Amazon Polly delivers a major upgrade to its Generative engine
The Amazon Polly Generative engine gets a major upgrade: more expressive, more accurate speech with low latency, plus 14 new voices across 9 locales and general availability of Hindi and Finnish. This drop-in upgrade requires no code changes and is now generally available in production.
Amazon Polly, an AWS service that converts text to natural-sounding speech, has introduced a major upgrade to its Generative engine. This improvement offers more expressive, accurate speech output with low latency. The upgrade includes 14 new voices across 9 different locales, bringing the total number of voices to 57 across 11 languages and 25 locales. Newly added voices include Arjun and Kiara for Hindi, and Suvi for Finnish.
Notably, this upgrade is a drop-in upgrade for existing generative voices, meaning existing applications will continue to function as before. Voice names and API calls remain unchanged. Amazon Polly, a fully managed service, converts text into natural speech for a variety of applications, such as contact centers, LLM-based agentic applications, media and entertainment, e-learning, accessibility, and more.
Hear the difference for yourself with sample audio. The new voices provide more natural, authentic, and expressive speech, making interactions with the service more delightful. For example, Tiffany, one of the generative voices, welcomes users with a friendly and expressive tone, while Kenneth accurately reads an order confirmation with details like tracking numbers, dates, currencies, and addresses.
The new voices also offer different speech styles based on the text input, including neutral, uncertainty, and surprised tones. This feature is particularly useful for real-time applications such as voice agents and characters in games. The upgrade also provides a larger catalog of generative voices and supports Speech Synthesis Markup Language (SSML) for fine-grained control over the speech output.
In terms of pricing, the Amazon Polly Generative engine offers competitive, pay-as-you-go pricing with no cost increase or changes to existing integrations. The service is built for production-ready speech workflows and can handle enterprise-level demands. With this upgrade, Amazon Polly continues to provide high-quality, performance, and cost efficiency for a wide range of production use cases.
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