Compare AI tools

	Perplexity S	Cursor S	Taskade B	Claude Agent SDK S
Tagline	AI search done right. Cited answers, not chat theater.	VS Code fork that made AI coding actually work.	AI project management with agents for each team.	Anthropic's SDK for building your own agents on Claude.
Category	Research	Coding	Productivity	Agents
Pricing	Free + $20/mo Pro	Free + $20/mo Pro + $40/mo Business	Free + $8-$20/user/mo	API usage + SDK is free
Best for	Replacing Google for any question where you want a cited answer in seconds.	Developers. Non-developers who want to ship working code.	Small teams wanting AI baked into project management.	Developers building custom agents for their own company/product.
Strengths	Sources every claim Fast, current answers Pro Search runs multi-step research Spaces for persistent context	Tab completion feels like mind-reading Composer for multi-file edits Runs Claude, GPT, Gemini — you pick	Custom AI agents per project Doc + tasks + kanban in one Affordable for teams	Production-grade agent primitives Built on Claude (best reasoning) Full control — build exactly what you need
Weaknesses	Not a general chatbot Answers can be shallow on complex topics	Can feel overwhelming for non-coders Expensive at scale	Feature sprawl AI agents need tuning to be useful	Developer-only You build the UI
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 coding. If you write code of any kind, this pays back the $20 in a day.	B-tier. Solid product but crowded market. Try it if Notion AI feels too generic.	S-tier for builders. The right primitives. What Kai is built on under the hood.
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