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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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Gemini
A
Sora
A
HeyGen
S
Replicate
S
TaglineGoogle's answer. Best integrated with Workspace + free for a lot.OpenAI's video model. Long clips, cinematic quality.AI avatar videos. Record once, speak any language.Run any open-source AI model with an API call.
Categorychatvideovideodev platform
PricingFree + $20/mo Advanced (bundled with 2TB Drive)Included with ChatGPT Plus/ProFree + $24-$65/moPay per second of compute
Best forAnyone already on Google, research tasks, summarizing long documents.ChatGPT subscribers experimenting with cinematic shots.Course creators, multilingual marketers, anyone scaling video content.Developers using open-source models (Flux, SDXL, Whisper, etc).
Strengths
  • Native Google Workspace integration
  • Very long context (1M+)
  • Deep Research feature
  • Free tier is generous
  • Up to 20-sec clips at 1080p
  • Strong physics + scene composition
  • Storyboard feature for longer narratives
  • Remix existing videos
  • Clone your face + voice in 2 minutes
  • Instant translation into 40+ languages with lip sync
  • Avatars look less uncanny than competitors
  • Tens of thousands of models (image, video, audio, LLMs)
  • One-line API for any model
  • Cog framework for custom model deploy
Weaknesses
  • Writing quality trails Claude
  • Over-refusals on edge content
  • UI is cluttered
  • Stricter content policy than competitors
  • Hit-or-miss on complex motion
  • Text-in-video still struggles
  • Pricey for serious volume
  • Long shots still feel off
  • Ethics — easy to misuse
  • Cold starts on less-popular models
  • Pricing gets real at scale
Kai's verdictA-tier. The Deep Research feature is genuinely useful. Don't sleep on it if you're already paying Google.A-tier. Amazing when it works, frustrating when it doesn't. Runway still more reliable for pros.S-tier for multilingual video. If you sell courses or speak at events, this is a cheat code.S-tier for open-source model APIs. The default in this space.
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