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.Pick tools (3 selected)
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Perplexity S | Runway S | ChatGPT Operator B | |
|---|---|---|---|
| Tagline | AI search done right. Cited answers, not chat theater. | The pro's AI video tool. Gen-4 is the current bar. | OpenAI's browser agent. Clicks and types on websites for you. |
| Category | research | video | agents |
| Pricing | Free + $20/mo Pro | Free + $15-$95/mo | Included with ChatGPT Pro $200/mo |
| Best for | Replacing Google for any question where you want a cited answer in seconds. | Marketing video, pitch decks, b-roll, creative shorts. | Power users willing to pay $200/mo for a browser bot. |
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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. | S-tier. Market leader with reason. Start here for serious video. | B-tier. Still early. Manus is more flexible for less money. |
| Link | Open → | Open → | Open → |