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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
OpenRouter
S
Recraft
S
Le Chat (Mistral)
B
TaglineRun any open-source AI model with an API call.One API, every model. Pay-as-you-go, no subscriptions.Vector + raster AI for designers. Actually controls the output.French alternative. Fast, European, privacy-focused.
CategoryDev PlatformDev PlatformImageChatbots
PricingPay per second of computePay per token — model-dependentFree + $12-$48/moFree + $15/mo Pro
Best forDevelopers using open-source models (Flux, SDXL, Whisper, etc).Developers experimenting across models. Apps that want fallback logic.Designers, brand teams, anyone needing vector output or tight style control.European users with data residency needs. Fans of open-weight models.
Strengths
  • Tens of thousands of models (image, video, audio, LLMs)
  • One-line API for any model
  • Cog framework for custom model deploy
  • 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
  • European data residency
  • Very fast responses
  • Open-weight Mistral models available
  • Good French/European languages
Weaknesses
  • Cold starts on less-popular models
  • Pricing gets real at scale
  • Slight markup over direct API
  • Some provider features not exposed
  • Less hyped than Midjourney
  • Learning curve for non-designers
  • Smaller capability gap vs frontier models
  • Less polished UX
Kai's verdictS-tier for open-source model APIs. The default in this space.S-tier for model-shopping. I use this for every prototype before committing.S-tier for designers. The only one that takes vectors seriously.B-tier overall, A-tier if GDPR/data residency matters. Solid backup option.
LinkOpen →Open →Open →Open →