeat work
  • Assistant in every tab
  • Summarises and compares pages
  • Can carry out browsing tasks
Pros
  • Handles a very wide range of tasks
  • Apps on most devices
  • Generous free tier
  • Assistant built into the browser
  • Based on Chromium, so extensions work
Cons
  • Can state wrong facts confidently
  • Best models and higher limits need a paid plan
  • Agent actions can be slow or make mistakes
  • Means switching from your current browser
Use it to
  • Draft emails, essays and reports from a short brief
  • Analyse an uploaded spreadsheet or PDF
  • Talk through a problem using voice mode
  • Summarise the page you are reading
  • Ask the assistant to compare products across tabs
  • Let it fill in simple web tasks for you
Web app
iPhone & iPad
Android
Windows
Mac
API

ChatGPT vs Perplexity Comet: questions

Is ChatGPT better than Perplexity Comet?

Neither wins for everyone. Our editors rank ChatGPT slightly higher overall in AI Chatbots & Assistants, but Perplexity Comet can be the better fit: Heavy web users who want research and errands done inside the browser.

Which is free, ChatGPT or Perplexity Comet?

Both can be used without paying: ChatGPT is free + paid and Perplexity Comet is free + paid. Paid plans add more usage or features.

Can I use ChatGPT and Perplexity Comet together?

Yes. Many people keep both and pick per task, for example draft emails, essays and reports from a short brief with ChatGPT, and summarise the page you are reading with Perplexity Comet.

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