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Dev.to
7/9/2026
My results for an AI building challenge on almost no budget

My results for an AI building challenge on almost no budget

Short summary

Developer Jeff recreated a complex Excel-like spreadsheet application (HolySheet) in one week for under $50 using Claude Opus, building formulas, formatting, pivot tables, and charts. The project demonstrates rapid full-stack development capabilities with AI assistance. The author questions why enterprises spend hundreds of millions on AI when individuals can build sophisticated business apps so cost-effectively.

  • •Built a full-featured spreadsheet app clone in 5 days for $50 using Claude Opus
  • •Demonstrates practical AI capability for complex software development on constrained budget
  • •Raises questions about efficiency gap between individual AI-powered development and enterprise spending

Generated with AI, which can make mistakes.

#ai-tools#product-launch#research-breakthrough#market-trend
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