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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
NotebookLM
S
Ideogram
S
Sora
A
TaglineRun any open-source AI model with an API call.Google's research notebook. Turns your docs into a podcast.The one that actually gets text in images right.OpenAI's video model. Long clips, cinematic quality.
Categorydev platformresearchimagevideo
PricingPay per second of computeFreeFree + $8/mo + $20/mo + $60/moIncluded with ChatGPT Plus/Pro
Best forDevelopers using open-source models (Flux, SDXL, Whisper, etc).Students, researchers, anyone with a stack of PDFs or a topic to learn.Anything with text — posters, ads, album covers, slide decks.ChatGPT subscribers experimenting with cinematic shots.
Strengths
  • Tens of thousands of models (image, video, audio, LLMs)
  • One-line API for any model
  • Cog framework for custom model deploy
  • Upload anything, ask questions, get cited answers
  • Audio Overview turns docs into a 10-min podcast
  • Great for studying
  • Best text rendering in the game
  • Strong free tier
  • Good for logos, posters, thumbnails
  • Up to 20-sec clips at 1080p
  • Strong physics + scene composition
  • Storyboard feature for longer narratives
  • Remix existing videos
Weaknesses
  • Cold starts on less-popular models
  • Pricing gets real at scale
  • Google-only
  • Can be slow on large corpora
  • Aesthetic ceiling below Midjourney
  • Less style variety
  • Stricter content policy than competitors
  • Hit-or-miss on complex motion
  • Text-in-video still struggles
Kai's verdictS-tier for open-source model APIs. The default in this space.S-tier for study. The Audio Overview is a killer feature. Try it with three of your favorite PDFs.S-tier for text-in-image. Use this for posters, Midjourney for art.A-tier. Amazing when it works, frustrating when it doesn't. Runway still more reliable for pros.
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