Amazon Polly
#1 in Text-to-Speech · Rated 4.6
Mature AWS cloud TTS with broad voice options
Amazon Polly is AWS’s cloud Text-to-Speech service built to convert text into lifelike speech for apps, media, and accessibility. It offers Standard, Neural, Long-Form, and Generative voice families across dozens of languages, with SSML support, Speech Marks for lip-sync, and streaming/synchronous synthesis. Polly excels for developers already invested in AWS, providing deep integration with S3, Lambda, and other AWS services, plus scalable, pay-as-you-go pricing. It’s widely used for chatbots, IVRs, audiobooks, and media production at scale. In 2025, Polly remains a leading choice for teams needing reliable, globally available TTS inside a single cloud ecosystem and with a broad set of neural voice options. It differentiates itself by the breadth of voices, regional coverage, and lipsync-ready Speech Marks, while its pricing can be more favorable at scale for standard voices compared to some competitors. Suitable for mid-to-large teams building customer-facing voice interfaces or content pipelines that depend on AWS infrastructure. Established in 2016, Polly benefits from AWS-scale reliability and the extensive AWS ecosystem. Headquarters: Seattle, WA, USA.
Features
- Standard and Neural voices across dozens of languages
- Speech Marks for facial lip-sync and animations
- SSML support and voice customization
- Real-time streaming and batch synthesis
- Lipsync-friendly signals and timestamps
- Tight integration with AWS services (S3, Lambda, IAM, etc.)
Pros
- Mature, scalable AWS integration
- Wide language and voice options
- Strong enterprise security and compliance options
- Good for building large voice-enabled apps in AWS stack
Cons
- Can be priced high at scale for Neural/Generative voices
- Complex pricing matrix across regions