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Deepgram vs Amazon Polly: catalog facts
Deepgram	Amazon Polly
Freemium Free sign-up for trying the APIs, with paid usage and enterprise plans.	Paid Pay-as-you-go AWS pricing, with an AWS Free Tier allowance.
Web, Self-hosted	Web
Speech-to-text, text-to-speech and voice agents from one provider Real-time streaming as well as batch transcription	Many voices across dozens of languages Neural and generative voice engines
Built for developers integrating an API, not a consumer app Usage beyond the free tier is paid	Requires an AWS account and billing setup Built for developers integrating an API rather than casual use
Self-hosted, Hosted service	Hosted service
Closed source	Closed source
License not stated	License not stated
Account needed	Account needed
Not stated if it works offline	Needs internet
Official website Full listing and sources Checked October 1, 2026	Official website Full listing and sources Checked October 2, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.