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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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Claude Code
S
OpenRouter
S
Leonardo.ai
A
Windsurf
A
TaglineAnthropic's CLI agent. Opus-powered, operates on your repo directly.One API, every model. Pay-as-you-go, no subscriptions.Gamer + creator image gen with model fine-tuning built in.Codeium's agentic IDE. Cascade agent + strong free tier.
CategoryCodingDev PlatformImageCoding
PricingPart of Claude Pro/Max/Team plansPay per token — model-dependentFree + $12-$60/moFree + $15/mo Pro
Best forDevelopers who want an agent, not autocomplete. Large refactors, tests, docs.Developers experimenting across models. Apps that want fallback logic.Indie game devs, illustrators, anyone training custom style models.Developers who want Cursor-like power for less money.
Strengths
  • Runs locally, edits your actual files
  • Strong on large codebases with 1M context
  • Great at multi-step tasks
  • 300+ models from one endpoint
  • Automatic fallbacks between providers
  • No subscription — just pay what you use
  • Train your own models on your style/character
  • Great for game art + concept art
  • Generous free tier
  • Cheaper than Cursor
  • Cascade agent for multi-file tasks
  • Solid free tier
Weaknesses
  • Terminal-based — learning curve
  • Can't be used without Claude subscription
  • Slight markup over direct API
  • Some provider features not exposed
  • General output behind Midjourney
  • Can be overwhelming
  • Smaller community
  • Model selection more limited
Kai's verdictS-tier if you live in the terminal. Different shape than Cursor — complementary, not replacement.S-tier for model-shopping. I use this for every prototype before committing.A-tier for creators training custom looks. B-tier for general use.A-tier. Close second to Cursor. If $5/mo matters, start here.
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