Stop Letting LLMs Reinvent the Wheel When Coding
xuanalogue · x · 2026-07-14
The shared post argues that LLMs often tend to "write everything from scratch," which isn't necessarily better for the user.
Main issues include:
- Higher token costs: Reinventing the wheel consumes more context
- Fails to reuse mature libraries: Models are reluctant to directly use existing, proven solutions
- Increased maintenance burden: You might end up maintaining constants and implementation details that could have been delegated
The original post uses a 3D CFD application as an example: while the model can generate code quickly, being too obsessed with "building from scratch" sacrifices engineering quality and maintainability.
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