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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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Chatbots
Research
Coding
Image
Video
Voice
Meetings
Design
Productivity
Audio
Writing
Agents
Dev Platform
Data
Marketing
Education
GitHub Copilot
B
Rows
A
Grammarly
A
Khanmigo
S
TaglineMicrosoft/GitHub's autocomplete. Deep VS Code + JetBrains integration.Spreadsheets with AI + live integrations baked in.Grammar check + tone + AI drafting, everywhere you type.Khan Academy's AI tutor. Socratic method, built for learning.
CategoryCodingDataWritingEducation
PricingFree (limited) + $10/mo Pro + $19/mo BusinessFree + $19-$89/user/moFree + $12-$15/mo Premium + team plans$4/mo (free for teachers)
Best forTeams with GitHub already. Devs who don't want to change IDEs.Ops teams, marketers, anyone building dashboards from multiple sources.Non-native English writers, business email, anyone who types a lot.Students K-12. Parents helping with homework. Teachers prepping lessons.
Strengths
  • Great enterprise story
  • Works in your existing IDE
  • Chat + autocomplete
  • Pull live data from Stripe, Slack, Google Analytics, etc.
  • AI functions inside cells
  • Modern UX
  • Works in every browser/app
  • Now has generative AI (GrammarlyGO)
  • Tone detection + suggestions
  • Socratic — doesn't give answers, asks questions
  • Trusted by schools + parents
  • Integrated with Khan Academy curriculum
Weaknesses
  • Less agentic than Cursor/Claude Code
  • Model quality varies
  • Not a full Excel replacement for heavy users
  • Integrations best on paid tiers
  • Can feel naggy
  • Premium features gate basics
  • Privacy concerns (reads your writing)
  • K-12 focus (not deep for adults)
  • Slower than general chatbots
Kai's verdictB-tier. Solid for autocomplete but the category moved past it. Pick Cursor unless you can't.A-tier. The most interesting spreadsheet in years. Great for ops dashboards.A-tier for non-native English speakers. B-tier if your English is already strong — Claude does better with tone.S-tier for kids learning. The tutoring UX is legit — not a generic chatbot dressed up.
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