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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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Chatbots
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Productivity
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Agents
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Data
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Taskade
B
Kling
A
Claude Agent SDK
S
Perplexity
S
TaglineAI project management with agents for each team.Kuaishou's video model. The surprise standout.Anthropic's SDK for building your own agents on Claude.AI search done right. Cited answers, not chat theater.
CategoryProductivityVideoAgentsResearch
PricingFree + $8-$20/user/moCredit-based, free trialAPI usage + SDK is freeFree + $20/mo Pro
Best forSmall teams wanting AI baked into project management.Anyone who wants top-tier video quality for less.Developers building custom agents for their own company/product.Replacing Google for any question where you want a cited answer in seconds.
Strengths
  • Custom AI agents per project
  • Doc + tasks + kanban in one
  • Affordable for teams
  • Very strong motion + physics
  • Often beats Runway on realism
  • Great price
  • Production-grade agent primitives
  • Built on Claude (best reasoning)
  • Full control — build exactly what you need
  • Sources every claim
  • Fast, current answers
  • Pro Search runs multi-step research
  • Spaces for persistent context
Weaknesses
  • Feature sprawl
  • AI agents need tuning to be useful
  • UX is rough for English speakers
  • Queue times
  • Developer-only
  • You build the UI
  • Not a general chatbot
  • Answers can be shallow on complex topics
Kai's verdictB-tier. Solid product but crowded market. Try it if Notion AI feels too generic.A-tier. Rising fast. If you can tolerate the UX, quality per dollar is best-in-class.S-tier for builders. The right primitives. What Kai is built on under the hood.S-tier for search. I use it before Google now. If you're still Googling everything, try this for a week.
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