Unreal Speech vs Amazon Polly

The best way to compare Unreal Speech vs Amazon Polly: audio samples, latency, features, plans, pricing, and more.

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Unreal Speech

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

Amazon Polly

Text-to-speech service to transform text into natural-sounding speech using deep learning technologies.

Voice Quality

Unreal Speech Samples

Mean Opinion Score
Fiction
4.72
Non-Fiction
4.37
Conversation
3.91

Amazon Polly Samples

Mean Opinion Score
Fiction
3.00
https://od.lk/s/NjBfMTI3MzMyNzU5Xw/arnold_rpg_dailouge.mp3
Non-Fiction
2.51
https://od.lk/s/NjBfMTI3MzMyNzI0Xw/clyde_site_sample.mp3
Conversation
2.63
https://od.lk/s/NjBfMTI3MzMyNzI0Xw/clyde_site_sample.mp3

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 derivedfrom comprehensive, professionally-conducted evaluations, and are anonymized to ensure unbiased results.

Features

Unreal Speech Features

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

Amazon Polly Features

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

Features - Conclusion

  • Feature Similarities: Unreal Speech and Amazon Polly both offer similar features such as per-word timestamps, pitch control, speed control, and support for phone formats, catering to various audio processing needs.
  • Multi-lingual Support: Amazon Polly has an advantage over Unreal Speech as it supports multi-lingual capabilities, potentially making it a more versatile option for users requiring text-to-speech support in multiple languages.
  • User-Specific Requirements: The choice between Unreal Speech and Amazon Polly may depend on the specific needs of the user, such as the necessity for multi-lingual support or preference for voice quality.
  • Consideration for Decision-Making: Users should consider their specific requirements and priorities when selecting between Unreal Speech and Amazon Polly, weighing factors such as multi-lingual support and desired feature sets.

Pricing & Plans

Unreal Speech Pricing

Free

$0/mo

  • 250,000 characters

Basic

$49/mo

  • 3M characters
  • Extra: $16 per 1M chars

Plus

$499/mo

  • 42M characters
  • Extra: $12 per 1M chars

Pro

$1499/mo

  • 150M characters
  • Extra: $10 per 1M chars

Enterprise

$4999/mo

  • 625M characters
  • Extra: $8 per 1M chars

Amazon Polly Pricing

Free

$0 /mo

  • 1M characters (for first 12 months only)

Pay As You Go

$16 per

  • 1M characters

Pricing & Plans - Conclusion

  • Unreal Speech Pricing Model: Unreal Speech offers a tiered pricing model, ranging from a free tier up to enterprise levels, accommodating usage from 250,000 to 625 million characters per month, providing flexibility for users with varying needs.
  • Amazon Polly Pricing: Amazon Polly features a free tier for the first 12 months and a pay-as-you-go model priced at $16 per 1 million characters thereafter, offering a straightforward pricing structure.
  • Comparison of Highest Tiers: Unreal Speech's Enterprise plan, priced at $4999 for 625 million characters, proves notably more affordable on a per-character basis compared to Amazon Polly's pay-as-you-go rate, potentially saving high-volume users significant costs.
  • Cost Efficiency for High-Volume Usage: Unreal Speech emerges as the more cost-effective option, offering a more affordable solution for users with extensive text-to-speech needs, particularly at the highest usage tiers.
  • Consideration for Budget and Usage: Users should consider their budget constraints and anticipated usage levels when deciding between Unreal Speech and Amazon Polly, weighing the cost-effectiveness of each option for their specific requirements.

Customer Reviews

Unreal Speech 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.

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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.

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Summary

  • Voice Quality: Unreal Speech excels in voice quality with higher Mean Opinion Scores across all categories compared to Amazon Polly, indicating a more lifelike and engaging listening experience.
  • Scalable Pricing: Despite its lack of multilingual support, Unreal Speech offers scalable pricing options suitable for a wide range of needs, ranging from free to enterprise levels, providing flexibility for users with varying requirements.
  • Amazon Polly Features: Amazon Polly offers multilingual support and a generous initial free tier but falls behind in voice quality compared to Unreal Speech.
  • Application Suitability: Unreal Speech stands out for applications demanding high-quality voice output, with advanced features like pitch and speed control standard across both services, making it an attractive option for users prioritizing voice quality and customization.

TTS Property

Our next-gen TTS model surpasses competitors on performance at one-tenth the cost. Enjoy low latency websocket support and mult-speaker voice generation at pricing that helps you scale.Our next-gen TTS model surpasses competitors on performance at one-tenth the cost. Enjoy low latency websocket support and mult-speaker voice generation at pricing that helps you scale.Our next-gen TTS model surpasses competitors on performance at one-tenth the cost. Enjoy low latency websocket support and mult-speaker voice generation at pricing that helps you scale.Our next-gen TTS model surpasses competitors on performance at one-tenth the cost. Enjoy low latency websocket support and mult-speaker voice generation at pricing that helps you scale.Our next-gen TTS model surpasses competitors on performance at one-tenth the cost. Enjoy low latency websocket support and mult-speaker voice generation at pricing that helps you scale.Our next-gen TTS model surpasses competitors on performance at one-tenth the cost. Enjoy low latency websocket support and mult-speaker voice generation at pricing that helps you scale.Our next-gen TTS model surpasses competitors on performance at one-tenth the cost. Enjoy low latency websocket support and mult-speaker voice generation at pricing that helps you scale.Our next-gen TTS model surpasses competitors on performance at one-tenth the cost. Enjoy low latency websocket support and mult-speaker voice generation at pricing that helps you scale.

Our next-gen TTS model surpasses competitors on performance at one-tenth the cost. Enjoy low latency websocket support and mult-speaker voice generation at pricing that helps you scale.

TTS Property

-speaker voice generation at pricing that helps you scale.Our next-gen TTS model surpasses competitors on performance at one-tenth the cost. Enjoy low latency websocket support and mult-speaker voice generation at pricing that helps you scale.Our next-gen TTS model surpasses competitors on performance at one-tenth the cost. Enjoy low latency websocket support and mult-speaker voice generation at pricing that helps you scale.


Our next-gen TTS model surpasses competitors on performance at onespeaker voice generation at pricing that helps you scale.Our next-gen TTS model surpasses competitors on performance at one-tenth the cost. Enjoyspeaker voice generation at pricing that helps you scale.Our next-gen TTS model surpasses competitors on performance at one-tenth the cost. Enjoyspeaker voice generation at pricing that helps you scale.Our next-gen TTS model surpasses competitors on performance at one-tenth the cost. Enjoy

Signal Noise Ratio

Signal Noise Ratio

Signal Noise Ratio

The signal-to-noise ratio (SNR) is a crucial metric that measures  the amount of useful information vs. false or irrelevant background noise, frequently measured in decibels (dB). Engineers aim to maximize SNR to enhance system performance by minimizing noise interference.

Do you offer any free credits for TTS & ASR?

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We offer a generous free plan for developers with one month of free:

  • 160 hours of text-to-speech generation
  • 1.2 million characters of speech-to-text transcription

What is the monthly subscription?

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Our monthly plan is $20 per month for

  • 160 hours of text-to-speech generation
  • 1.2 million characters of Speech-to-Text transcription

Once you exceed those limits, you can add $5 top-ups to your plan for

  • additional 30hrs of Text-to-Speech
  • additional 300,000 characters of Speech-to-Text

Do you offer voices & transcription other in languages?

drop-down

We currently only have English voice generation & transcription. But we're working on multilingual voice support, expected to roll out in 2-3 months.

Can I create custom voices (voice cloning)?

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Please contact us at founders@snr.audio with your custom voice (voice cloning) usecase. Once approved by our compliance team, you will get access to your custom voice in under 48-72 hours.

Can I use the generated audio & transcription commercially?

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Yes, audio & transcription generated with Signal Noise Labs can be used commercially. You own the license to the generated content to perpetuity.

How do I cancel my subscription?

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You can cancel your subscription at any time. Go to the Subscription panel in the dashboard and click the "Cancel Subscription" button.

app.snr.audio

SNR.Audio

SNR.Audio - Text to Speech and Speech to Text