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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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Windsurf
A
DALL-E 3
B
Rows
A
Hume AI
A
TaglineCodeium's agentic IDE. Cascade agent + strong free tier.OpenAI's image model. Built into ChatGPT Plus.Spreadsheets with AI + live integrations baked in.Voice AI that reads + expresses emotion.
CategoryCodingImageDataVoice
PricingFree + $15/mo ProIncluded with ChatGPT Plus $20/moFree + $19-$89/user/moFree tier + pay-as-you-go
Best forDevelopers who want Cursor-like power for less money.ChatGPT Plus users who want images without paying extra.Ops teams, marketers, anyone building dashboards from multiple sources.Therapy apps, customer service, any voice agent where emotion matters.
Strengths
  • Cheaper than Cursor
  • Cascade agent for multi-file tasks
  • Solid free tier
  • Excellent prompt understanding
  • Built into ChatGPT — no extra subscription
  • Good at composition + concepts
  • Pull live data from Stripe, Slack, Google Analytics, etc.
  • AI functions inside cells
  • Modern UX
  • Detects + mirrors emotional tone
  • EVI (Empathic Voice Interface) feels different
  • Expressive voice output
Weaknesses
  • Smaller community
  • Model selection more limited
  • Aesthetic ceiling below Midjourney + Ideogram
  • Text rendering worse than Ideogram
  • No fine control
  • Not a full Excel replacement for heavy users
  • Integrations best on paid tiers
  • Niche use case
  • Pricing ramps fast
Kai's verdictA-tier. Close second to Cursor. If $5/mo matters, start here.B-tier standalone, A-tier value if you already pay ChatGPT. Don't pay for it separately.A-tier. The most interesting spreadsheet in years. Great for ops dashboards.A-tier in its niche. The only one that actually gets emotion right.
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