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)
Dev Platform
Coding
Image
Productivity
Writing
Marketing
Leonardo.ai A | Hume AI A | Elicit S | HeyGen S | |
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| Tagline | Gamer + creator image gen with model fine-tuning built in. | Voice AI that reads + expresses emotion. | AI research assistant for academic literature. | AI avatar videos. Record once, speak any language. |
| Category | Image | Voice | Research | Video |
| Pricing | Free + $12-$60/mo | Free tier + pay-as-you-go | Free + $12-$42/mo | Free + $24-$65/mo |
| Best for | Indie game devs, illustrators, anyone training custom style models. | Therapy apps, customer service, any voice agent where emotion matters. | Grad students, researchers, anyone doing literature reviews. | Course creators, multilingual marketers, anyone scaling video content. |
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| Kai's verdict | A-tier for creators training custom looks. B-tier for general use. | A-tier in its niche. The only one that actually gets emotion right. | S-tier for academic research. Nothing else comes close for systematic reviews. | S-tier for multilingual video. If you sell courses or speak at events, this is a cheat code. |
| Link | Open → | Open → | Open → | Open → |