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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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Replicate
S
Recraft
S
ChatGPT Operator
B
Runway
S
TaglineRun any open-source AI model with an API call.Vector + raster AI for designers. Actually controls the output.OpenAI's browser agent. Clicks and types on websites for you.The pro's AI video tool. Gen-4 is the current bar.
CategoryDev PlatformImageAgentsVideo
PricingPay per second of computeFree + $12-$48/moIncluded with ChatGPT Pro $200/moFree + $15-$95/mo
Best forDevelopers using open-source models (Flux, SDXL, Whisper, etc).Designers, brand teams, anyone needing vector output or tight style control.Power users willing to pay $200/mo for a browser bot.Marketing video, pitch decks, b-roll, creative shorts.
Strengths
  • Tens of thousands of models (image, video, audio, LLMs)
  • One-line API for any model
  • Cog framework for custom model deploy
  • Exports SVG vectors — rare in AI image gen
  • Strong style control + consistency
  • Brand kit for consistent outputs
  • Actually uses websites — fills forms, clicks, checks out
  • Built into ChatGPT
  • Good for repetitive web tasks
  • Most mature video workflow
  • Character consistency via Act-One
  • Gen-4 quality is production-grade
Weaknesses
  • Cold starts on less-popular models
  • Pricing gets real at scale
  • Less hyped than Midjourney
  • Learning curve for non-designers
  • Slow vs doing it yourself
  • Breaks on complex auth flows
  • $200/mo gate
  • Expensive at scale
  • Still needs post-editing
Kai's verdictS-tier for open-source model APIs. The default in this space.S-tier for designers. The only one that takes vectors seriously.B-tier. Still early. Manus is more flexible for less money.S-tier. Market leader with reason. Start here for serious video.
LinkOpen →Open →Open →Open →