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)
coding
image
productivity
writing
marketing
Replit Agent A | Replicate S | Lovable A | HeyGen S | |
|---|---|---|---|---|
| Tagline | Replit's AI that builds + deploys full apps on their platform. | Run any open-source AI model with an API call. | Build a full app from a prompt. Stripe-ready. | AI avatar videos. Record once, speak any language. |
| Category | coding | dev platform | design | video |
| Pricing | $10-$25/mo Core/Teams | Pay per second of compute | Free + $25-$100/mo | Free + $24-$65/mo |
| Best for | Teachers, students, prototypers, hackathon builders. | Developers using open-source models (Flux, SDXL, Whisper, etc). | Non-devs + solopreneurs shipping MVPs. | Course creators, multilingual marketers, anyone scaling video content. |
| Strengths |
|
|
|
|
| Weaknesses |
|
|
|
|
| Kai's verdict | A-tier. Best for teaching a kid to code in 2026. | S-tier for open-source model APIs. The default in this space. | A-tier. The strongest 'no-code' AI builder right now. Great for founder MVPs. | S-tier for multilingual video. If you sell courses or speak at events, this is a cheat code. |
| Link | Open → | Open → | Open → | Open → |