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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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Manus
S
GitHub Copilot
B
DALL-E 3
B
Gemini
A
TaglineAutonomous AI agent that actually finishes tasks.Microsoft/GitHub's autocomplete. Deep VS Code + JetBrains integration.OpenAI's image model. Built into ChatGPT Plus.Google's answer. Best integrated with Workspace + free for a lot.
Categoryagentscodingimagechat
PricingFree tier + $39-$199/moFree (limited) + $10/mo Pro + $19/mo BusinessIncluded with ChatGPT Plus $20/moFree + $20/mo Advanced (bundled with 2TB Drive)
Best forPeople who want to hand off tasks entirely — trip planning, research, spreadsheet building.Teams with GitHub already. Devs who don't want to change IDEs.ChatGPT Plus users who want images without paying extra.Anyone already on Google, research tasks, summarizing long documents.
Strengths
  • General-purpose agent — research, book, build, analyze
  • Parallel task execution
  • Web browsing + file creation + coding
  • Great enterprise story
  • Works in your existing IDE
  • Chat + autocomplete
  • Excellent prompt understanding
  • Built into ChatGPT — no extra subscription
  • Good at composition + concepts
  • Native Google Workspace integration
  • Very long context (1M+)
  • Deep Research feature
  • Free tier is generous
Weaknesses
  • Still hit-or-miss on complex multi-hour tasks
  • Can burn credits fast
  • Less agentic than Cursor/Claude Code
  • Model quality varies
  • Aesthetic ceiling below Midjourney + Ideogram
  • Text rendering worse than Ideogram
  • No fine control
  • Writing quality trails Claude
  • Over-refusals on edge content
  • UI is cluttered
Kai's verdictS-tier in the agent category. The first one I'd give to a non-technical friend.B-tier. Solid for autocomplete but the category moved past it. Pick Cursor unless you can't.B-tier standalone, A-tier value if you already pay ChatGPT. Don't pay for it separately.A-tier. The Deep Research feature is genuinely useful. Don't sleep on it if you're already paying Google.
LinkOpen →Open →Open →Open →