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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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GitHub Copilot
B
Perplexity
S
DALL-E 3
B
Aider
A
TaglineMicrosoft/GitHub's autocomplete. Deep VS Code + JetBrains integration.AI search done right. Cited answers, not chat theater.OpenAI's image model. Built into ChatGPT Plus.Terminal-based AI pair programmer. Git-aware, model-flexible.
Categorycodingresearchimagecoding
PricingFree (limited) + $10/mo Pro + $19/mo BusinessFree + $20/mo ProIncluded with ChatGPT Plus $20/moFree (open source) + whatever API you use
Best forTeams with GitHub already. Devs who don't want to change IDEs.Replacing Google for any question where you want a cited answer in seconds.ChatGPT Plus users who want images without paying extra.Developers who want open-source tooling with full control.
Strengths
  • Great enterprise story
  • Works in your existing IDE
  • Chat + autocomplete
  • Sources every claim
  • Fast, current answers
  • Pro Search runs multi-step research
  • Spaces for persistent context
  • Excellent prompt understanding
  • Built into ChatGPT — no extra subscription
  • Good at composition + concepts
  • Works in any terminal
  • Auto-commits changes with meaningful messages
  • Works with any model (Claude, GPT, local)
  • Minimal learning curve
Weaknesses
  • Less agentic than Cursor/Claude Code
  • Model quality varies
  • Not a general chatbot
  • Answers can be shallow on complex topics
  • Aesthetic ceiling below Midjourney + Ideogram
  • Text rendering worse than Ideogram
  • No fine control
  • Terminal-only
  • Less agentic than Claude Code
  • Setup on Windows is fiddly
Kai's verdictB-tier. Solid for autocomplete but the category moved past it. Pick Cursor unless you can't.S-tier for search. I use it before Google now. If you're still Googling everything, try this for a week.B-tier standalone, A-tier value if you already pay ChatGPT. Don't pay for it separately.A-tier. The right answer if you want open-source + terminal-native + model-agnostic.
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