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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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Gemini
A
Claude Code
S
Elicit
S
Hume AI
A
TaglineGoogle's answer. Best integrated with Workspace + free for a lot.Anthropic's CLI agent. Opus-powered, operates on your repo directly.AI research assistant for academic literature.Voice AI that reads + expresses emotion.
CategoryChatbotsCodingResearchVoice
PricingFree + $20/mo Advanced (bundled with 2TB Drive)Part of Claude Pro/Max/Team plansFree + $12-$42/moFree tier + pay-as-you-go
Best forAnyone already on Google, research tasks, summarizing long documents.Developers who want an agent, not autocomplete. Large refactors, tests, docs.Grad students, researchers, anyone doing literature reviews.Therapy apps, customer service, any voice agent where emotion matters.
Strengths
  • Native Google Workspace integration
  • Very long context (1M+)
  • Deep Research feature
  • Free tier is generous
  • Runs locally, edits your actual files
  • Strong on large codebases with 1M context
  • Great at multi-step tasks
  • Searches 125M+ papers
  • Extracts + synthesizes findings across papers
  • Systematic review workflow
  • Detects + mirrors emotional tone
  • EVI (Empathic Voice Interface) feels different
  • Expressive voice output
Weaknesses
  • Writing quality trails Claude
  • Over-refusals on edge content
  • UI is cluttered
  • Terminal-based — learning curve
  • Can't be used without Claude subscription
  • Academic-only
  • Can hallucinate citations — verify everything
  • Niche use case
  • Pricing ramps fast
Kai's verdictA-tier. The Deep Research feature is genuinely useful. Don't sleep on it if you're already paying Google.S-tier if you live in the terminal. Different shape than Cursor — complementary, not replacement.S-tier for academic research. Nothing else comes close for systematic reviews.A-tier in its niche. The only one that actually gets emotion right.
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