At CODEFUSION, we are actively exploring new approaches to software development. One of them is Spec Driven Development (SDD) – a methodology where a precise, executable specification is the central artifact. Code, tests, and documentation are derived from it, rather than emerging independently or after the fact.
A popular alternative is so-called vibe coding or yolo programming: writing code without a formal plan, where an AI model generates successive fragments guided mainly by developer intuition and a stream of prompts. It works fast at the prototype stage, but in complex, long-lived systems it quickly leads to chaos – code that is hard to understand, maintain, and evolve without constant model assistance.
SDD is the answer to this problem. A formal specification becomes a precise plan for AI agents – making their work deterministic, repeatable, and verifiable against real business requirements. At CODEFUSION, we are building clear processes around this approach, because the power of generative AI is best harnessed through requirements – not just prompts.
