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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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Cline
A
GitHub Copilot
B
Galileo AI
B
Perplexity
S
TaglineOpen-source VS Code agent. Reads + writes + runs.Microsoft/GitHub's autocomplete. Deep VS Code + JetBrains integration.Prompt to UI design. Figma-ready outputs.AI search done right. Cited answers, not chat theater.
Categorycodingcodingdesignresearch
PricingFree (open source) + your API costsFree (limited) + $10/mo Pro + $19/mo BusinessFree trial + paid plansFree + $20/mo Pro
Best forVS Code users who want agentic coding without changing IDEs.Teams with GitHub already. Devs who don't want to change IDEs.Designers brainstorming first drafts.Replacing Google for any question where you want a cited answer in seconds.
Strengths
  • Free extension for VS Code
  • Plan + Act modes
  • Model-agnostic (Claude, GPT, local)
  • Sees terminal output and iterates
  • Great enterprise story
  • Works in your existing IDE
  • Chat + autocomplete
  • Prompt-to-UI with real layouts
  • Exports to Figma
  • Faster than hand-designing from scratch
  • Sources every claim
  • Fast, current answers
  • Pro Search runs multi-step research
  • Spaces for persistent context
Weaknesses
  • Can burn tokens fast if not watched
  • Less polished than Cursor
  • Less agentic than Cursor/Claude Code
  • Model quality varies
  • Output needs designer polish
  • Pricing unclear / changes often
  • Not a general chatbot
  • Answers can be shallow on complex topics
Kai's verdictA-tier. Best free agentic option in VS Code. Use with Claude for best results.B-tier. Solid for autocomplete but the category moved past it. Pick Cursor unless you can't.B-tier. Useful for first drafts. v0 is the better bet for shipping code.S-tier for search. I use it before Google now. If you're still Googling everything, try this for a week.
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