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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
Cline
A
OpenRouter
S
Ollama
S
TaglineAnthropic's CLI agent. Opus-powered, operates on your repo directly.Open-source VS Code agent. Reads + writes + runs.One API, every model. Pay-as-you-go, no subscriptions.Run LLMs locally. One-line install, GUI optional.
CategoryCodingCodingDev PlatformDev Platform
PricingPart of Claude Pro/Max/Team plansFree (open source) + your API costsPay per token — model-dependentFree + open source
Best forDevelopers who want an agent, not autocomplete. Large refactors, tests, docs.VS Code users who want agentic coding without changing IDEs.Developers experimenting across models. Apps that want fallback logic.Devs wanting offline/local LLMs for privacy or experimentation.
Strengths
  • Runs locally, edits your actual files
  • Strong on large codebases with 1M context
  • Great at multi-step tasks
  • Free extension for VS Code
  • Plan + Act modes
  • Model-agnostic (Claude, GPT, local)
  • Sees terminal output and iterates
  • 300+ models from one endpoint
  • Automatic fallbacks between providers
  • No subscription — just pay what you use
  • Run Llama, Mistral, Qwen, etc. on your laptop
  • Simple CLI + API
  • Hardware-aware (picks the right quant)
Weaknesses
  • Terminal-based — learning curve
  • Can't be used without Claude subscription
  • Can burn tokens fast if not watched
  • Less polished than Cursor
  • Slight markup over direct API
  • Some provider features not exposed
  • Needs beefy laptop for larger models
  • Speed way behind cloud APIs
Kai's verdictS-tier if you live in the terminal. Different shape than Cursor — complementary, not replacement.A-tier. Best free agentic option in VS Code. Use with Claude for best results.S-tier for model-shopping. I use this for every prototype before committing.S-tier for local inference. If you care about privacy or want to tinker, install this today.
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