OpenAI Text-to-Speech vs. Google Cloud Text-to-Speech

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

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Live Demo

Non-Fiction

Fiction

News

Blog

Conversation

0/250

Speed

0 s

Filesize

0 kb

OpenAI Text-to-Speech

Convert text into lifelike spoken audio using one of the six built-in voices.

Google Cloud Text-to-Speech

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

Voice Quality

Mean Opinion Score

Fiction

N/A

Non-Fiction

N/A

Conversation

N/A

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.

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)

In comparing the features of OpenAI Text-to-Speech and Google Cloud Text-to-Speech, it's evident that Google Cloud offers a more feature-rich service.
Google Cloud supports voice cloning, pitch and speed control, and compatibility with phone formats, which OpenAI does not.
Additionally, both services support multi-lingual capabilities, but Google Cloud's broader range of features makes it a more versatile option for developers seeking to create natural-sounding, synthetic human speech.

Pricing & Plans

Pay As You Go

$15per

1M characters

Optimized for speed

Pay As You Go (TTS HD)

$30per

1M characters

Optimized for quality

Free

$0/mo

1M characters

Pay As You Go

$16per

1M characters

Google Cloud Text-to-Speech stands out for initial or low-volume users with its free offering for the first 1M characters, making it an excellent choice for those starting out or with minimal needs.
For users with higher volume requirements, OpenAI Text-to-Speech becomes the more economical option due to its slightly lower ongoing costs.
Overall, the choice between the two services depends on the user's volume of usage, with Google Cloud offering better initial value and OpenAI providing cost benefits for more extensive use.

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Summary

When comparing OpenAI Text-to-Speech and Google Cloud Text-to-Speech, Google Cloud emerges as the more versatile and feature-rich option, offering advanced functionalities like voice cloning, pitch and speed control, and a broader range of audio formats.
Although OpenAI presents a slightly more cost-effective solution for high-volume users, Google Cloud's free tier for the first 1M characters provides exceptional value for new or low-volume users.
Overall, Google Cloud Text-to-Speech not only offers better initial value but also a more comprehensive set of features, making it a superior choice for developers seeking to create high-quality, natural-sounding synthetic speech.

Looking for a better alternative to OpenAI Text-to-Speech & Google Cloud Text-to-Speech?

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

Get Started for Free →

OpenAI Text-to-Speech vs. Google Cloud Text-to-Speech

Live Demo

OpenAI Text-to-Speech

Google Cloud Text-to-Speech

Voice Quality

OpenAI Text-to-Speech Samples

Google Cloud Text-to-Speech Samples

Features

OpenAI Text-to-Speech Features

Google Cloud Text-to-Speech Features

Features - Conclusion

Pricing & Plans

OpenAI Text-to-Speech Pricing

Google Cloud Text-to-Speech Pricing

Pricing & Plans - Conclusion

Compare Alternatives

OpenAI Text-to-Speech Alternatives

Google Cloud Text-to-Speech Alternatives

Summary

Looking for a better alternative to OpenAI Text-to-Speech & Google Cloud Text-to-Speech?

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

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