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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OpenRouter S | Lovable A | Hex A | |
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| Tagline | One API, every model. Pay-as-you-go, no subscriptions. | Build a full app from a prompt. Stripe-ready. | Modern data notebook with Magic AI assistant. |
| Category | dev platform | design | data |
| Pricing | Pay per token — model-dependent | Free + $25-$100/mo | Free + $28+/user/mo |
| Best for | Developers experimenting across models. Apps that want fallback logic. | Non-devs + solopreneurs shipping MVPs. | Data teams at startups + enterprises. |
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| Kai's verdict | S-tier for model-shopping. I use this for every prototype before committing. | A-tier. The strongest 'no-code' AI builder right now. Great for founder MVPs. | A-tier for data teams. S-tier if you already live in SQL + Python. |
| Link | Open → | Open → | Open → |