Google Cloud Text-to-Speech vs. Microsoft Azure AI Speech

The best way to compare Google Cloud Text-to-Speech vs. Microsoft Azure AI 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

Speed

0 s

Filesize

0 kb

Google Cloud Text-to-Speech

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

Microsoft Azure AI Speech

Enables your applications, tools, or devices to convert text into human-like synthesized speech.

Voice Quality

Mean Opinion Score

Fiction

3.93

Non-Fiction

3.82

Conversation

3.42

Mean Opinion Score

Fiction

3.69

Non-Fiction

3.13

Conversation

3.18

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.

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 Microsoft Azure AI Speech.
Google's service excels particularly in fiction and non-fiction contexts, indicating a more natural and pleasing synthetic speech output.
This suggests that for applications where voice quality is a critical factor, Google Cloud Text-to-Speech might be the preferable choice.

Features

Voice Cloning

Multi-lingual

Per-word Timestamps

Pitch Control

Speed Control

Phone Formats (e.g. pcm_mulaw)

Voice Cloning

Multi-lingual

Per-word Timestamps

Pitch Control

Speed Control

Phone Formats (e.g. pcm_mulaw)

Both Google Cloud Text-to-Speech and Microsoft Azure AI Speech offer a robust set of features for developers looking to integrate text-to-speech capabilities into their applications, including voice cloning, multi-lingual support, pitch and speed control, and support for phone formats.
However, Microsoft Azure AI Speech distinguishes itself with the addition of per-word timestamps, a feature not available in Google Cloud Text-to-Speech.
This could be a deciding factor for developers who need precise synchronization between the text and the speech output for their applications.

Pricing & Plans

Free

$0/mo

1M characters

Pay As You Go

$16per

1M characters

Free

$0/mo

5 hours of audio (~225K chars)

Pay As You Go

$15per

1M characters

In a direct comparison of pay-as-you-go plans, Microsoft Azure AI Speech offers a slightly more affordable option at $15 per 1 million characters, compared to Google Cloud Text-to-Speech's $16 for the same amount.
This makes Microsoft Azure AI Speech a marginally more cost-effective choice for users looking to process large volumes of text into speech.
However, users should consider their specific needs and usage levels when choosing between these two services.

Customer 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

4.2 out of 5

Average of 88 ratings from leading review sites.

Customers appreciate Azure Text to Speech API for its ease of use, high-quality audio output, and seamless integration with other services. They find it particularly beneficial for accessibility and enhancing user experience across various applications. However, concerns about the cost and limited customization options are frequently mentioned. The API's multilingual support and continuous updates are praised, but some users desire improvements in voice naturalness and additional language options.

Ease of use

Integration

Accessibility

Audio quality

Multilingual support

Naturalness of voice

Cost

Customization

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Summary

In comparing Google Cloud Text-to-Speech and Microsoft Azure AI Speech, Google's service generally offers superior voice quality, making it a better option for applications where the naturalness of speech is paramount.
However, Microsoft Azure AI Speech provides a slightly more cost-effective solution and includes unique features such as per-word timestamps, which may be crucial for certain applications.
Ultimately, the choice between these two services should be based on specific project requirements, balancing considerations of voice quality, feature set, and pricing.

Looking for a better alternative to Google Cloud Text-to-Speech & Microsoft Azure AI Speech?

Try Unreal Speech! You get 250,000 free characters every month.

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Google Cloud Text-to-Speech vs. Microsoft Azure AI Speech

Live Demo

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

Google Cloud Text-to-Speech

Microsoft Azure AI Speech

Voice Quality

Google Cloud Text-to-Speech Samples

Microsoft Azure AI Speech Samples

Voice Quality - Conclusion

Features

Google Cloud Text-to-Speech Features

Microsoft Azure AI Speech Features

Features - Conclusion

Pricing & Plans

Google Cloud Text-to-Speech Pricing

Microsoft Azure AI Speech Pricing

Pricing & Plans - Conclusion

Customer Reviews

Google Cloud Text-to-Speech Reviews

Microsoft Azure AI Speech Reviews

Compare Alternatives

Google Cloud Text-to-Speech Alternatives

Microsoft Azure AI Speech Alternatives

Summary

Looking for a better alternative to Google Cloud Text-to-Speech & Microsoft Azure AI Speech?

Try Unreal Speech! You get 250,000 free characters every month.

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