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 | Hume AI A | GitHub Copilot B | Grok A | |
|---|---|---|---|---|
| Tagline | AI search done right. Cited answers, not chat theater. | Voice AI that reads + expresses emotion. | Microsoft/GitHub's autocomplete. Deep VS Code + JetBrains integration. | xAI's chatbot. Real-time X/Twitter data + fewer refusals. |
| Category | research | voice | coding | chat |
| Pricing | Free + $20/mo Pro | Free tier + pay-as-you-go | Free (limited) + $10/mo Pro + $19/mo Business | Free + $30/mo SuperGrok + included with X Premium |
| Best for | Replacing Google for any question where you want a cited answer in seconds. | Therapy apps, customer service, any voice agent where emotion matters. | Teams with GitHub already. Devs who don't want to change IDEs. | Breaking news, live event tracking, users already on X. |
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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. | A-tier in its niche. The only one that actually gets emotion right. | B-tier. Solid for autocomplete but the category moved past it. Pick Cursor unless you can't. | A-tier for real-time. B-tier for everything else. Worth checking when news breaks. |
| Link | Open → | Open → | Open → | Open → |