Migrating a text agent to a voice assistant with Amazon Nova 2 Sonic

Amazon AWS AI Blog / 4/29/2026

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Key Points

  • The article explains how to migrate a conventional text-based agent into a conversational voice assistant using Amazon Nova 2 Sonic.
  • It compares the distinct requirements and design priorities for text agents versus voice agents, tailored to different use cases.
  • It breaks down the agent architecture needed for voice interactions and how to structure components for the new modality.
  • It addresses common migration concerns, including reusing tools and sub-agents and adapting system prompts accordingly.
  • Overall, the post aims to guide teams through the migration process while avoiding frequent mistakes and pitfalls.
In this post, we explore what it takes to migrate a traditional text agent into a conversational voice assistant using Amazon Nova 2 Sonic. We compare text and voice agent requirements, highlight design priorities for different use cases, break down agent architecture, and address common concerns like tools and sub-agents for reuse and system prompt adaptation. This post helps you navigate the migration process and avoid common pitfalls.