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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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TaglineAI search done right. Cited answers, not chat theater.OpenAI's video model. Long clips, cinematic quality.The fastest AI inference in the world. Crazy low latency.Autonomous AI agent that actually finishes tasks.
CategoryResearchVideoDev PlatformAgents
PricingFree + $20/mo ProIncluded with ChatGPT Plus/ProFree tier + pay-as-you-go APIFree tier + $39-$199/mo
Best forReplacing Google for any question where you want a cited answer in seconds.ChatGPT subscribers experimenting with cinematic shots.Developers who need sub-100ms LLM responses.People who want to hand off tasks entirely — trip planning, research, spreadsheet building.
Strengths
  • Sources every claim
  • Fast, current answers
  • Pro Search runs multi-step research
  • Spaces for persistent context
  • Up to 20-sec clips at 1080p
  • Strong physics + scene composition
  • Storyboard feature for longer narratives
  • Remix existing videos
  • 500+ tokens/sec on Llama/Mixtral — feels instant
  • Custom LPU hardware
  • Great free tier
  • General-purpose agent — research, book, build, analyze
  • Parallel task execution
  • Web browsing + file creation + coding
Weaknesses
  • Not a general chatbot
  • Answers can be shallow on complex topics
  • Stricter content policy than competitors
  • Hit-or-miss on complex motion
  • Text-in-video still struggles
  • Open-weight models only (no Claude/GPT)
  • Less flexibility on custom configs
  • Still hit-or-miss on complex multi-hour tasks
  • Can burn credits fast
Kai's verdictS-tier for search. I use it before Google now. If you're still Googling everything, try this for a week.A-tier. Amazing when it works, frustrating when it doesn't. Runway still more reliable for pros.S-tier for speed. When latency is the product, start here.S-tier in the agent category. The first one I'd give to a non-technical friend.
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