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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
Grok
A
Claude Code
S
TaglineOne API, every model. Pay-as-you-go, no subscriptions.xAI's chatbot. Real-time X/Twitter data + fewer refusals.Anthropic's CLI agent. Opus-powered, operates on your repo directly.
CategoryDev PlatformChatbotsCoding
PricingPay per token — model-dependentFree + $30/mo SuperGrok + included with X PremiumPart of Claude Pro/Max/Team plans
Best forDevelopers experimenting across models. Apps that want fallback logic.Breaking news, live event tracking, users already on X.Developers who want an agent, not autocomplete. Large refactors, tests, docs.
Strengths
  • 300+ models from one endpoint
  • Automatic fallbacks between providers
  • No subscription — just pay what you use
  • Live access to X posts for real-time events
  • Less restrictive on edgy questions
  • Fast inference on Grok-3 and up
  • Runs locally, edits your actual files
  • Strong on large codebases with 1M context
  • Great at multi-step tasks
Weaknesses
  • Slight markup over direct API
  • Some provider features not exposed
  • Writing quality trails Claude/ChatGPT
  • Political bias debates
  • Ecosystem is just X
  • Terminal-based — learning curve
  • Can't be used without Claude subscription
Kai's verdictS-tier for model-shopping. I use this for every prototype before committing.A-tier for real-time. B-tier for everything else. Worth checking when news breaks.S-tier if you live in the terminal. Different shape than Cursor — complementary, not replacement.
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