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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
Le Chat (Mistral)
B
Rows
A
v0
S
Manus
S
TaglineFrench alternative. Fast, European, privacy-focused.Spreadsheets with AI + live integrations baked in.Vercel's AI-powered UI generator. Prompt to shadcn component.Autonomous AI agent that actually finishes tasks.
CategoryChatbotsDataDesignAgents
PricingFree + $15/mo ProFree + $19-$89/user/moFree + $20/moFree tier + $39-$199/mo
Best forEuropean users with data residency needs. Fans of open-weight models.Ops teams, marketers, anyone building dashboards from multiple sources.Frontend devs, PMs prototyping UIs, anyone on Next.js.People who want to hand off tasks entirely — trip planning, research, spreadsheet building.
Strengths
  • European data residency
  • Very fast responses
  • Open-weight Mistral models available
  • Good French/European languages
  • Pull live data from Stripe, Slack, Google Analytics, etc.
  • AI functions inside cells
  • Modern UX
  • Ships working React + Tailwind code
  • Shadcn/ui native
  • One-click deploy to Vercel
  • General-purpose agent — research, book, build, analyze
  • Parallel task execution
  • Web browsing + file creation + coding
Weaknesses
  • Smaller capability gap vs frontier models
  • Less polished UX
  • Not a full Excel replacement for heavy users
  • Integrations best on paid tiers
  • Best for shadcn stack
  • Iterating can be fiddly
  • Still hit-or-miss on complex multi-hour tasks
  • Can burn credits fast
Kai's verdictB-tier overall, A-tier if GDPR/data residency matters. Solid backup option.A-tier. The most interesting spreadsheet in years. Great for ops dashboards.S-tier. If you're on Vercel/shadcn, this is cheating.S-tier in the agent category. The first one I'd give to a non-technical friend.
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