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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
ChatGPT Operator
B
Pika
A
Sora
A
TaglineRun any open-source AI model with an API call.OpenAI's browser agent. Clicks and types on websites for you.The playful, accessible AI video tool.OpenAI's video model. Long clips, cinematic quality.
CategoryDev PlatformAgentsVideoVideo
PricingPay per second of computeIncluded with ChatGPT Pro $200/moFree + $8-$58/moIncluded with ChatGPT Plus/Pro
Best forDevelopers using open-source models (Flux, SDXL, Whisper, etc).Power users willing to pay $200/mo for a browser bot.Social media creators, beginners, anyone wanting quick fun clips.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
  • Actually uses websites — fills forms, clicks, checks out
  • Built into ChatGPT
  • Good for repetitive web tasks
  • Ingredients feature — combine people, objects, scenes
  • Lip sync + sound effects
  • Fun, approachable UX
  • 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
  • Slow vs doing it yourself
  • Breaks on complex auth flows
  • $200/mo gate
  • Lower fidelity than Runway/Kling
  • Still rough on complex scenes
  • 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.B-tier. Still early. Manus is more flexible for less money.A-tier for social/casual. B-tier for serious work. Good entry point.A-tier. Amazing when it works, frustrating when it doesn't. Runway still more reliable for pros.
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