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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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Windsurf
A
Leonardo.ai
A
OpenRouter
S
TaglineCodeium's agentic IDE. Cascade agent + strong free tier.Gamer + creator image gen with model fine-tuning built in.One API, every model. Pay-as-you-go, no subscriptions.
Categorycodingimagedev platform
PricingFree + $15/mo ProFree + $12-$60/moPay per token — model-dependent
Best forDevelopers who want Cursor-like power for less money.Indie game devs, illustrators, anyone training custom style models.Developers experimenting across models. Apps that want fallback logic.
Strengths
  • Cheaper than Cursor
  • Cascade agent for multi-file tasks
  • Solid free tier
  • Train your own models on your style/character
  • Great for game art + concept art
  • Generous free tier
  • 300+ models from one endpoint
  • Automatic fallbacks between providers
  • No subscription — just pay what you use
Weaknesses
  • Smaller community
  • Model selection more limited
  • General output behind Midjourney
  • Can be overwhelming
  • Slight markup over direct API
  • Some provider features not exposed
Kai's verdictA-tier. Close second to Cursor. If $5/mo matters, start here.A-tier for creators training custom looks. B-tier for general use.S-tier for model-shopping. I use this for every prototype before committing.
LinkOpen →Open →Open →