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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Perplexity S | Rows A | Sora A | Manus S | |
|---|---|---|---|---|
| Tagline | AI search done right. Cited answers, not chat theater. | Spreadsheets with AI + live integrations baked in. | OpenAI's video model. Long clips, cinematic quality. | Autonomous AI agent that actually finishes tasks. |
| Category | Research | Data | Video | Agents |
| Pricing | Free + $20/mo Pro | Free + $19-$89/user/mo | Included with ChatGPT Plus/Pro | Free tier + $39-$199/mo |
| Best for | Replacing Google for any question where you want a cited answer in seconds. | Ops teams, marketers, anyone building dashboards from multiple sources. | ChatGPT subscribers experimenting with cinematic shots. | People who want to hand off tasks entirely — trip planning, research, spreadsheet building. |
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| Kai's verdict | S-tier for search. I use it before Google now. If you're still Googling everything, try this for a week. | A-tier. The most interesting spreadsheet in years. Great for ops dashboards. | A-tier. Amazing when it works, frustrating when it doesn't. Runway still more reliable for pros. | S-tier in the agent category. The first one I'd give to a non-technical friend. |
| Link | Open → | Open → | Open → | Open → |