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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
Flux (Black Forest Labs)
A
ChatGPT Operator
B
Recraft
S
TaglineRun any open-source AI model with an API call.Open weights + strong photorealism. The open-source answer.OpenAI's browser agent. Clicks and types on websites for you.Vector + raster AI for designers. Actually controls the output.
CategoryDev PlatformImageAgentsImage
PricingPay per second of computeAPI + open weights (Schnell is Apache 2.0)Included with ChatGPT Pro $200/moFree + $12-$48/mo
Best forDevelopers using open-source models (Flux, SDXL, Whisper, etc).Developers + power users who want control and privacy.Power users willing to pay $200/mo for a browser bot.Designers, brand teams, anyone needing vector output or tight style control.
Strengths
  • Tens of thousands of models (image, video, audio, LLMs)
  • One-line API for any model
  • Cog framework for custom model deploy
  • Runs locally on a beefy GPU
  • Very photoreal
  • Best open-weight model
  • Actually uses websites — fills forms, clicks, checks out
  • Built into ChatGPT
  • Good for repetitive web tasks
  • Exports SVG vectors — rare in AI image gen
  • Strong style control + consistency
  • Brand kit for consistent outputs
Weaknesses
  • Cold starts on less-popular models
  • Pricing gets real at scale
  • Harder to use than hosted tools
  • Needs infra
  • Slow vs doing it yourself
  • Breaks on complex auth flows
  • $200/mo gate
  • Less hyped than Midjourney
  • Learning curve for non-designers
Kai's verdictS-tier for open-source model APIs. The default in this space.A-tier. S-tier if you self-host. The reason open-source image gen matters.B-tier. Still early. Manus is more flexible for less money.S-tier for designers. The only one that takes vectors seriously.
LinkOpen →Open →Open →Open →