kitio.aiPerplexity Comet vs Summary Box
A side-by-side look at pricing plans, free tiers, features, pros and cons, updated for 2026. Summary Box has the lower starting price: about $12 a month, against $20 for Perplexity Comet.
Perplexity's AI browser with an assistant that can act on web pages
Freemium · $20/moAt a glance
Best for
Category
Pricing model
Starting price
Free plan
Made by
Based in
Rating
Key features
- Built-in AI assistant
- Tab summaries
- Agentic tasks
- Chrome extension support
- Perplexity search
- Feed digest across platforms
- Local logged-in browsing
- Editable personal profile
- Highlight-to-research
- Source links on every card
| Feature | Perplexity Comet | Summary Box |
|---|---|---|
| Best for | Perplexity's AI browser with an assistant that can act on web pages | Browser agent that reads your feeds and returns a ranked digest |
| Category | Productivity | Productivity |
| Pricing model | Freemium | Free trial |
| Starting price | $20/mo | $12/mo |
| Free plan | Yes | No, 5-day trial |
| Made by | Perplexity | Summary Box |
| Based in | United States | – |
| Rating | No ratings yet | No ratings yet |
| Key features |
|
|
Pricing compared
Summary Box has the lower starting price: about $12 a month, against $20 for Perplexity Comet.
Free plan
Cheapest paid plan
Top plan
Free trial
3 plans
Free
Free
- Comet browser free to download
- Basic assistant and search
Pro
$20/mo
- More advanced searches and models
- Expanded Comet assistant usage
Max
$200/mo
- Highest usage limits
- Early access to new features
Prices in USD, checked Oct 28, 2026 or later. Plans change often, so confirm on each tool's site before you buy.
Pros and cons
Perplexity Comet
- Free to use
- Assistant sees page context
- Familiar Chrome base
- Agent actions raise security concerns
- Best limits need a paid plan
Summary Box
- Reads feeds behind your logins
- Explains why each item was picked
- Blocks financial sites by design
- Chrome only
- Needs to run on your own machine
- Plans not detailed on the site
Which one should you choose?
Choose Perplexity Comet if you want:
- Free to use
- Assistant sees page context
- Familiar Chrome base
Watch out: agent actions raise security concerns.
Choose Summary Box if you want:
- Reads feeds behind your logins
- Explains why each item was picked
- Blocks financial sites by design
Watch out: chrome only.
Perplexity Comet vs Summary Box FAQ
What is the difference between Perplexity Comet and Summary Box?
Perplexity Comet: Perplexity's AI browser with an assistant that can act on web pages. Summary Box: Browser agent that reads your feeds and returns a ranked digest. Both are productivity tools.
Is Perplexity Comet or Summary Box cheaper?
Summary Box has the lower starting price: about $12 a month, against $20 for Perplexity Comet.
Do Perplexity Comet and Summary Box have free plans?
Perplexity Comet: Yes. Summary Box: No, 5-day trial.
Who makes Perplexity Comet?
Perplexity Comet is made by Perplexity, based in United States.
Who makes Summary Box?
Summary Box is made by Summary Box.
Which should I choose, Perplexity Comet or Summary Box?
Choose Perplexity Comet if you value free to use and assistant sees page context. Choose Summary Box if you value reads feeds behind your logins and explains why each item was picked.