Features Updated Oct 24, 2025

AI Assistant Complete Guide

Comet Browser’s AI Assistant is powered by Perplexity AI, giving you access to multiple state-of-the-art language models including GPT-4, Claude 3.5 Sonnet, and Gemini Pro.

Accessing the AI Assistant

Three Ways to Launch

1. Click the AI Icon

  • Look for the lightning bolt icon in the top-right corner
  • Click to open the Assistant sidebar
  • Sidebar slides in from the right side

2. Voice Mode (Fastest)

  • Press Shift + Alt + V (Shift + Option + V on Mac)
  • Start speaking immediately
  • AI responds with both voice and text
  • Press again to toggle off

3. Command Palette

  • Press Cmd/Ctrl + K
  • Type “Assistant” and press Enter
  • Or type commands directly

AI Models Available

Free Tier Models

Perplexity Default

  • Fast responses
  • Good for general queries
  • Web search integration
  • Real-time information

Pro Tier Models (First Month FREE)

GPT-4 (OpenAI)

  • Best for complex reasoning
  • Code generation
  • Creative writing
  • Detailed analysis

Claude 3.5 Sonnet (Anthropic)

  • Excellent for long-form content
  • Superior code understanding
  • Natural conversation
  • Ethical reasoning

Gemini Pro (Google)

  • Multimodal capabilities
  • Fast performance
  • Good at summarization
  • Research-focused

Switch Models: Click model name in sidebar → Select new model

Core Features

1. Ask Questions About Anything

The AI can answer questions on any topic with real-time web search:

Example Queries:

"What's the latest news on AI development?"
"Explain quantum computing simply"
"Find flights from NYC to Tokyo under $800"
"What are the best programming languages to learn in 2025?"

Pro Tip: Be specific for better answers. Instead of “Tell me about Python”, ask “What are Python’s best use cases for data science in 2025?“

2. Page Summarization

Instantly summarize any web page you’re viewing:

How to Use:

  1. Navigate to any article or page
  2. Open AI Assistant
  3. Click “Summarize” button, or say:
    • “Summarize this page”
    • “What are the key points?”
    • “TL;DR this article”

Works On:

  • News articles
  • Blog posts
  • Research papers
  • Documentation
  • Wikipedia pages

Pro Feature: Ask follow-up questions about the summary:

"What's the author's main argument?"
"Are there any counterpoints mentioned?"
"Explain section 3 in more detail"

3. YouTube Video Summarization

Get instant summaries of YouTube videos without watching:

Steps:

  1. Open any YouTube video
  2. Click AI Assistant
  3. Say “Summarize this video”
  4. Get key points, timestamps, and main topics

Example Output:

📹 Video Summary (15:34 length)
Main Topics:
1. Introduction to Comet Browser (0:00-2:15)
2. AI Features Overview (2:15-8:45)
3. Comparison with Chrome (8:45-12:30)
4. Getting Started Guide (12:30-15:34)

Key Takeaways:
- Comet integrates Perplexity AI natively
- 3x faster for research tasks
- Compatible with Chrome extensions

4. Multi-Tab Comparison

Compare content across multiple tabs with AI analysis:

Use Cases:

  • Compare product prices and features
  • Analyze different news sources
  • Research paper comparison
  • Restaurant reviews across sites

How to Use:

  1. Open 2-5 tabs with content to compare
  2. Open AI Assistant
  3. Say: “Compare these tabs”
  4. Or: “Which product is better?”

Example:

You: "Compare these 3 laptops"

AI: Based on the 3 tabs:

MacBook Pro 14":
✅ Best performance (M3 chip)
✅ Excellent battery (18hrs)
❌ Most expensive ($1,999)

Dell XPS 15:
✅ Best display (4K OLED)
✅ Mid-range price ($1,499)
⚠️ Average battery (8hrs)

Lenovo ThinkPad:
✅ Best keyboard
✅ Most affordable ($1,199)
❌ Older processor

Recommendation: MacBook Pro if budget allows, Dell XPS for display quality.

5. Natural Language Browser Control

Control the browser with voice or text commands:

Navigation Commands:

"Open Gmail"
"Go to YouTube"
"Search for Comet Browser review"
"Open my bookmarks"
"Show my history"

Tab Management:

"Close this tab"
"Open a new tab"
"Show all tabs"
"Group these tabs"
"Pin this tab"

Search Commands:

"Find 'AI' on this page"
"Search for restaurants near me"
"What's the weather today?"

6. Email & Calendar Integration

Gmail Integration:

  • “Open my Gmail”
  • “Draft an email to John about the meeting”
  • “Summarize my unread emails”
  • “Find emails from Sarah last week”

Calendar (Google Calendar):

  • “What’s on my calendar today?”
  • “Add meeting at 2 PM tomorrow”
  • “Remind me to call mom at 5 PM”

7. Shopping Assistant

AI helps with online shopping decisions:

Features:

  • Price comparison across sites
  • Product feature analysis
  • Review summarization
  • Deal alerts

Example:

You: "Find the best wireless headphones under $200"

AI: *Searches and analyzes*

Top 3 Options:
1. Sony WH-CH720N - $149
   - 35hr battery, noise canceling
   - 4.5★ (12k reviews)
   
2. Anker Soundcore Q30 - $79
   - 40hr battery, good ANC
   - 4.4★ (8k reviews)
   
3. JBL Tune 760NC - $129
   - Lightweight, solid bass
   - 4.3★ (5k reviews)

Best value: Anker Q30

Advanced Features

Personal Search & Memory

Comet learns from your browsing to provide personalized results:

How It Works:

  • AI remembers your browsing context
  • Provides personalized recommendations
  • Learns your preferences over time
  • All data stored locally (private)

Example:

You: "Find that article I read yesterday about AI"
AI: "You read 'The Future of AI in 2025' on TechCrunch at 3:45 PM"

Focus Mode

Eliminate distractions while researching:

Enable: Click Focus icon or say “Enter focus mode”

Features:

  • Blocks social media
  • Hides notifications
  • AI summarizes important alerts
  • Time tracking

Research Mode (Pro)

Deep research with multiple sources:

Steps:

  1. Open AI Assistant
  2. Select “Research Mode”
  3. Ask complex question
  4. AI searches 10+ sources
  5. Provides cited, comprehensive answer

Example Query:

"What are the environmental impacts of electric vehicles compared to gas cars, considering manufacturing and lifetime use?"

AI Response:

  • Searches academic papers, reports, news
  • Cites sources inline [1][2][3]
  • Provides balanced analysis
  • Offers follow-up questions

Keyboard Shortcuts

Essential Shortcuts

ActionMacWindows/Linux
Voice ModeShift + Option + VShift + Alt + V
Open AssistantCmd + JCtrl + J
Command PaletteCmd + KCtrl + K
Summarize PageCmd + Shift + SCtrl + Shift + S
New ChatCmd + NCtrl + N

Full list: Keyboard Shortcuts Guide

Customization Options

Settings → AI Assistant

Model Preferences:

  • Set default model (GPT-4, Claude, Gemini)
  • Enable/disable web search
  • Citation style preference

Voice Settings:

  • Choose voice (10+ options)
  • Adjust speed (0.5x to 2x)
  • Enable/disable voice responses

Privacy:

  • Local history only
  • Clear conversation history
  • Disable usage analytics
  • Incognito mode for AI

Pro vs Free Comparison

FeatureFreePro ($20/mo)
Basic AI Queries✅ Unlimited✅ Unlimited
Web Search✅ Yes✅ Enhanced
Page Summarization✅ Yes✅ Yes
GPT-4 Access❌ 5/day✅ Unlimited
Claude 3.5❌ No✅ Unlimited
Gemini Pro❌ No✅ Unlimited
Research Mode❌ No✅ Yes
Voice Mode✅ Basic✅ Advanced
File Upload (PDF)❌ No✅ Yes
API Access❌ No✅ Yes

Get 1 Month Free: Claim Free Pro (new users only)

Tips & Best Practices

Writing Better Prompts

❌ Vague: “Tell me about AI”

✅ Specific: “Explain how transformer models work in large language models, with examples from GPT-4”

Use Follow-Up Questions

Don’t start a new conversation—ask follow-ups:

You: "What's the capital of France?"
AI: "Paris"
You: "What are the top attractions there?"
AI: *Provides list with context from previous answer*

Leverage Context

AI knows what page you’re on:

"Summarize this"
"Find similar articles"
"What does the author mean by X?"

Chain Commands

"Summarize this article, then find 3 similar articles, and compare their main arguments"

Troubleshooting

AI Not Responding

  1. Check internet connection
  2. Refresh page (Cmd/Ctrl + R)
  3. Clear cache: Settings → Privacy
  4. Restart Comet Browser

Slow Responses

  • Switch to faster model (Perplexity Default)
  • Close unused tabs
  • Check for Comet updates
  • Disable unnecessary extensions

Inaccurate Answers

  • Try different model (Claude for nuance, GPT-4 for accuracy)
  • Enable web search in settings
  • Rephrase your question more specifically
  • Use Research Mode (Pro) for complex queries

Voice Mode Not Working

Mac: System Settings → Privacy & Security → Microphone → Allow Comet Windows: Settings → Privacy → Microphone → Allow Comet

  • Check microphone selection in Settings → AI → Voice

Privacy & Security

What Data is Collected?

  • Queries sent to Perplexity servers (encrypted)
  • Browsing context (for personalization)
  • Usage analytics (anonymized, opt-out available)

What’s NOT Collected?

  • Passwords
  • Payment information
  • Private/Incognito browsing data
  • Sensitive form data

Incognito Mode

  • AI Assistant still works
  • No conversation history saved
  • No personalization applied
  • Data not used for training

Next Steps


Last Updated: October 24, 2025
Comet Version: Latest (October 2025 Release)