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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Taskade B | Perplexity S | Elicit S | Claude Agent SDK S | |
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| Tagline | AI project management with agents for each team. | AI search done right. Cited answers, not chat theater. | AI research assistant for academic literature. | Anthropic's SDK for building your own agents on Claude. |
| Category | Productivity | Research | Research | Agents |
| Pricing | Free + $8-$20/user/mo | Free + $20/mo Pro | Free + $12-$42/mo | API usage + SDK is free |
| Best for | Small teams wanting AI baked into project management. | Replacing Google for any question where you want a cited answer in seconds. | Grad students, researchers, anyone doing literature reviews. | Developers building custom agents for their own company/product. |
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| Kai's verdict | B-tier. Solid product but crowded market. Try it if Notion AI feels too generic. | S-tier for search. I use it before Google now. If you're still Googling everything, try this for a week. | S-tier for academic research. Nothing else comes close for systematic reviews. | S-tier for builders. The right primitives. What Kai is built on under the hood. |
| Link | Open → | Open → | Open → | Open → |