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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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Flux (Black Forest Labs)
A
Perplexity
S
Sora
A
TaglineOpen weights + strong photorealism. The open-source answer.AI search done right. Cited answers, not chat theater.OpenAI's video model. Long clips, cinematic quality.
CategoryImageResearchVideo
PricingAPI + open weights (Schnell is Apache 2.0)Free + $20/mo ProIncluded with ChatGPT Plus/Pro
Best forDevelopers + power users who want control and privacy.Replacing Google for any question where you want a cited answer in seconds.ChatGPT subscribers experimenting with cinematic shots.
Strengths
  • Runs locally on a beefy GPU
  • Very photoreal
  • Best open-weight model
  • 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
Weaknesses
  • Harder to use than hosted tools
  • Needs infra
  • 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
Kai's verdictA-tier. S-tier if you self-host. The reason open-source image gen matters.S-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.
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