# Amazon Polly vs Parler-TTS

**Leader by Vioscale score:** Amazon Polly

| Attribute | Amazon Polly | Parler-TTS |
|---|---|---|
| **Vioscale score** | 59.9 (61% (medium)) | 28.6 (17% (low)) |
| activity.commits_last_30d | - | 0 |
| adoption.dependent_repos | - | 0 |
| adoption.github_stars | - | 5,586 |
| deployment.options | `{"cloud":true}` | `{"self_hosted":true}` |
| description.long | Amazon Polly is a managed cloud service that synthesizes speech from text using neural networks and generative voice technology. It offers multiple voice options and languages, integrates through APIs, and supports various audio formats for use in applications and services. | An inference and training library for speech synthesis models, available as an open-source project distributed via pip. |
| integrations.count | 2 | - |
| integrations.list | `[{"name":"Amazon Connect"},{"name":"Amazon Chime SDK"}]` | - |
| language.primary | - | Python |
| license.spdx | - | Apache-2.0 |
| market.availability | `{"primaryMarkets":[],"availabilityScope":"global","availableCountries":[],"notAvailableCountries":[]}` | - |
| platform.support | `{"cli":true,"web":true}` | `{"cli":true}` |
| pricing | `{"type":"usage","plans":[{"free":false,"name":"Standard Voices","summary":"$4.00 per 1M characters","components":[{"per":{"qty":1000000,"unit":"characters"},"kind":"metered","amount":4,"currency":"USD"}],"description":"Basic quality voices with lower latency","contactSales":false},{"free":false,"name":"Neural Voices","summary":"$16.00 per 1M characters","components":[{"per":{"qty":1000000,"unit":"characters"},"kind":"metered","amount":16,"currency":"USD"}],"description":"High-quality neural synthesis voices","contactSales":false},{"free":false,"name":"Long-Form Voices","summary":"$100.00 per 1M characters","components":[{"per":{"qty":1000000,"unit":"characters"},"kind":"metered","amount":100,"currency":"USD"}],"description":"Optimized for longer text passages and documents","contactSales":false},{"free":false,"name":"Generative Voices","summary":"$30.00 per 1M characters","components":[{"per":{"qty":1000000,"unit":"characters"},"kind":"metered","amount":30,"currency":"USD"}],"description":"Generative voice synthesis with custom voice options","contactSales":false}],"summary":"From $4.00 per 1M characters. Free tier available (5M characters/month for Standard voices).","currency":"USD","freeTier":true,"sourceUrl":"https://aws.amazon.com/polly/pricing/","retrievedAt":"2026-08-19T22:02:51.594Z","startingPrice":{"unit":"characters","amount":4,"currency":"USD"},"billingPeriods":["month"]}` | `{"type":"open_source","freeTier":true,"sourceUrl":"https://github.com/pricing","retrievedAt":"2026-08-19T22:25:09.827Z"}` |
| pricing.free_tier | yes | yes |
| pricing.model | freemium | commercial |
| pricing.price_level | low | free |
| pricing.starting_price | `{"amount":4,"currency":"USD"}` | - |
| pricing.transparent | yes | - |
| reliability.status_page | yes | - |
| security.disclosure_policy | yes | - |
| security.fedramp | yes | - |
| security.gdpr | yes | - |
| security.hipaa | yes | - |
| security.pci | yes | - |
| security.vulnerabilities | - | `{"count":0,"source":"https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=pypi&package_name=parler-tts&per_page=100","last_12m":0,"max_severity":null}` |

## Capabilities (Text To Speech)

| Capability | Amazon Polly | Parler-TTS |
|---|:--:|:--:|
| **Capabilities** |  |  |
| Voice cloning | - | - |
| Zero shot cloning | - | - |
| Streaming synthesis | - | - |
| Ssml support | - | - |
| Emotion style control | - | - |
| On device offline | - | - |
| Open source | - | - |
| Watermarking provenance | - | - |
| Cloning consent verification | - | - |

*Source: Vioscale. Generated 2026-09-01T17:22:37.964Z. "-" = undocumented, not absent.*