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edge-tts vs Amazon Polly: catalog facts
edge-tts	Amazon Polly
Free Free and open source; it uses Microsoft's online service at no cost.	Paid Pay-as-you-go AWS pricing, with an AWS Free Tier allowance.
Windows, macOS, Linux, Command line	Web
No API key or Microsoft account needed Writes subtitles alongside the audio	Many voices across dozens of languages Neural and generative voice engines
Depends on Microsoft's online service, so it needs internet and could break if the service changes Playback command needs mpv on macOS and Linux	Requires an AWS account and billing setup Built for developers integrating an API rather than casual use
Downloadable app	Hosted service
Open source	Closed source
License: LGPL-3.0	License not stated
No account needed	Account needed
Needs internet	Needs internet
Official website Full listing and sources Checked October 2, 2026	Official website Full listing and sources Checked October 2, 2026

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