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 (4 selected)
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Devin A | Lovable A | v0 S | Cursor S | |
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| Tagline | Cognition Labs' autonomous coding engineer. | Build a full app from a prompt. Stripe-ready. | Vercel's AI-powered UI generator. Prompt to shadcn component. | VS Code fork that made AI coding actually work. |
| Category | agents | design | design | coding |
| Pricing | $500/mo | Free + $25-$100/mo | Free + $20/mo | Free + $20/mo Pro + $40/mo Business |
| Best for | Engineering teams offloading tickets. Ops/platform work. | Non-devs + solopreneurs shipping MVPs. | Frontend devs, PMs prototyping UIs, anyone on Next.js. | Developers. Non-developers who want to ship working code. |
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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. | S-tier. If you're on Vercel/shadcn, this is cheating. | S-tier for coding. If you write code of any kind, this pays back the $20 in a day. |
| Link | Open → | Open → | Open → | Open → |