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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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Sora
A
Replicate
S
Ideogram
S
Groq
S
TaglineOpenAI's video model. Long clips, cinematic quality.Run any open-source AI model with an API call.The one that actually gets text in images right.The fastest AI inference in the world. Crazy low latency.
CategoryVideoDev PlatformImageDev Platform
PricingIncluded with ChatGPT Plus/ProPay per second of computeFree + $8/mo + $20/mo + $60/moFree tier + pay-as-you-go API
Best forChatGPT subscribers experimenting with cinematic shots.Developers using open-source models (Flux, SDXL, Whisper, etc).Anything with text — posters, ads, album covers, slide decks.Developers who need sub-100ms LLM responses.
Strengths
  • Up to 20-sec clips at 1080p
  • Strong physics + scene composition
  • Storyboard feature for longer narratives
  • Remix existing videos
  • Tens of thousands of models (image, video, audio, LLMs)
  • One-line API for any model
  • Cog framework for custom model deploy
  • Best text rendering in the game
  • Strong free tier
  • Good for logos, posters, thumbnails
  • 500+ tokens/sec on Llama/Mixtral — feels instant
  • Custom LPU hardware
  • Great free tier
Weaknesses
  • Stricter content policy than competitors
  • Hit-or-miss on complex motion
  • Text-in-video still struggles
  • Cold starts on less-popular models
  • Pricing gets real at scale
  • Aesthetic ceiling below Midjourney
  • Less style variety
  • Open-weight models only (no Claude/GPT)
  • Less flexibility on custom configs
Kai's verdictA-tier. Amazing when it works, frustrating when it doesn't. Runway still more reliable for pros.S-tier for open-source model APIs. The default in this space.S-tier for text-in-image. Use this for posters, Midjourney for art.S-tier for speed. When latency is the product, start here.
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