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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Devin A | Lex A | HeyGen S | Ollama S | |
|---|---|---|---|---|
| Tagline | Cognition Labs' autonomous coding engineer. | Google Docs with an AI collaborator baked in. | AI avatar videos. Record once, speak any language. | Run LLMs locally. One-line install, GUI optional. |
| Category | Agents | Writing | Video | Dev Platform |
| Pricing | $500/mo | Free + $12/mo | Free + $24-$65/mo | Free + open source |
| Best for | Engineering teams offloading tickets. Ops/platform work. | Essays, long-form drafts, thinking on the page. | Course creators, multilingual marketers, anyone scaling video content. | Devs wanting offline/local LLMs for privacy or experimentation. |
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| Kai's verdict | A-tier for the right use case. Not for solo devs. If you manage engineers, try one license. | A-tier. Beautiful UX. The writing app I'd pick if I only wrote long-form. | S-tier for multilingual video. If you sell courses or speak at events, this is a cheat code. | S-tier for local inference. If you care about privacy or want to tinker, install this today. |
| Link | Open → | Open → | Open → | Open → |