Google Cloud Text-to-Speech vs Amazon Polly

The best way to compare Google Cloud Text-to-Speech vs Amazon Polly: audio samples, latency, features, plans, pricing, and more.

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Google Cloud Text-to-Speech

Allows developers to create natural-sounding, synthetic human speech as playable audio.
vs

Amazon Polly

Text-to-speech service to transform text into natural-sounding speech using deep learning technologies.

Voice Quality

Google Cloud Text-to-Speech Samples

Mean Opinion Score
Fiction
3.93
Non-Fiction
3.82
Conversation
3.42

Amazon Polly Samples

Mean Opinion Score
Fiction
3.00
https://od.lk/s/NjBfMTI3MzMyNzU5Xw/arnold_rpg_dailouge.mp3
Non-Fiction
2.51
https://od.lk/s/NjBfMTI3MzMyNzI0Xw/clyde_site_sample.mp3
Conversation
2.63
https://od.lk/s/NjBfMTI3MzMyNzI0Xw/clyde_site_sample.mp3

Mean Opinion Score (MOS) is a numerical measure that represents the perceived quality of audio samples, commonly used in evaluating text-to-speech systems. The score ranges from 1 to 5, with 1 indicating poor quality and 5 signifying excellent quality. These scores are derivedfrom comprehensive, professionally-conducted evaluations, and are anonymized to ensure unbiased results.

Features

Google Cloud Text-to-Speech Features

Voice Cloning
Multi-lingual
Per-word Timestamps
Pitch Control
Speed Control
Phone Formats (e.g. pcm_mulaw)

Amazon Polly Features

Voice Cloning
Multi-lingual
Per-word Timestamps
Pitch Control
Speed Control
Phone Formats (e.g. pcm_mulaw)

Features - Conclusion

  • Feature Overview: Both Google Cloud Text-to-Speech and Amazon Polly provide developers with features like multi-lingual support, pitch and speed control, and phone format compatibility, aiming to create natural-sounding, synthetic speech.
  • Unique Capabilities: Google Cloud Text-to-Speech stands out with its voice cloning feature, which Amazon Polly lacks.
  • Additional Features in Amazon Polly: Amazon Polly offers per-word timestamps, a feature not available in Google Cloud Text-to-Speech, which can enhance synchronization in applications requiring precise timing.
  • Service Differentiation: The choice between Google Cloud Text-to-Speech and Amazon Polly may hinge on specific feature needs, such as voice cloning for personalized speech in Google Cloud or precise timing control with Amazon Polly’s per-word timestamps.

Pricing & Plans

Google Cloud Text-to-Speech Pricing

Free

$0/mo

  • 1M characters

Pay As You Go

$16/mo

  • 1M characters

Amazon Polly Pricing

Free

$0 /mo

  • 1M characters (for first 12 months only)

Pay As You Go

$16 per

  • 1M characters

Pricing & Plans - Conclusion

  • Pricing Plans: Both Google Cloud Text-to-Speech and Amazon Polly offer competitive pay-as-you-go pricing at $16 per 1M characters.
  • Free Tier Differences: Google Cloud Text-to-Speech offers a potentially indefinite free allowance of 1M characters per month, without a specified time limit. In contrast, Amazon Polly's free tier is limited to the first 12 months only.
  • Long-Term Value: Google Cloud Text-to-Speech is more attractive for users seeking long-term value, particularly if they do not exceed the free usage limit, compared to Amazon Polly's more restricted free tier offering.

Customer Reviews

Google Cloud Text-to-Speech Reviews

 out of 5
No items found.

Amazon Polly Reviews

4.4 out of 5
Average of 68 ratings from leading review sites.

Customers appreciate Amazon Polly for its natural-sounding voices, ease of use, and integration with AWS services. They find it beneficial for various applications like IVR systems, content creation, and multilingual support. However, concerns about cost, limited customization options, and occasional unnatural inflections in the voices are common. The service's scalability and fast response times are highlighted as significant advantages, helping businesses efficiently manage large-scale projects.

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Velit Voluptatem Eius Inventore

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Summary

  • Voice Quality and Features: Google Cloud Text-to-Speech excels in voice quality, especially in fiction and non-fiction categories, and includes unique features like voice cloning, making it a superior choice for high-quality and engaging speech output.
  • Pricing and Value: Both services offer competitive pay-as-you-go pricing; however, Google Cloud Text-to-Speech's indefinite free tier provides better long-term value.
  • Unique Amazon Polly Feature: Amazon Polly's provision of per-word timestamps is beneficial for users requiring precise speech synchronization.
  • Choosing the Right Service: The decision between Google Cloud Text-to-Speech and Amazon Polly should be guided by specific project needs, whether it’s superior voice quality and cloning capabilities or precise timing for speech synchronization.

TTS Property

Our next-gen TTS model surpasses competitors on performance at one-tenth the cost. Enjoy low latency websocket support and mult-speaker voice generation at pricing that helps you scale.Our next-gen TTS model surpasses competitors on performance at one-tenth the cost. Enjoy low latency websocket support and mult-speaker voice generation at pricing that helps you scale.Our next-gen TTS model surpasses competitors on performance at one-tenth the cost. Enjoy low latency websocket support and mult-speaker voice generation at pricing that helps you scale.Our next-gen TTS model surpasses competitors on performance at one-tenth the cost. Enjoy low latency websocket support and mult-speaker voice generation at pricing that helps you scale.Our next-gen TTS model surpasses competitors on performance at one-tenth the cost. Enjoy low latency websocket support and mult-speaker voice generation at pricing that helps you scale.Our next-gen TTS model surpasses competitors on performance at one-tenth the cost. Enjoy low latency websocket support and mult-speaker voice generation at pricing that helps you scale.Our next-gen TTS model surpasses competitors on performance at one-tenth the cost. Enjoy low latency websocket support and mult-speaker voice generation at pricing that helps you scale.Our next-gen TTS model surpasses competitors on performance at one-tenth the cost. Enjoy low latency websocket support and mult-speaker voice generation at pricing that helps you scale.

Our next-gen TTS model surpasses competitors on performance at one-tenth the cost. Enjoy low latency websocket support and mult-speaker voice generation at pricing that helps you scale.

TTS Property

-speaker voice generation at pricing that helps you scale.Our next-gen TTS model surpasses competitors on performance at one-tenth the cost. Enjoy low latency websocket support and mult-speaker voice generation at pricing that helps you scale.Our next-gen TTS model surpasses competitors on performance at one-tenth the cost. Enjoy low latency websocket support and mult-speaker voice generation at pricing that helps you scale.


Our next-gen TTS model surpasses competitors on performance at onespeaker voice generation at pricing that helps you scale.Our next-gen TTS model surpasses competitors on performance at one-tenth the cost. Enjoyspeaker voice generation at pricing that helps you scale.Our next-gen TTS model surpasses competitors on performance at one-tenth the cost. Enjoyspeaker voice generation at pricing that helps you scale.Our next-gen TTS model surpasses competitors on performance at one-tenth the cost. Enjoy

Signal Noise Ratio

Signal Noise Ratio

Signal Noise Ratio

The signal-to-noise ratio (SNR) is a crucial metric that measures  the amount of useful information vs. false or irrelevant background noise, frequently measured in decibels (dB). Engineers aim to maximize SNR to enhance system performance by minimizing noise interference.

Do you offer any free credits for TTS & ASR?

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We offer a generous free plan for developers with one month of free:

  • 160 hours of text-to-speech generation
  • 1.2 million characters of speech-to-text transcription

What is the monthly subscription?

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Our monthly plan is $20 per month for

  • 160 hours of text-to-speech generation
  • 1.2 million characters of Speech-to-Text transcription

Once you exceed those limits, you can add $5 top-ups to your plan for

  • additional 30hrs of Text-to-Speech
  • additional 300,000 characters of Speech-to-Text

Do you offer voices & transcription other in languages?

drop-down

We currently only have English voice generation & transcription. But we're working on multilingual voice support, expected to roll out in 2-3 months.

Can I create custom voices (voice cloning)?

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Please contact us at founders@snr.audio with your custom voice (voice cloning) usecase. Once approved by our compliance team, you will get access to your custom voice in under 48-72 hours.

Can I use the generated audio & transcription commercially?

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Yes, audio & transcription generated with Signal Noise Labs can be used commercially. You own the license to the generated content to perpetuity.

How do I cancel my subscription?

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You can cancel your subscription at any time. Go to the Subscription panel in the dashboard and click the "Cancel Subscription" button.

app.snr.audio

SNR.Audio

SNR.Audio - Text to Speech and Speech to Text