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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
Claude Code
S
Claude Agent SDK
S
Raycast AI
S
TaglineCodeium's agentic IDE. Cascade agent + strong free tier.Anthropic's CLI agent. Opus-powered, operates on your repo directly.Anthropic's SDK for building your own agents on Claude.Mac launcher + AI. Command-bar genius.
Categorycodingcodingagentsproductivity
PricingFree + $15/mo ProPart of Claude Pro/Max/Team plansAPI usage + SDK is freeFree (app) + $10/mo AI
Best forDevelopers who want Cursor-like power for less money.Developers who want an agent, not autocomplete. Large refactors, tests, docs.Developers building custom agents for their own company/product.Power users on Mac who type a lot.
Strengths
  • Cheaper than Cursor
  • Cascade agent for multi-file tasks
  • Solid free tier
  • Runs locally, edits your actual files
  • Strong on large codebases with 1M context
  • Great at multi-step tasks
  • Production-grade agent primitives
  • Built on Claude (best reasoning)
  • Full control — build exactly what you need
  • Invoke AI from anywhere on Mac with a hotkey
  • Choose your model (Claude, GPT, etc.)
  • AI Commands for repeatable workflows
Weaknesses
  • Smaller community
  • Model selection more limited
  • Terminal-based — learning curve
  • Can't be used without Claude subscription
  • Developer-only
  • You build the UI
  • Mac-only
  • Monthly AI sub on top of free app
Kai's verdictA-tier. Close second to Cursor. If $5/mo matters, start here.S-tier if you live in the terminal. Different shape than Cursor — complementary, not replacement.S-tier for builders. The right primitives. What Kai is built on under the hood.S-tier if you're on Mac. The fastest way to get AI answers without context-switching.
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