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Perplexity Comet

Perplexity's Chromium-based AI browser with a sidebar assistant that reads your open tabs, browses on your behalf, and takes multi-step actions via an MCP client.

Starting at$0
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In Plain English

Perplexity's Chromium-based AI browser with a sidebar assistant that reads your open tabs, browses on your behalf, and takes multi-step actions via an MCP client.

OverviewFeaturesPricingUse CasesFAQ

Overview

Comet is Perplexity's AI-native web browser, launched in mid-2025 and made generally available in 2026. It is a Chromium fork with the Perplexity assistant baked into the sidebar of every tab, giving you real-time answers about the page you are on, a persistent research thread across tabs, and an "agent" mode where the browser itself takes actions — filling forms, comparing prices, booking appointments, compiling briefs — while you watch. Because it has direct DOM access, Comet can inspect and act on the page in ways a chat-only assistant cannot, and it can cite the specific paragraphs it used from any tab.

Comet initially shipped only to Perplexity Max subscribers, then opened to all paid tiers in 2026 and to everyone with a Perplexity account later that year. The assistant supports MCP as a client, so any MCP server you connect (GitHub, Notion, Linear, your calendar) becomes a tool Comet can call while browsing. Enterprise pricing bundles Comet with Perplexity Enterprise Pro for centralized admin, SSO, and data controls. Comet is a strong pick for researchers, analysts, and knowledge workers who spend most of their day inside a browser and want an assistant that actually understands the tabs they have open — not just a generic chatbot.

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Key Features

Page-aware assistant: The sidebar reads the tab you're on and answers about that specific content, citing the exact paragraphs it used. This is qualitatively different from a chat window that has no idea what you're looking at.+
Cross-tab research thread: One conversation persists across tabs. Open ten product pages and Comet keeps the accumulated context so "summarize the pricing across all these" actually works — no manual copy-paste.+
Agent mode: Comet takes multi-step actions on real logged-in websites — filling out a form, comparing prices across five retailers, booking a restaurant, or compiling a company brief from LinkedIn + Crunchbase + news. Because it has DOM access, it works where headless scrapers fail on dynamic UI.+
MCP client: Register any MCP server as a tool. Practical setup: Notion + GitHub + Linear + your calendar. Now "draft a release note from the last three merged PRs and add it to our Notion changelog page" becomes a single ask.+
Enterprise Pro posture: SSO, admin controls, and data retention policies satisfy the checklist companies need before letting employees browse logged-in production tools through an AI-driven browser.+

Pricing Plans

Free

$0

  • ✓Comet available to any Perplexity account
  • ✓Basic sidebar assistant
  • ✓Limited daily agent runs

Perplexity Pro

$20/month

  • ✓Higher model quotas
  • ✓Priority reasoning models
  • ✓Faster agent runs
  • ✓Advanced browsing features

Perplexity Max

$200/month

  • ✓Frontier reasoning model access
  • ✓Advanced Comet agent features
  • ✓Highest quotas and priority
  • ✓Early access to new capabilities

Enterprise Pro

Contact sales

  • ✓SSO / SAML
  • ✓Admin controls
  • ✓Data retention policies
  • ✓Centralized billing
  • ✓Team admin dashboard
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Best Use Cases

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Researchers and analysts who work across dozens of tabs

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Sales and BD teams compiling prospect briefs from public and gated sources

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Automating multi-step web tasks (booking, form-filling, price comparison)

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Knowledge workers who want a browser that reads with them

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Teams using MCP servers as agent tools inside browsing sessions

Pros & Cons

✓ Pros

  • ✓Actually reads the tab you're on — the biggest jump in browsing UX in years
  • ✓Cross-tab research thread eliminates the "copy paragraph into ChatGPT" workflow
  • ✓Agent mode handles real logged-in sessions, not just scraped read-only pages
  • ✓MCP client turns any registered server into a tool while you browse
  • ✓Now free to any Perplexity account — no paywall for basic access
  • ✓Enterprise Pro adds credible admin controls for regulated environments

✗ Cons

  • ✗It is your entire browser — switching cost is high and extension support is narrower than Chrome
  • ✗Agent runs on the free tier are limited; heavy agent use pushes you to Pro or Max quickly
  • ✗Aggressive anti-bot sites (some booking, financial, and social platforms) block the agent
  • ✗Privacy tradeoff — the browser reads your logged-in pages; Enterprise Pro is the right tier for regulated teams
  • ✗Perplexity Max at $200/month is a big jump for occasional advanced agent use
  • ✗Public documentation for the Comet MCP client is thinner than for competing IDE-based MCP clients

Frequently Asked Questions

How much does Perplexity Comet cost?+

Perplexity Comet pricing starts at $0. They offer 4 pricing tiers.

What are the main features of Perplexity Comet?+

Perplexity Comet includes Chromium-based AI browser (macOS, Windows, iOS, Android), Sidebar assistant with real-time page-aware answers, Cross-tab research threads with source citations and 5 other features. Perplexity's Chromium-based AI browser with a sidebar assistant that reads your open tabs, browses on your behalf, and takes multi-step actions via an...

What are alternatives to Perplexity Comet?+

Popular alternatives to Perplexity Comet include [object Object], [object Object], [object Object], [object Object]. Each offers different features and pricing models.
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Quick Info

Category

AI Browser

Website

www.perplexity.ai/comet
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