Amazon Polly
Text to speech software
Generative AI software
Synthetic media software
- Features
- Ease of use
- Ease of management
- Quality of support
- Affordability
- Market presence
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What is Amazon Polly
Amazon Polly is a cloud-based text-to-speech service that converts text into spoken audio using neural and standard voices. It is used by developers and product teams to add speech to applications for use cases such as IVR, accessibility, e-learning narration, and media voiceovers. The service is delivered through AWS APIs/SDKs and supports multiple languages and speech styles, with options such as SSML controls and lexicons for pronunciation tuning. It primarily provides voice generation capabilities rather than an end-to-end video creation or editing workflow.
Developer-first API integration
Polly is exposed through AWS APIs and SDKs, which fits application embedding and automation workflows. It supports programmatic batch generation and integration with other AWS services for storage, processing, and deployment. This approach is practical for teams that need TTS as a component inside products rather than a standalone studio interface.
SSML and pronunciation controls
Polly supports SSML for controlling pacing, emphasis, breaks, and other speech attributes. It also supports custom pronunciation via lexicons, which helps standardize brand terms, names, and domain-specific vocabulary. These controls are useful for producing consistent audio across large content libraries.
Multi-language voice coverage
Polly provides a catalog of voices across multiple languages and locales, enabling globalized applications and content. Teams can select voices per locale and generate audio in consistent formats for distribution. This breadth is often important for enterprises supporting multilingual customer experiences.
Limited creative studio workflow
Polly focuses on generating speech audio and does not provide a full creative workflow for video avatars, scene building, or timeline-based editing. Users typically need separate tools for script collaboration, audio post-production, and video assembly. Teams comparing it to synthetic media suites may find more work required to produce finished media assets.
Voice customization constraints
Polly offers voice selection and speech controls, but deep custom voice creation and brand-unique voice cloning are not its primary focus. Organizations that require a bespoke voice identity may need additional services or specialized vendors. This can add complexity for projects with strict branding or talent requirements.
AWS dependency and cost management
Using Polly generally implies operating within AWS for authentication, billing, and service integration. Costs can scale with character volume and usage patterns, so teams often need monitoring and governance to avoid unexpected spend. Some buyers may prefer a vendor-agnostic deployment model or simpler per-seat pricing.
Plan & Pricing
Pricing model: Pay-as-you-go Free tier/trial: Time-limited AWS Free Tier credits and Amazon Polly free-tier allowances (details below)
Prices (when outside the free tier)
- Standard voices — $4.00 per 1,000,000 characters (speech or Speech Marks requests).
- Neural voices — $16.00 per 1,000,000 characters (speech or Speech Marks requests).
- Long-Form voices — $100.00 per 1,000,000 characters (speech or Speech Marks requests).
- Generative voices — $30.00 per 1,000,000 characters (speech requests).
AWS GovCloud (US) prices (when outside the free tier)
- Standard voices — $4.80 per 1,000,000 characters.
- Neural TTS voices — $19.20 per 1,000,000 characters.
Free tier / trial details (as stated on AWS official pages)
- Standard voices: Free tier includes 5,000,000 characters per month (see AWS pricing page).
- Neural voices: Free tier includes 1,000,000 characters per month, for the first 12 months.
- Long-Form voices: Free tier includes 500,000 characters per month, for the first 12 months.
- Generative voices: Free tier includes 100,000 characters per month, for the first 12 months.
- Starting July 15, 2025, new AWS customers may receive up to $200 in AWS Free Tier credits which can be applied to eligible services (including Amazon Polly); sign-up options and timing are described on the AWS Free Tier documentation.
Billing & notes (from AWS official pages)
- You are billed monthly based on characters processed; Speech Marks requests are charged at the same per-character rates as speech in applicable voice tiers.
- You can cache and replay generated speech at no additional cost (per AWS).
- AWS provides an online Pricing Calculator to estimate monthly costs.
(Information extracted from the official Amazon Polly pricing and AWS Free Tier documentation pages.)
Seller details
Amazon Web Services, Inc.
Seattle, Washington, USA
2006
Subsidiary
https://aws.amazon.com/
https://x.com/awscloud
https://www.linkedin.com/company/amazon-web-services/
