Beyond Dictation: Building Software Just by Talking

tl;dr: Kiro Steering Studio is a voice-powered tool that generates structured Kiro steering files through natural conversation - not dictation. Built on Amazon Nova 2 Sonic's bidirectional streaming, it routes what you say to the right files, tracks open questions, and produces AI-optimized markdown context for your workspace. This post covers how it's built, why it's different from the voice AI tools you already use, and what I learned along the way. Voice is becoming a first-class interface in developer tooling. The voice-to-text space has exploded in 2026, with several products competing to make typing obsolete. Some treat it as a faster way to input text, while others use it to drive structured, agentic workflows. The Voice AI Landscape for Devs in Q1 2026 OpenAI's Codex has voice a supported feature, but the scope is intentionally narrow. The official Codex macOS app—released in February 2026 includes voice commands that let developers speak prompts directly into the agent interfa