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Amazon Polly vs. Google Cloud Text-to-Speech

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

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Live Demo

Try our text-to-speech API. Click a button to generate random text:

Non-Fiction
Fiction
News
Blog
Conversation
0/250
Voice
Format
Normal
Speed
Filesize
0 kb
Text to speech API - Amazon Polly

Amazon Polly

Text-to-speech service to transform text into natural-sounding speech using deep learning technologies.
Text to speech API - Google Cloud Text-to-Speech

Google Cloud Text-to-Speech

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

Voice Quality

Amazon Polly Samples

Mean Opinion Score
Fiction
3.00
Non-Fiction
2.51
Conversation
2.63

Google Cloud Text-to-Speech Samples

Mean Opinion Score
Fiction
3.93
Non-Fiction
3.82
Conversation
3.42
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 derived from comprehensive, professionally-conducted evaluations, and are anonymized to ensure unbiased results.

Voice Quality - Conclusion

  • Based on the Mean Opinion Scores provided, Google Cloud Text-to-Speech generally offers higher voice quality across fiction, non-fiction, and conversation categories compared to Amazon Polly.
  • Google Cloud's service achieves particularly notable superiority in fiction and non-fiction voice quality.
  • This suggests that for applications requiring more natural-sounding speech, Google Cloud Text-to-Speech might be the preferable choice.

Features

Amazon Polly Features

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

Google Cloud Text-to-Speech Features

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

Features - Conclusion

  • Both Amazon Polly and Google Cloud Text-to-Speech offer a range of features to customize and enhance the text-to-speech experience, including multi-lingual support, pitch and speed control, and support for various phone formats.
  • However, Google Cloud Text-to-Speech distinguishes itself with the addition of voice cloning capabilities, a feature not available in Amazon Polly.
  • Conversely, Amazon Polly offers per-word timestamps, a feature absent in Google Cloud Text-to-Speech, potentially making it more suitable for applications requiring precise synchronization between text and speech.

Pricing & Plans

Amazon Polly Pricing

Free
$0/mo
1M characters (for first 12 months only)
Pay As You Go
$16per
1M characters

Google Cloud Text-to-Speech Pricing

Free
$0/mo
1M characters
Pay As You Go
$16per
1M characters

Pricing & Plans - Conclusion

  • In the first 12 months, both Amazon Polly and Google Cloud Text-to-Speech offer comparable value with their free plans, providing a generous allowance for users to explore their services.
  • Beyond the initial year, Google Cloud Text-to-Speech potentially edges out Amazon Polly by offering a free tier that appears to extend indefinitely, making it a more attractive option for long-term use.
  • For users exceeding the free tier or after the first year, both services are priced equally, making them competitive choices for those focusing solely on cost.

Customer Reviews

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.
Ease of use
Natural-sounding voices
Integration with AWS
Scalability
Voice inflection
Cost
Customization options

Google Cloud Text-to-Speech Reviews

4.6 out of 5
Average of 163 ratings from leading review sites.
Customers appreciate Google Cloud Text-to-Speech for its multilingual support, high-quality voices, and ease of integration. It is praised for its ability to handle various languages and accents, making it versatile for different applications. However, users are dissatisfied with its dependency on internet connectivity and find the pricing structure confusing and potentially costly. The lack of offline functionality is a significant drawback for many. Despite these issues, the service is valued for its accessibility features and seamless integration with other Google services.
Multilingual support
Voice quality
Ease of integration
Internet dependency
Pricing transparency
Offline functionality

Compare Alternatives

Amazon Polly Alternatives

Amazon Polly vs. Unreal Speech
Amazon Polly vs. ElevenLabs
Amazon Polly vs. Play.ht
Amazon Polly vs. Microsoft Azure AI Speech
Amazon Polly vs. OpenAI Text-to-Speech
Amazon Polly vs. Murf API
Amazon Polly vs. Neets.ai
Amazon Polly vs. IBM Watson
Amazon Polly vs. Resemble.AI
Amazon Polly vs. LOVO AI
Amazon Polly vs. Deepgram Aura

Google Cloud Text-to-Speech Alternatives

Google Cloud Text-to-Speech vs. Unreal Speech
Google Cloud Text-to-Speech vs. ElevenLabs
Google Cloud Text-to-Speech vs. Play.ht
Google Cloud Text-to-Speech vs. Microsoft Azure AI Speech
Google Cloud Text-to-Speech vs. OpenAI Text-to-Speech
Google Cloud Text-to-Speech vs. Murf API
Google Cloud Text-to-Speech vs. Neets.ai
Google Cloud Text-to-Speech vs. IBM Watson
Google Cloud Text-to-Speech vs. Resemble.AI
Google Cloud Text-to-Speech vs. LOVO AI
Google Cloud Text-to-Speech vs. Deepgram Aura

Summary

  • In comparing Amazon Polly and Google Cloud Text-to-Speech, Google Cloud emerges as the superior option in terms of voice quality, particularly for fiction and non-fiction content, and offers unique features like voice cloning.
  • While both services provide competitive pricing and a range of customization options, Amazon Polly's exclusive feature of per-word timestamps may appeal to specific use cases requiring detailed synchronization.
  • Overall, Google Cloud Text-to-Speech presents a more compelling choice for users prioritizing natural-sounding speech and long-term value, though Amazon Polly remains a strong contender for projects with specific technical requirements.

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