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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
Manus
S
Gemini
A
GitHub Copilot
B
TaglineAnthropic's CLI agent. Opus-powered, operates on your repo directly.Autonomous AI agent that actually finishes tasks.Google's answer. Best integrated with Workspace + free for a lot.Microsoft/GitHub's autocomplete. Deep VS Code + JetBrains integration.
Categorycodingagentschatcoding
PricingPart of Claude Pro/Max/Team plansFree tier + $39-$199/moFree + $20/mo Advanced (bundled with 2TB Drive)Free (limited) + $10/mo Pro + $19/mo Business
Best forDevelopers who want an agent, not autocomplete. Large refactors, tests, docs.People who want to hand off tasks entirely — trip planning, research, spreadsheet building.Anyone already on Google, research tasks, summarizing long documents.Teams with GitHub already. Devs who don't want to change IDEs.
Strengths
  • Runs locally, edits your actual files
  • Strong on large codebases with 1M context
  • Great at multi-step tasks
  • General-purpose agent — research, book, build, analyze
  • Parallel task execution
  • Web browsing + file creation + coding
  • Native Google Workspace integration
  • Very long context (1M+)
  • Deep Research feature
  • Free tier is generous
  • Great enterprise story
  • Works in your existing IDE
  • Chat + autocomplete
Weaknesses
  • Terminal-based — learning curve
  • Can't be used without Claude subscription
  • Still hit-or-miss on complex multi-hour tasks
  • Can burn credits fast
  • Writing quality trails Claude
  • Over-refusals on edge content
  • UI is cluttered
  • Less agentic than Cursor/Claude Code
  • Model quality varies
Kai's verdictS-tier if you live in the terminal. Different shape than Cursor — complementary, not replacement.S-tier in the agent category. The first one I'd give to a non-technical friend.A-tier. The Deep Research feature is genuinely useful. Don't sleep on it if you're already paying Google.B-tier. Solid for autocomplete but the category moved past it. Pick Cursor unless you can't.
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