Compare AI tools
Side-by-side: what they do, what they cost, what Kai actually thinks. Pass up to 4 tools via ?tools=claude,chatgpt,gemini.
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Manus S | Fireflies A | Perplexity S | |
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| Tagline | Autonomous AI agent that actually finishes tasks. | Sales-focused meeting AI with CRM integration. | AI search done right. Cited answers, not chat theater. |
| Category | Agents | Meetings | Research |
| Pricing | Free tier + $39-$199/mo | Free + $10-$19/user/mo | Free + $20/mo Pro |
| Best for | People who want to hand off tasks entirely — trip planning, research, spreadsheet building. | Sales teams, customer success, anyone running many discovery calls. | Replacing Google for any question where you want a cited answer in seconds. |
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| Kai's verdict | S-tier in the agent category. The first one I'd give to a non-technical friend. | A-tier for sales teams. B-tier for solo users. | S-tier for search. I use it before Google now. If you're still Googling everything, try this for a week. |
| Link | Open → | Open → | Open → |