Amazon Polly

Comparing ElevenLabs and Amazon Polly Voice Models

Compare ElevenLabs and Amazon Polly for voice cloning, speech models, streaming, AWS integration, and text-to-speech pricing.

ElevenLabs vs Amazon Polly at a glance

ElevenLabs combines speech models with self-service voice creation. Amazon Polly provides multiple speech engines through AWS. The useful comparison depends on your chosen model, language, custom voice needs, and integration.

ElevenLabsAmazon Polly
  1. Speech models

    ElevenLabs
    Eleven v3 Conversational, Eleven v3, Multilingual v2, and Flash v2.5 serve different workflows
    Amazon Polly
    Standard, Neural, Long-form, and Generative engines
  2. Custom voices

    ElevenLabs
    Instant and professional voice cloning on eligible plans
    Amazon Polly
    Brand Voice through a custom engagement with AWS
  3. Language selection

    ElevenLabs
    Language support depends on the selected speech model
    Amazon Polly
    Language and voice availability vary by engine and AWS Region
  4. Delivery controls

    ElevenLabs
    Voice settings and expressive controls depend on the model
    Amazon Polly
    SSML and pronunciation lexicons, with engine-specific support
  5. Long text

    ElevenLabs
    Request limits vary by model; longer scripts may need splitting
    Amazon Polly
    Synchronous requests, asynchronous tasks, and Generative input streaming
  6. Integration

    ElevenLabs
    Speech API and tools for creating and editing voice content
    Amazon Polly
    AWS SDKs, IAM permissions, and Amazon Connect integration
  7. Billing units

    ElevenLabs
    API character rates depend on the model and offer
    Amazon Polly
    Characters synthesized, charged at an engine-specific rate
  8. Capacity planning

    ElevenLabs
    Concurrent request allowances vary by plan
    Amazon Polly
    Request and concurrency quotas vary by engine and API operation

Why teams choose Cartesia

Rated first by listeners

Sonic 3.6 ranks first on the Artificial Analysis Provider Voice Arena, a blind listening test.

First audio in under 90ms

Sonic streams speech fast enough for a live phone call, on the public API.

44 languages, one model

Native accents in every language, with no model to switch when a caller does.

Enterprise ready

SOC 2 Type II, HIPAA-eligible, on-prem and air-gapped deployment, and a 99.9% uptime SLA.

How they stack up

Choose between a voice creation workflow and AWS integration

ElevenLabs is worth evaluating when your team needs voice cloning and content creation tools. Polly is worth evaluating when speech generation needs to fit an existing AWS application or contact center.

  • Check whether the desired voice is available in your language and model.
  • Compare custom voice access, setup work, and commercial terms.
  • Test the speech your users will hear, including names, numbers, and corrections.

Compare specific models, not provider labels

Flash v2.5 prioritizes low latency, Multilingual v2 targets consistent long-form speech, and Eleven v3 provides expressive generation. Polly's four engines also differ in voice selection, capabilities, and price. Calling all Polly voices robotic or treating every ElevenLabs model as equivalent misses those differences.

Polly's Generative engine supports bidirectional text and audio streaming. You can forward text as it arrives instead of waiting for a complete response. See the AWS streaming guide.

  • Measure the first playable audio with the same transcript and network conditions.
  • Listen for pronunciation errors and changes in delivery across longer passages.
  • Repeat tests with the exact voice and settings you plan to use.

Compare the selected model and engine rates

ElevenAPI lists $0.05 per 1,000 characters for Flash/Turbo and v3 Conversational, and $0.10 per 1,000 for Eleven v3 and Multilingual v2. Subscription and pay-as-you-go options are available. Creative-plan allowances are a separate comparison, and introductory discounts are not the ongoing monthly price.

Polly lists $4 per million characters for Standard, $16 for Neural, $30 for Generative, and $100 for Long-form outside the free tier. Check the rate for your AWS Region. Estimate your bill with the engine you intend to deploy, then account for your expected usage. The ElevenLabs pricing page and Polly pricing page are the sources for current rates.

Frequently asked questions

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