Compound rewrites Excel, PowerPoint and Word in Rust entirely with AI, claims better performance than Google Workspace
peterjliu · x · 2026-10-06
- Startup Compound says it rewrote Excel, PowerPoint and Word equivalents in Rust, with rendering and performance better than Google Workspace and LibreOffice — and founder peterjliu wrote zero lines of Rust by hand, all AI-generated.
- The post quotes DHH's argument that verbose, high-performance languages (Rust at 10x+ the LOC of Rails) were previously uneconomical for expensive human programmers, but AI coding changes that math.
- Together they signal that AI-assisted coding is lowering the cost barrier to rewriting mature software with performance-first but verbose stacks.
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