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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Dev Platform
Coding
Image
Productivity
Writing
Marketing
Leonardo.ai A | HeyGen S | Google Veo A | Hume AI A | |
|---|---|---|---|---|
| Tagline | Gamer + creator image gen with model fine-tuning built in. | AI avatar videos. Record once, speak any language. | Google's video model. Baked into Gemini + YouTube Shorts. | Voice AI that reads + expresses emotion. |
| Category | Image | Video | Video | Voice |
| Pricing | Free + $12-$60/mo | Free + $24-$65/mo | Included with Gemini Advanced $20/mo + YouTube creator tools | Free tier + pay-as-you-go |
| Best for | Indie game devs, illustrators, anyone training custom style models. | Course creators, multilingual marketers, anyone scaling video content. | Gemini Advanced users, YouTube Shorts creators. | Therapy apps, customer service, any voice agent where emotion matters. |
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| Kai's verdict | A-tier for creators training custom looks. B-tier for general use. | S-tier for multilingual video. If you sell courses or speak at events, this is a cheat code. | A-tier if you already pay Gemini. B-tier standalone. | A-tier in its niche. The only one that actually gets emotion right. |
| Link | Open → | Open → | Open → | Open → |