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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
Kling
A
Groq
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Sora
A
TaglineThe one that actually gets text in images right.Kuaishou's video model. The surprise standout.The fastest AI inference in the world. Crazy low latency.OpenAI's video model. Long clips, cinematic quality.
CategoryImageVideoDev PlatformVideo
PricingFree + $8/mo + $20/mo + $60/moCredit-based, free trialFree tier + pay-as-you-go APIIncluded with ChatGPT Plus/Pro
Best forAnything with text — posters, ads, album covers, slide decks.Anyone who wants top-tier video quality for less.Developers who need sub-100ms LLM responses.ChatGPT subscribers experimenting with cinematic shots.
Strengths
  • 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
  • 500+ tokens/sec on Llama/Mixtral — feels instant
  • Custom LPU hardware
  • Great free tier
  • Up to 20-sec clips at 1080p
  • Strong physics + scene composition
  • Storyboard feature for longer narratives
  • Remix existing videos
Weaknesses
  • Aesthetic ceiling below Midjourney
  • Less style variety
  • UX is rough for English speakers
  • Queue times
  • Open-weight models only (no Claude/GPT)
  • Less flexibility on custom configs
  • Stricter content policy than competitors
  • Hit-or-miss on complex motion
  • Text-in-video still struggles
Kai's verdictS-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.S-tier for speed. When latency is the product, start here.A-tier. Amazing when it works, frustrating when it doesn't. Runway still more reliable for pros.
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