Make your web apps hands-free with Amazon Nova Sonic

Graphical user interfaces have carried the torch for decades, but today’s users increasingly expect to talk to their applications. Amazon Nova Sonic is a state-of-the-art foundation model from Amazon Bedrock, that helps enable this shift by providing natural, low-latency, bidirectional speech conversations over a simple streaming API. Users can collaborate with the applications through voice and embedded intelligence rather than merely operating them.

In this post we show how we added a true voice-first experience to a reference application—the Smart Todo App—turning routine task management into a fluid, hands-free conversation.

Rethinking user interaction through collaborative AI voice agents

Important usability enhancements are often deprioritized—not because they aren’t valuable, but because they’re difficult to implement within traditional mouse-and-keyboard interfaces. Features like intelligent batch actions, personalized workflows, or voice-guided assistance are frequently debated but deferred due to UI complexity. This is about voice as an additional ...