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Spec-driven Development Vs Agentic Coding?

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SPEC-DRIVEN DEVELOPMENT— ORIGIN, MEANING & USAGE

Spec-Driven Development A coding workflow where a detailed written specification is produced first and an AI agent implements against it, treating the spec rather than the prompt as the primary artifact steering the work.

Origin:Emerged as a corrective to unstructured 'vibe coding' — practitioners found that agents produce dramatically more reliable output when working from an explicit spec instead of an ad hoc conversational prompt.
First Seen:2025
Peak Era:2026 (AI Coding)
Aura Impact:+1 Aura (A Spec Detailed Enough That the Agent Never Has to Guess) / -1 Aura (Writing a Spec Longer Than the Code It Describes)

EXAMPLE USAGE

"Switched to spec-driven development, the agent stopped making things up halfway through."

AGENTIC CODING— ORIGIN, MEANING & USAGE

Agentic Coding Software development where an AI agent independently writes, tests, and revises code across multiple steps with minimal per-step human review, as opposed to single-shot code suggestions.

Origin:Coined to distinguish this multi-step, self-correcting workflow from earlier autocomplete-style AI coding assistance, marking a qualitative shift in how much of the loop the AI runs unsupervised.
First Seen:2024
Peak Era:2026 (AI Coding)
Aura Impact:+1 Aura (Agentic Coding That Nails a Multi-File Change Unsupervised) / -1 Aura (Agentic Coding That Quietly Breaks Three Other Files While Fixing One)

EXAMPLE USAGE

"Did the whole refactor with agentic coding, only stepped in twice."

SPEC-DRIVEN DEVELOPMENT VS AGENTIC CODING

Spec-Driven Development

A coding workflow where a detailed written specification is produced first and an AI agent implements against it, treating the spec rather than the prompt as the primary artifact steering the work.

Agentic Coding

Software development where an AI agent independently writes, tests, and revises code across multiple steps with minimal per-step human review, as opposed to single-shot code suggestions.

In short: Spec-Driven Development (mainstream gen alpha slang) and Agentic Coding (mainstream gen alpha slang) are frequently used together in the same Gen Z/Alpha vocabulary, but describe distinct concepts — see the full entries for category tags, related terms, and live trend data.

Want the full breakdown — categories, trend velocity, platform distribution, and community voting on Spec-Driven Development? Visit the full dictionary entry for Spec-Driven Development.