Microsoft Azure AI Speech vs Unreal Speech

The best way to compare Microsoft Azure AI Speech vs Unreal Speech: audio samples, latency, features, plans, pricing, and more.

Get Started for free
right-arrow

Microsoft Azure AI Speech

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

Unreal Speech

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

Voice Quality

Microsoft Azure AI Speech Samples

Mean Opinion Score
Fiction
3.69
Non-Fiction
3.13
Conversation
3.18

Unreal Speech Samples

Mean Opinion Score
Fiction
4.72
Non-Fiction
4.37
Conversation
3.91

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

Microsoft Azure AI Speech Features

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

Unreal Speech Features

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

Features - Conclusion

  • Shared Capabilities: Essential TTS Features: Unreal Speech and Microsoft Azure AI Speech both offer essential text-to-speech features such as per-word timestamps, pitch control, speed control, and compatibility with phone formats.
  • Advanced Features: Microsoft Azure AI Speech: Microsoft Azure AI Speech stands out with additional capabilities like voice cloning and multi-lingual support, making it more versatile for applications requiring a wide range of voices and languages.

Pricing & Plans

Microsoft Azure AI Speech Pricing

Free

$0/mo

  • 5 hours of audio (~225K chars)

Pay As You Go

$15/mo

  • 1M characters

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

Pricing & Plans - Conclusion

  • Cost-Effective Solution: Unreal Speech's Tiered Plans: Unreal Speech offers a more cost-effective solution across its tiered plans compared to Microsoft Azure AI Speech's Pay As You Go option. At the high end, Unreal Speech's Enterprise plan provides 625M characters for $4999 per month, which translates to significantly more characters per dollar than Azure's Pay As You Go, which would cost $9375 for the same number of characters.
  • Better Value for Large-Scale Deployments: Unreal Speech: For large-scale deployments, Unreal Speech is around 2x cheaper than Microsoft Azure AI Speech, especially when considering the volume of characters offered at the top tier versus Azure's cost per million characters.

Customer Reviews

Microsoft Azure AI Speech Reviews

4.6 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.

No items found.

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.

No items found.

Compare Alternatives

Summary

  • Higher Voice Quality: Unreal Speech: Unreal Speech offers higher voice quality across all types of content but lacks voice cloning and multilingual support.
  • Advanced Capabilities: Microsoft Azure AI Speech: Microsoft Azure AI Speech, while offering voice cloning and multilingual capabilities, scores lower in voice quality assessments.
  • Generous Free Limits and Enterprise Value: Unreal Speech: Unreal Speech provides more generous free character limits and scales up to larger packages for enterprise needs, offering better value for high-volume users.
  • Overall Recommendation: Choosing the Right Service: Overall, Unreal Speech is ideal for users prioritizing high voice quality and cost-effectiveness for large-scale deployments, while Microsoft Azure AI Speech is suitable for those needing advanced features like voice cloning and multilingual support.

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?

drop-down

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?

drop-down

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)?

drop-down

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?

drop-down

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?

drop-down

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