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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Coding
Image
Productivity
Writing
Marketing
Grok A | Flux (Black Forest Labs) A | HeyGen S | Perplexity S | |
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| Tagline | xAI's chatbot. Real-time X/Twitter data + fewer refusals. | Open weights + strong photorealism. The open-source answer. | AI avatar videos. Record once, speak any language. | AI search done right. Cited answers, not chat theater. |
| Category | Chatbots | Image | Video | Research |
| Pricing | Free + $30/mo SuperGrok + included with X Premium | API + open weights (Schnell is Apache 2.0) | Free + $24-$65/mo | Free + $20/mo Pro |
| Best for | Breaking news, live event tracking, users already on X. | Developers + power users who want control and privacy. | Course creators, multilingual marketers, anyone scaling video content. | Replacing Google for any question where you want a cited answer in seconds. |
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| Kai's verdict | A-tier for real-time. B-tier for everything else. Worth checking when news breaks. | 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. | S-tier for search. I use it before Google now. If you're still Googling everything, try this for a week. |
| Link | Open → | Open → | Open → | Open → |