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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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Dev Platform
Agents
Voice
Video
Audio
Research
Coding
Chatbots
Image
Meetings
Design
Productivity
Writing
Data
Marketing
Education
Leonardo.ai
A
Rows
A
Grammarly
A
Fireflies
A
TaglineGamer + creator image gen with model fine-tuning built in.Spreadsheets with AI + live integrations baked in.Grammar check + tone + AI drafting, everywhere you type.Sales-focused meeting AI with CRM integration.
CategoryImageDataWritingMeetings
PricingFree + $12-$60/moFree + $19-$89/user/moFree + $12-$15/mo Premium + team plansFree + $10-$19/user/mo
Best forIndie game devs, illustrators, anyone training custom style models.Ops teams, marketers, anyone building dashboards from multiple sources.Non-native English writers, business email, anyone who types a lot.Sales teams, customer success, anyone running many discovery calls.
Strengths
  • Train your own models on your style/character
  • Great for game art + concept art
  • Generous free tier
  • 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
  • Good CRM integrations (Salesforce, HubSpot)
  • Talk-time + sentiment analytics
  • Call scoring
Weaknesses
  • General output behind Midjourney
  • Can be overwhelming
  • 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)
  • Bot-joins (intrusive)
  • Gets expensive at team scale
Kai's verdictA-tier for creators training custom looks. B-tier for general use.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.A-tier for sales teams. B-tier for solo users.
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