Perplexity Comet vs ChatGPT Atlas: Which AI Browser is Better?
Today, Artificial Intelligence (AI) is revolutionizing work by simplifying research and automating tasks. At the heart of this AI wave are advanced browser software like Perplexity Comet and ChatGPT Atlas, designed to help professionals research faster and get more done.
Where, on one hand, Perplexity Comet focuses on delivering a research-centric experience, ChatGPT Atlas, on the other, centers on enhancing productivity through AI task automation.
Since both browsers are, at present, trending in the AI space, presumably for showcasing how AI can go far beyond simple question answering, one’s likely to wonder what sets the two apart or makes one shine better than the other. Well, this Perplexity Comet vs ChatGPT Atlas debate is exactly what we are here to settle, one key distinction at a time!
What is Perplexity Comet?
Perplexity Comet is an AI-powered web browser developed by Perplexity AI, designed to act as a personal assistant embedded directly into your browsing experience.
Launched in July 2025, Comet is built on Chromium, meaning it supports Chrome extensions and offers a familiar interface for users switching from browsers like Chrome or Edge.
Key Features:
- AI Assistant Integration: Every tab includes a built-in assistant that can summarize articles, compare sources, manage emails, shop online, and even help with coding.
- AI Search Engine: Uses Perplexity’s own search engine to deliver cited answers and summaries instead of just links.
- Automation Tools: Can fill forms, book meetings, and handle shopping flows automatically.
- Fixed Homepage: The browser locks its new tab page to Perplexity.ai, preventing customization via extensions.
- Privacy & Productivity: Offers tools like Split View, Picture-in-Picture, and a native ad blocker. A VPN is also in development.
Perplexity Comet
Starting Price
$ 200.00
Comet is available for free on macOS and Windows, with premium features accessible via Perplexity Pro or Max subscriptions.
If you wish to know more about Perplexity Comet Browse
What is ChatGPT Atlas?
ChatGPT Atlas is OpenAI’s AI-first web browser, launched in October 2025, and built entirely around the ChatGPT assistant. Like Comet, Atlas too runs on Chromium, but it focuses more on blending ChatGPT into everything you do while browsing.
Key Features:
- ChatGPT Sidebar: Allows users to summarize, explain, or interact with any webpage in real time.
- Agent Mode: Enables ChatGPT to autonomously complete tasks like booking appointments, comparing products, or drafting emails (available to Plus, Pro, and Business users).
- Browser Memory: Remembers user activity and context across tabs and sessions to provide personalized assistance.
- Cursor Assistant: Offers quick help in any text field, ideal for writing, researching, or editing without switching tabs.
- Privacy Controls: Users can manage what ChatGPT sees, disable memory, and clear browsing history.
ChatGPT Atlas
Starting Price
₹ 1999.00 excl. GST
Atlas is currently available for macOS and supports Free, Plus, Pro, and Go users. Versions for Windows, iOS, and Android are in development.
Perplexity Comet vs ChatGPT Atlas: Detailed Comparison of AI Browsers
| Feature | Perplexity Comet | ChatGPT Atlas |
|---|---|---|
| Developer | Perplexity AI | OpenAI |
| Launch Date | July 2025 | October 2025 |
| Primary Focus | Deep research, citation-backed insights, and AI-driven search | AI task automation, workflow management, and productivity |
| Engine Base | Built on Chromium (supports Chrome extensions) | Built on Chromium (optimized for ChatGPT integration) |
| AI Assistant Features | Summarizes articles, compares sources, manages emails, assists coding | ChatGPT Sidebar for summarizing, explaining, and interacting with pages |
| Unique Capability | Citation-based AI answers with source references | Agent Mode for autonomous task execution |
| Memory & Context | Session-based research tracking (no long-term memory) | Persistent browser memory across tabs and sessions |
| User Interface | Workspace-style design for research and note management | Minimalist UI focused on task completion and speed |
| Platform Availability | Windows & macOS (mobile in development) | macOS (Windows, iOS & Android coming soon) |
| Pricing Model | Free tier with Pro and Max paid upgrades | Free browsing; Plus, Pro & Business plans unlock automation |
| Best For | Researchers, analysts, and knowledge professionals | Marketers, developers, and productivity-focused users |
| Privacy & Security | Ad blocker, Split View, Picture-in-Picture, VPN (in progress) | Privacy control, memory toggle, and browsing history clearing |
| Current Release Status | Public desktop release (beta) | macOS public beta |
Perplexity Comet vs ChatGPT Atlas: Key Differences
All the essential differences between Atlas and Comet are listed below for your understanding and convenience…
1. Focus on Task Automation vs Deep Research
The clearest difference between ChatGPT Atlas and Perplexity Comet lies in their primary purpose. Atlas is built for automation. It works like an AI engine inside your browser, handling repetitive and complex tasks by linking steps through smart agents. The goal is to cut down manual work and boost productivity by letting AI take care of routine jobs, so you can focus on important matters.
Comet is all about deep research and knowledge synthesis. It aids users in thoroughly understanding topics by delivering detailed, citation-backed answers and supporting notes and workspace management. It is less about speed and more about quality of information.
2. Agent Capabilities and Workflow Integration
One of Atlas’s key strengths is agent workflows. You can set up AI agents to handle multi-step tasks like gathering data, writing content, and more. This makes Atlas great for planning, managing schedules, or creating detailed reports without needing to do everything yourself.
Comet gives you a shared workspace to organize research and read with AI help. It doesn’t have Atlas’s automation power, but it’s great for sorting information and doing deep, thoughtful analysis.
ChatGPT
Starting Price
₹ 399.00 excl. GST
3. Memory and Context Handling
ChatGPT Atlas offers AI memory of past tasks and state, so ongoing workflows pick up exactly where they left. This is essential for automated sequences that need to maintain continuity.
Perplexity Comet keeps track of your research session, helping you stay focused as you explore different sources. It is great for following your thought process, but unlike Atlas, it doesn’t remember tasks over time.
ChatGPT Atlas
Starting Price
₹ 1999.00 excl. GST
4. Interface and User Experience
The user interface reflects each browser’s core goal. ChatGPT Atlas has a clean, productivity-focused UI crafted for quick task completion. Its design offers minimal distractions, easy access to agent commands, and smooth task switching.
Perplexity Comet provides a workspace-oriented interface where users can browse, save, mark-up, and analyze information. The emphasis is on clarity, depth, and note management to support research work.
5. Platform and Accessibility
Accessibility can be a dealbreaker for many users. ChatGPT Atlas browser currently supports macOS only, catering to professionals invested in the Apple ecosystem.
Comet is cross-platform, working on Windows, macOS, Linux, and accessible via any modern web browser. This makes Perplexity Comet available to a wider range of professionals regardless of device or OS preference.
Perplexity AI
Starting Price
$ 20.00
6. Pricing Structure
Pricing also differs significantly. ChatGPT Atlas has a paid subscription model for its agent workflow features, although basic browsing with ChatGPT may remain free. The subscription unlocks automation capabilities crucial for task-oriented users.
Perplexity Comet offers a free tier that performs most research tasks. Premium plans unlock more sharing and workspace tools, but basic research stays free and fully available to everyone.
Perplexity Comet
Starting Price
$ 200.00
Conclusion
In the Perplexity Comet vs ChatGPT Atlas comparison, your choice depends mostly on what kind of work you do…
Choose ChatGPT Atlas if you want AI that helps you do more, i.e., automating repetitive tasks, managing workflows, and taking your productivity game up a notch.
Opt for Perplexity Comet if your goal is to know more, i.e., conduct research, understand complex topics, and build reliable knowledge with detailed, backed-up answers.
You can also integrate both uniquely into your daily work, leveraging Atlas for automation and Comet for research.
The choice is yours to make and we will leave it in your hands!
Written by
Yashika Aneja 
Yashika Aneja is a Senior Content Writer at Techjockey, with over 5 years of experience in content creation and management. From writing about normal everyday affairs to profound fact-based stories on wide-ranging themes, including environment, technology, education, politics, social media, travel, lifestyle so on and so forth, she... Read more
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