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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
Cline
A
OpenRouter
S
Recraft
S
TaglineRun any open-source AI model with an API call.Open-source VS Code agent. Reads + writes + runs.One API, every model. Pay-as-you-go, no subscriptions.Vector + raster AI for designers. Actually controls the output.
CategoryDev PlatformCodingDev PlatformImage
PricingPay per second of computeFree (open source) + your API costsPay per token — model-dependentFree + $12-$48/mo
Best forDevelopers using open-source models (Flux, SDXL, Whisper, etc).VS Code users who want agentic coding without changing IDEs.Developers experimenting across models. Apps that want fallback logic.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
  • Free extension for VS Code
  • Plan + Act modes
  • Model-agnostic (Claude, GPT, local)
  • Sees terminal output and iterates
  • 300+ models from one endpoint
  • Automatic fallbacks between providers
  • No subscription — just pay what you use
  • 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
  • Can burn tokens fast if not watched
  • Less polished than Cursor
  • Slight markup over direct API
  • Some provider features not exposed
  • 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. Best free agentic option in VS Code. Use with Claude for best results.S-tier for model-shopping. I use this for every prototype before committing.S-tier for designers. The only one that takes vectors seriously.
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