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Comet vs Perplexity

A side-by-side comparison of Comet and Perplexity, drawn from Ignaite's continuously-verified listings.

Compared from listings verified as of

Comet

Assistant

Perplexity's AI browser with a sidebar assistant that acts across your tabs.

View Comet

Perplexity

Search

AI search engine that answers with inline citations.

View Perplexity

At a glance

Feature comparison of Comet and Perplexity
AttributeCometPerplexity
Category (differs)AssistantSearch
PricingFREEMIUMFREEMIUM
LicenseProprietaryProprietary
Deployment (differs)LocalCloud
Platforms (differs)Windows, macOS, Android, iOSWeb, iOS, Android, macOS, Windows, API
Model supportMulti-modelMulti-model
Vendor (differs)PerplexityPerplexity AI
Capabilities (differs)
  • Browser automation
  • Agent memory
  • Web research agent
  • Summarization
  • Email assistant
  • Calendar scheduling
  • Multi-model access
  • Cited answers
  • Unified search
  • Embeddings
  • Web research agent

The honest brief

Comet

The only major AI browser free across desktop and mobile, with an assistant that can act on open tabs, email, and calendar from the sidebar.

  • Free on desktop and mobile
  • Sidebar assistant acts across tabs
  • Chromium base imports Chrome data
  • Deep Research and voice built in
  • Closed source
  • Frontier models need Pro or Max
  • Publisher content costs $5/month
  • Assistant needs broad data access

Perplexity

Pairs a consumer cited-answer engine with the Sonar API, so the same retrieval layer powers both.

  • Inline citations on synthesized answers
  • Cited search API for your own apps
  • Pro lets you pick a model per query
  • Strong on fresh, fact-based queries
  • Citations can misattribute or be wrong
  • Weak on niche topics with thin sources
  • Best features gated behind Pro

When to pick which

Both cover Web research agent.

Pick Comet if you need Browser automation, Agent memory, Summarization, Email assistant, and 1 more.

  • Browser automation (secondary capability)
  • Agent memory (secondary capability)
  • Summarization (secondary capability)
  • Email assistant (secondary capability)
  • Calendar scheduling (secondary capability)

Pick Perplexity if you need Multi-model access, Cited answers, Unified search, and Embeddings.

  • Multi-model access (secondary capability)
  • Cited answers (primary capability)
  • Unified search (primary capability)
  • Embeddings (secondary capability)

Comet leans on Web research agent as a headline capability; Perplexity treats it as secondary.

  • Web research agent (primary capability)

They also differ on:

Deployment
Local · Cloud
Platforms
Windows, macOS, Android, iOS · Web, iOS, Android, macOS, Windows, API
Comet detailsPerplexity details