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Google Cloud Text-to-Speech Alternative

Unreal Speech is up to 2x cheaper, has more realistic voices, and a simpler API, making it the best Google Text-to-Speech alternative.

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Text to speech API - Unreal Speech

Unreal Speech

Cost-effective, scalable Text-to-Speech API with realistic human-like AI 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

Mean Opinion Score
Mean Opinion Score
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.
  • Unreal Speech exhibits superior voice quality across fiction, non-fiction, and conversation categories, as evidenced by its higher Mean Opinion Scores compared to Google Cloud Text-to-Speech.
  • Specifically, it shines in fiction with a notable score of 4.72.
  • This suggests that Unreal Speech offers a more realistic and human-like listening experience.


Voice Cloning
Per-word Timestamps
Pitch Control
Speed Control
Phone Formats (e.g. pcm_mulaw)
Voice Cloning
Per-word Timestamps
Pitch Control
Speed Control
Phone Formats (e.g. pcm_mulaw)
  • Unreal Speech offers a unique set of features tailored for high-quality text-to-speech conversion without voice cloning and multi-lingual capabilities, focusing instead on control over pitch, speed, and providing per-word timestamps.
  • Google Cloud Text-to-Speech, on the other hand, supports voice cloning and multi-lingual text-to-speech, making it versatile for a broader range of applications but lacks per-word timestamp functionality.
  • Both services provide pitch and speed control, as well as support for phone formats.
  • The choice between them would hinge on the specific needs for voice cloning, language support, and detailed audio customization.

Pricing & Plans

250,000 characters
3M characters
Extra: $16 per 1M chars
42M characters
Extra: $12 per 1M chars
150M characters
Extra: $10 per 1M chars
625M characters
Extra: $8 per 1M chars
1M characters
Pay As You Go
1M characters
  • Unreal Speech offers a more cost-effective and scalable pricing structure compared to Google Cloud Text-to-Speech.
  • For example, at the highest tier, Unreal Speech's Enterprise plan provides 625M characters for $4999 per month, which is significantly cheaper than Google Cloud's Pay As You Go rate of $16 per 1M characters.
  • When comparing these rates, Unreal Speech's offering is approximately 2x more cost-efficient for high-volume users, providing a much larger pool of characters for a fixed monthly fee, whereas Google Cloud's model would necessitate a significantly higher expenditure for an equivalent number of characters.

Customer Reviews

4.8 out of 5
Average of 10 ratings from leading review sites.
Customers appreciate Unreal Speech's Text-to-Speech API for its affordability, ease of setup, and generous free tier. They find the API to be a cost-effective solution compared to competitors, with clear documentation and responsive customer support. The API is praised for its natural-sounding voices and seamless integration into various projects. However, customers express a desire for more voice customization options, support for multiple languages and improvements in voice realism.
Ease of setup
Voice quality
Voice realism
Multilingual support
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


  • Unreal Speech provides a higher quality of synthetic voice across different categories compared to Google Cloud Text-to-Speech, evident from its superior Mean Opinion Scores.
  • However, it lacks features like voice cloning and multilingual support, which Google offers.
  • In terms of pricing, Unreal Speech offers more generous free tier limits and scaled pricing options for higher usage needs, making it a cost-effective choice for projects with large volume requirements.
  • Google's model, while potentially more expensive for high usage, provides flexibility with its pay-as-you-go pricing.

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Frequently Asked Questions

How easy is it to switch from Google Cloud Text-to-Speech to Unreal Speech?
  • Very easy, it only takes a few minutes. We give you 250,000 free characters per month, so you can start using our simple text-to-speech API right away.
What makes Unreal Speech particularly appealing for creators focusing on audio books and narrative podcasts?
  • With its superior voice quality, especially in fiction, and features like pitch and speed control, Unreal Speech is particularly appealing for audio book and narrative podcast creators, offering an engaging and immersive listening experience.
Is Unreal Speech a cost-effective solution for startups and individual developers?
  • Absolutely, with a free tier offering 250,000 characters per month, it's an excellent starting point for cost-sensitive projects, providing great value and scalability.
How does the pricing of Unreal Speech compare to Google Cloud Text-to-Speech for high-volume needs?
  • Unreal Speech offers competitively priced plans for high-volume users, such as the Pro plan at $1499 for 150M characters, making it a more economical choice for large-scale deployments compared to Google Cloud's pay-as-you-go model.
What advantages does Unreal Speech offer for developers working on interactive applications?
  • The per-word timestamps feature of Unreal Speech is particularly beneficial for interactive applications, enabling precise timing for spoken words, thus enhancing user interaction and engagement.
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