Gemini is the better app overall, scoring 8.9 to 8.2. Gemini wins on 5 of the 5 scores, Comet on 0.
Google Workspace and Android users who want a helper that knows their mail and files
Researchers and heavy web users who want AI help beside every tab
Score by score
The details
| Feature | Gemini | Comet |
|---|---|---|
| Category | AI Assistants | AI Assistants |
| Category rank | #2 of 16 | #10 of 16 |
| Developer | Perplexity AI | |
| Pricing | Free + paid plans | Free + paid plans |
| Usable for free | Yes | Yes |
| iPhone & iPad | ✓ | ✓ |
| Android | ✓ | ✓ |
| Mac | ✓ | ✓ |
| Windows | ✓ | ✓ |
| Web | ✓ | — |
Common questions
Is Gemini better than Comet?
Gemini is the better app overall, scoring 8.9 to 8.2. Gemini wins on 5 of the 5 scores, Comet on 0.
Which is cheaper, Gemini or Comet?
Gemini: Free; AI Plus $4.99, AI Pro $19.99, AI Ultra from $99.99 per month. Comet: Free on every platform; Perplexity Pro ($20 a month) and Max raise the limits. On value for money, Gemini scores higher.
Do Gemini and Comet work on the same devices?
Only Gemini runs on Web.
Which is more private, Gemini or Comet?
Gemini scores higher on privacy (6.5/10). The App Store label links a wide range of data to you, including location, contacts, content and browsing history. Chats are not used for ads, but a sample is reviewed by people and kept up to 3 years.
Strengths and weaknesses
Gemini
- Works across the Google apps you already use
- Lots for free, with strong models
- Paid plans include extra Google storage
- People review some chats, and they're kept for years
- Best features are tied to Google accounts and services
Gemini is the easy pick if you already live in Google's apps. It works across Gmail, Drive, Calendar and dozens of other linked apps. It writes Deep Research reports and makes images and video. Gemini Live makes voice chats feel natural, and there are now native Mac and Windows apps. The trade-off is privacy. People review some chats, and the app collects a lot. Paid plans come with extra Google storage.
Full Gemini review
Comet
- Free on Mac, Windows, iPhone and Android
- Can act on pages, not just sum them up
- Your sessions sync between phone and computer
- A synced account lets Perplexity record your browsing history
- The helper has to read the pages you visit
- No Linux version
Comet is Perplexity's web browser, with an AI helper beside every tab. It can sum up a page or compare products across sites. It can even work through a multi-step task while you browse. Bigger jobs go to Perplexity Computer. It's free on Mac, Windows, iPhone and Android, and your sessions sync between them. The trade-off is privacy. The helper has to read your pages, and a synced account lets Perplexity record your history.
Full Comet review