kitio.aiPerplexity Comet vs Walnut AI
A side-by-side look at pricing plans, free tiers, features, pros and cons, updated for 2026. Perplexity Comet starts at $20/mo and Walnut AI starts at See pricing page. Check both pricing pages for current plans.
Perplexity's AI browser with an assistant that can act on web pages
Freemium · $20/moAt a glance
Best for
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Starting price
Free plan
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Key features
- Built-in AI assistant
- Tab summaries
- Agentic tasks
- Chrome extension support
- Perplexity search
- Smart profile with visitor insights
- Long-term relationship memory
- AI follow-up drafting
- Business card scanner
- Connection Radar
| Feature | Perplexity Comet | Walnut AI |
|---|---|---|
| Best for | Perplexity's AI browser with an assistant that can act on web pages | AI networking assistant that remembers your contacts and meetings |
| Category | Productivity | Productivity |
| Pricing model | Freemium | Freemium |
| Starting price | $20/mo | See pricing page |
| Free plan | Yes | Yes |
| Made by | Perplexity | Walnut AI, Inc. |
| Based in | United States | – |
| Rating | No ratings yet | No ratings yet |
| Key features |
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Pricing compared
Perplexity Comet starts at $20/mo and Walnut AI starts at See pricing page. Check both pricing pages for current plans.
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
Walnut AI
- Keeps context on every relationship
- Agents handle follow-up drafts
- Useful tools for conferences
- Invite-only for now
- Pricing details are not published
- Value depends on how much you log
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 Walnut AI if you want:
- Keeps context on every relationship
- Agents handle follow-up drafts
- Useful tools for conferences
Watch out: invite-only for now.
Perplexity Comet vs Walnut AI FAQ
What is the difference between Perplexity Comet and Walnut AI?
Perplexity Comet: Perplexity's AI browser with an assistant that can act on web pages. Walnut AI: AI networking assistant that remembers your contacts and meetings. Both are productivity tools.
Is Perplexity Comet or Walnut AI cheaper?
Perplexity Comet starts at $20/mo and Walnut AI starts at See pricing page. Check both pricing pages for current plans.
Do Perplexity Comet and Walnut AI have free plans?
Perplexity Comet: Yes. Walnut AI: Yes.
Who makes Perplexity Comet?
Perplexity Comet is made by Perplexity, based in United States.
Who makes Walnut AI?
Walnut AI is made by Walnut AI, Inc..
Which should I choose, Perplexity Comet or Walnut AI?
Choose Perplexity Comet if you value free to use and assistant sees page context. Choose Walnut AI if you value keeps context on every relationship and agents handle follow-up drafts.