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Dev.to
Dev.to
8/4/2026
The original title is: "Vibe Coding vs. Spec Coding: How Kiro is changing the way we build AI-Powered Software"

The original title is: "Vibe Coding vs. Spec Coding: How Kiro is changing the way we build AI-Powered Software"

Original: Vibe Coding vs. Spec Coding: How Kiro is changing the way we build AI-Powered Software

Short summary

The article contrasts 'vibe coding' (informal prompt-driven development) with 'spec coding' via AWS Kiro, which requires explicit functional and non-functional requirements before code generation. Vibe coding excels for MVPs and experimentation but loses coherence as projects grow. Spec coding forces upfront design documentation, making AI-generated codebases maintainable over time.

  • Vibe coding generates code from informal prompts but loses project coherence as complexity grows
  • Spec coding via AWS Kiro requires explicit requirements and architecture before code generation
  • Spec coding approach keeps design decisions documented and maintainable rather than hidden in chat history

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