Amazon Polly by AWS
AWS text-to-speech with Standard, Neural, Long-Form and Generative voices.
Voiceover (text-to-speech) Service
Price
Free tier
Standard 5M chars/month; Neural 1M, Long-Form 500K,...
Commercial use
Unclear
Credit the author
—
Agent access
Public API
API key needed
Rules for your agent
Copied.
- Amazon Polly (Voiceover (text-to-speech)). AWS text-to-speech with Standard, Neural, Long-Form and Generative voices. Price: free tier; commercial use unclear; shipping inside an app unclear. Connect: API docs https://docs.aws.amazon.com/polly/latest/dg/ (API key needed); npm @aws-sdk/client-polly; PyPI boto3. Rule: Budget for paid Neural, Long-Form and Generative usage after the first 12 months.
Paste it into your prompt or AGENTS.md. It is built from the license and API terms below.
License
| License | — |
|---|---|
| Commercial use | Commercial use unclear |
| Credit | — |
| Inside your app or game | Shipping inside an app unclear |
| Monetized YouTube | Monetized YouTube unclear |
| AI training | Not stated |
| Bots and bulk downloads | Not stated |
| Rules |
|
Connect it to an agent
| MCP server | None found |
|---|---|
| API | API docs · key needed |
| npm | npm install @aws-sdk/client-polly |
| PyPI | pip install boto3 |
| Status page | health.aws.amazon.com/health/status |
Pricing
| Free | Standard 5M chars/month; Neural 1M, Long-Form 500K, Generative 100K each for the first 12 months. New accounts since 2025-07-15 get up to $200 in credits. |
|---|---|
| Paid from | — |
| Usage price | Standard $4/1M chars; Neural $16/1M; Generative $30/1M; Long-Form $100/1M. |
Sources
Read on Oct 10, 2026: aws.amazon.com/polly/pricing/, docs.aws.amazon.com/polly/latest/dg/supported-languages.html.
Not confirmed: No commercial restriction stated; which voice types cover each language not checked.
Not legal advice. Check the license page before you ship.
Alternatives to Amazon Polly
| Pick for your agent | Source | Price | License | Monetized YouTube | Agent access |
|---|---|---|---|---|---|
| Cartesia Sonic Sonic TTS API (Sonic 3.6 claims 44 languages) with instant and pro voice cloning. |
Free tier · from $5/mo | Commercial: conditions | With conditions | MCP API | |
| ElevenLabs Text-to-speech and voice cloning API in many languages, with an official MCP server. |
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| Fish Audio TTS app and pay-as-you-go API priced per UTF-8 byte; S2.1-Pro claims 83 languages. |
Free tier · from $11/mo | Commercial: conditions | With conditions | MCP API | |
| Hume Octave Octave TTS with voice cloning and an official MCP server. |
Free tier · from $3/mo | Commercial: conditions | With conditions | MCP API | |
| Speechify API TTS API (Simba models) with a free plan that lists commercial use. |
Free tier · from $10/mo | Commercial OK | With conditions | API | |
| WellSaid TTS voices with commercial rights on paid plans; API access is available. |
Free tier · from $10/mo | Commercial: conditions | With conditions | API | |
| Chatterbox MIT-licensed open TTS with zero-shot cloning in 23 languages and a built-in Perth watermark. |
Free | Commercial OK No credit | Yes | PyPI | |
| Kokoro-82M 82M-parameter open-weight TTS model under Apache-2.0 with fixed voice packs. |
Free | Commercial OK No credit | Yes | npm |
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Copied. Paste it into your prompt or AGENTS.md.