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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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S
Sora
A
OpenRouter
S
TaglineAI search done right. Cited answers, not chat theater.OpenAI's video model. Long clips, cinematic quality.One API, every model. Pay-as-you-go, no subscriptions.
CategoryResearchVideoDev Platform
PricingFree + $20/mo ProIncluded with ChatGPT Plus/ProPay per token — model-dependent
Best forReplacing Google for any question where you want a cited answer in seconds.ChatGPT subscribers experimenting with cinematic shots.Developers experimenting across models. Apps that want fallback logic.
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
  • 300+ models from one endpoint
  • Automatic fallbacks between providers
  • No subscription — just pay what you use
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
  • Slight markup over direct API
  • Some provider features not exposed
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 model-shopping. I use this for every prototype before committing.
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