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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
Research
Coding
Image
Video
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Meetings
Design
Productivity
Audio
Writing
Agents
Dev Platform
Data
Marketing
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Perplexity
S
Claude Agent SDK
S
Ideogram
S
Kling
A
TaglineAI search done right. Cited answers, not chat theater.Anthropic's SDK for building your own agents on Claude.The one that actually gets text in images right.Kuaishou's video model. The surprise standout.
CategoryResearchAgentsImageVideo
PricingFree + $20/mo ProAPI usage + SDK is freeFree + $8/mo + $20/mo + $60/moCredit-based, free trial
Best forReplacing Google for any question where you want a cited answer in seconds.Developers building custom agents for their own company/product.Anything with text — posters, ads, album covers, slide decks.Anyone who wants top-tier video quality for less.
Strengths
  • Sources every claim
  • Fast, current answers
  • Pro Search runs multi-step research
  • Spaces for persistent context
  • Production-grade agent primitives
  • Built on Claude (best reasoning)
  • Full control — build exactly what you need
  • Best text rendering in the game
  • Strong free tier
  • Good for logos, posters, thumbnails
  • Very strong motion + physics
  • Often beats Runway on realism
  • Great price
Weaknesses
  • Not a general chatbot
  • Answers can be shallow on complex topics
  • Developer-only
  • You build the UI
  • Aesthetic ceiling below Midjourney
  • Less style variety
  • UX is rough for English speakers
  • Queue times
Kai's verdictS-tier for search. I use it before Google now. If you're still Googling everything, try this for a week.S-tier for builders. The right primitives. What Kai is built on under the hood.S-tier for text-in-image. Use this for posters, Midjourney for art.A-tier. Rising fast. If you can tolerate the UX, quality per dollar is best-in-class.
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