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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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OpenRouter
S
Replicate
S
Ideogram
S
TaglineOne API, every model. Pay-as-you-go, no subscriptions.Run any open-source AI model with an API call.The one that actually gets text in images right.
Categorydev platformdev platformimage
PricingPay per token — model-dependentPay per second of computeFree + $8/mo + $20/mo + $60/mo
Best forDevelopers experimenting across models. Apps that want fallback logic.Developers using open-source models (Flux, SDXL, Whisper, etc).Anything with text — posters, ads, album covers, slide decks.
Strengths
  • 300+ models from one endpoint
  • Automatic fallbacks between providers
  • No subscription — just pay what you use
  • Tens of thousands of models (image, video, audio, LLMs)
  • One-line API for any model
  • Cog framework for custom model deploy
  • Best text rendering in the game
  • Strong free tier
  • Good for logos, posters, thumbnails
Weaknesses
  • Slight markup over direct API
  • Some provider features not exposed
  • Cold starts on less-popular models
  • Pricing gets real at scale
  • Aesthetic ceiling below Midjourney
  • Less style variety
Kai's verdictS-tier for model-shopping. I use this for every prototype before committing.S-tier for open-source model APIs. The default in this space.S-tier for text-in-image. Use this for posters, Midjourney for art.
LinkOpen →Open →Open →