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
AssistantPerplexity's AI browser with a sidebar assistant that acts across your tabs.
View CometAt a glance
| Attribute | Comet | Perplexity |
|---|---|---|
| Category (differs) | Assistant | Search |
| Pricing | FREEMIUM | FREEMIUM |
| License | Proprietary | Proprietary |
| Deployment (differs) | Local | Cloud |
| Platforms (differs) | Windows, macOS, Android, iOS | Web, iOS, Android, macOS, Windows, API |
| Model support | Multi-model | Multi-model |
| Vendor (differs) | Perplexity | Perplexity AI |
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