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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

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 - OpenAI Text-to-Speech

OpenAI Text-to-Speech

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

OpenAI Text-to-Speech Samples

Mean Opinion Score
Fiction
N/A
Non-Fiction
N/A
Conversation
N/A

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.

Features

OpenAI Text-to-Speech 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

  • 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

OpenAI Text-to-Speech Pricing

Pay As You Go
$15per
1M characters
Optimized for speed
Pay As You Go (TTS HD)
$30per
1M characters
Optimized for quality

Google Cloud Text-to-Speech Pricing

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

Pricing & Plans - Conclusion

  • 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.

Compare Alternatives

OpenAI Text-to-Speech Alternatives

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

Google Cloud Text-to-Speech Alternatives

Google Cloud Text-to-Speech vs. Unreal Speech
Google Cloud Text-to-Speech vs. Amazon Polly
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. 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

  • 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.

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