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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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Perplexity S | HeyGen S | Descript S | Le Chat (Mistral) B | |
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| Tagline | AI search done right. Cited answers, not chat theater. | AI avatar videos. Record once, speak any language. | Edit video + podcasts by editing the transcript. | French alternative. Fast, European, privacy-focused. |
| Category | Research | Video | Video | Chatbots |
| Pricing | Free + $20/mo Pro | Free + $24-$65/mo | Free + $16-$50/mo | Free + $15/mo Pro |
| Best for | Replacing Google for any question where you want a cited answer in seconds. | Course creators, multilingual marketers, anyone scaling video content. | Podcasters, course creators, anyone editing talking-head content. | European users with data residency needs. Fans of open-weight models. |
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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 for content creators. Cuts editing time in half. Non-obvious but life-changing. | B-tier overall, A-tier if GDPR/data residency matters. Solid backup option. |
| Link | Open → | Open → | Open → | Open → |