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)
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Perplexity S | HeyGen S | Hugging Face S | Claude Code S | |
|---|---|---|---|---|
| Tagline | AI search done right. Cited answers, not chat theater. | AI avatar videos. Record once, speak any language. | The GitHub of AI. Models, datasets, spaces — all in one. | Anthropic's CLI agent. Opus-powered, operates on your repo directly. |
| Category | research | video | dev platform | coding |
| Pricing | Free + $20/mo Pro | Free + $24-$65/mo | Free + $9-$20/mo + enterprise | Part of Claude Pro/Max/Team plans |
| Best for | Replacing Google for any question where you want a cited answer in seconds. | Course creators, multilingual marketers, anyone scaling video content. | Any ML/AI developer. Hobbyists exploring open models. | Developers who want an agent, not autocomplete. Large refactors, tests, docs. |
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| Kai's verdict | S-tier for search. I use it before Google now. If you're still Googling everything, try this for a week. | S-tier for multilingual video. If you sell courses or speak at events, this is a cheat code. | S-tier infrastructure. The one platform every AI dev eventually uses. | S-tier if you live in the terminal. Different shape than Cursor — complementary, not replacement. |
| Link | Open → | Open → | Open → | Open → |