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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
Manus
S
DeepSeek
S
TaglineMicrosoft/GitHub's autocomplete. Deep VS Code + JetBrains integration.Autonomous AI agent that actually finishes tasks.Chinese open-weight powerhouse. Crazy cheap, genuinely smart.
Categorycodingagentschat
PricingFree (limited) + $10/mo Pro + $19/mo BusinessFree tier + $39-$199/moFree web + ultra-cheap API (~$0.14/M input tokens)
Best forTeams with GitHub already. Devs who don't want to change IDEs.People who want to hand off tasks entirely — trip planning, research, spreadsheet building.Developers + cost-conscious builders. Anyone fine with self-hosting.
Strengths
  • Great enterprise story
  • Works in your existing IDE
  • Chat + autocomplete
  • General-purpose agent — research, book, build, analyze
  • Parallel task execution
  • Web browsing + file creation + coding
  • Open weights you can self-host
  • Strong reasoning + math
  • Near-free API pricing
  • DeepSeek-V3 / R1 are serious models
Weaknesses
  • Less agentic than Cursor/Claude Code
  • Model quality varies
  • Still hit-or-miss on complex multi-hour tasks
  • Can burn credits fast
  • Data goes to servers in China — privacy concerns for business use
  • Chinese policy filters
  • English polish trails Western models
Kai's verdictB-tier. Solid for autocomplete but the category moved past it. Pick Cursor unless you can't.S-tier in the agent category. The first one I'd give to a non-technical friend.S-tier for price/performance. A-tier for consumer use. If you build apps, this is the budget pick.
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