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 (2 selected)
coding
image
productivity
writing
marketing
Flux (Black Forest Labs) A | HeyGen S | |
|---|---|---|
| Tagline | Open weights + strong photorealism. The open-source answer. | AI avatar videos. Record once, speak any language. |
| Category | image | video |
| Pricing | API + open weights (Schnell is Apache 2.0) | Free + $24-$65/mo |
| Best for | Developers + power users who want control and privacy. | Course creators, multilingual marketers, anyone scaling video content. |
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| Kai's verdict | A-tier. S-tier if you self-host. The reason open-source image gen matters. | S-tier for multilingual video. If you sell courses or speak at events, this is a cheat code. |
| Link | Open → | Open → |