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
Marketing
Devin A | Lovable A | Kling A | Perplexity S | |
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| Tagline | Cognition Labs' autonomous coding engineer. | Build a full app from a prompt. Stripe-ready. | Kuaishou's video model. The surprise standout. | AI search done right. Cited answers, not chat theater. |
| Category | Agents | Design | Video | Research |
| Pricing | $500/mo | Free + $25-$100/mo | Credit-based, free trial | Free + $20/mo Pro |
| Best for | Engineering teams offloading tickets. Ops/platform work. | Non-devs + solopreneurs shipping MVPs. | Anyone who wants top-tier video quality for less. | Replacing Google for any question where you want a cited answer in seconds. |
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| Kai's verdict | A-tier for the right use case. Not for solo devs. If you manage engineers, try one license. | A-tier. The strongest 'no-code' AI builder right now. Great for founder MVPs. | A-tier. Rising fast. If you can tolerate the UX, quality per dollar is best-in-class. | 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 → | Open → |