Perplexity Comet
by Perplexity AI
Perplexity Comet is an AI-native web browser built on Chromium (desktop) and WebKit (iOS) that integrates an AI assistant directly into the browsing experience. Launched in July 2025 and made free to all users in October 2025, it features agentic browsing, Deep Research mode for generating structured outputs, voice interaction, cross-tab summarization, and Background Assistants for autonomous multi-step task execution.
Primary Use Cases
- AI-assisted web research and browsing
- Deep research report generation
- Autonomous browser-based task automation
- Content summarization and synthesis
- Premium publisher content access (Comet Plus)
✅ Strengths
- Seamless AI integration without switching apps
- Free to download and use for basic browsing
- Cross-platform: desktop and mobile
- Citation-grounded AI responses reduce hallucinations
- Background Assistants for hands-free task execution
- Samsung Internet integration for broad reach
⚠️ Limitations
- No public developer API for Comet browser internals
- Data collection model with no opt-out for ad profiling
- Background Assistants limited to Max plan ($200/month)
- CometJacking security vulnerability reported in 2025
- Not recommended for highly sensitive/confidential work
Technical Specifications
Trust & Privacy
Built on GPT-5.4 / Claude Sonnet 4.6 / Gemini 3.1 Pro (user-selectable)
Ecosystem & Integrations
Pricing Breakdown
Basic AI browsing, page summarization, limited agentic credits, ad blocking
0Full-text access to premium publisher content (Washington Post, Fortune, Condé Nast)
300+ Pro AI searches/day, top-tier model selection, entry-level Perplexity Computer
10,000 Computer credits/month, unlimited deep research, Background Assistants, priority frontier model access