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Amazon Polly delivers a major upgrade to its Generative engine

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Amazon Polly delivers a major upgrade to its Generative engine

Amazon Polly Generative engine now offers more natural and accurate speech output. We’re introducing an upgrade to the Amazon Polly Generative engine that delivers more expressive, more accurate speech output with low latency. The upgrade adds 14 new voices across 9 locales, including general availability of Generative voices in Hindi and Finnish for the first time. The upgrade is now generally available in production.

Importantly, this is a drop-in upgrade for existing generative voices. Voice names and API calls are unchanged, so your existing applications continue to work as they do today.

Amazon Polly is a fully managed AWS service that converts text into natural-sounding speech for contact centers, large language model (LLM)-based agentic applications, media and entertainment, e-learning, accessibility, and other applications that require reliable voice output at scale.

The upgraded Amazon Polly Generative engine uses a standard Amazon Polly API call to build your speech applications. With Amazon Polly, you can continue to build with familiar AWS patterns: call the same Amazon Polly API, manage access with AWS Identity and Access Management (IAM), use the output in your existing applications and contact-center flows, and monitor the workloads that synthesize speech for your customers.

This launch is designed to elevate the speech output quality that you can hear with your existing Amazon Polly implementation. No changes to your code are required to get the upgraded voices. For applications that already use Amazon Polly Generative voices, the upgrade happens in place. For new applications, the same SynthesizeSpeech API gives you access to a larger set of generative voice catalogs.


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