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Amazon Polly delivers a major upgrade to its Generative engine

Machine Learning Blog



Amazon Polly's Generative engine receives a major upgrade delivering more natural, expressive, and accurate speech output with low latency.

  • Adds 14 new voices across 9 locales, including Hindi and Finnish general availability for the first time
  • Expands to 57 total generative voices across 11 languages and 25 locales
  • Improves accuracy for numbers, currency, addresses, and entity pronunciation
  • Reflects emotion and prosody based on textual context without manual setup
  • Drop-in upgrade with no code changes required for existing applications
  • Available in 11 AWS Regions including new AWS GovCloud (US-West) support
  • Same pricing with no cost increase or new SKU
  • Supports real-time applications via Bi-Di Streaming API and SSML tags

The upgraded engine enables production-ready speech workflows for contact centers, voice agents, media localization, e-learning, accessibility, and interactive experiences.



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