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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Perplexity S | Cline A | Hex A | Replicate S | |
|---|---|---|---|---|
| Tagline | AI search done right. Cited answers, not chat theater. | Open-source VS Code agent. Reads + writes + runs. | Modern data notebook with Magic AI assistant. | Run any open-source AI model with an API call. |
| Category | Research | Coding | Data | Dev Platform |
| Pricing | Free + $20/mo Pro | Free (open source) + your API costs | Free + $28+/user/mo | Pay per second of compute |
| Best for | Replacing Google for any question where you want a cited answer in seconds. | VS Code users who want agentic coding without changing IDEs. | Data teams at startups + enterprises. | Developers using open-source models (Flux, SDXL, Whisper, etc). |
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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. Best free agentic option in VS Code. Use with Claude for best results. | A-tier for data teams. S-tier if you already live in SQL + Python. | S-tier for open-source model APIs. The default in this space. |
| Link | Open → | Open → | Open → | Open → |