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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Coding
Image
Productivity
Writing
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Perplexity S | DALL-E 3 B | Manus S | |
|---|---|---|---|
| Tagline | AI search done right. Cited answers, not chat theater. | OpenAI's image model. Built into ChatGPT Plus. | Autonomous AI agent that actually finishes tasks. |
| Category | Research | Image | Agents |
| Pricing | Free + $20/mo Pro | Included with ChatGPT Plus $20/mo | Free tier + $39-$199/mo |
| Best for | Replacing Google for any question where you want a cited answer in seconds. | ChatGPT Plus users who want images without paying extra. | 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. | B-tier standalone, A-tier value if you already pay ChatGPT. Don't pay for it separately. | S-tier in the agent category. The first one I'd give to a non-technical friend. |
| Link | Open → | Open → | Open → |