Amazon Polly vs OpenAI Text-to-Speech

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

OpenAI Text-to-Speech
Voice Quality
Amazon Polly Samples
OpenAI Text-to-Speech Samples
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
Amazon Polly Features












OpenAI Text-to-Speech Features












Features - Conclusion
- Feature-Rich Amazon Polly: Amazon Polly stands out with a comprehensive suite of text-to-speech features. It supports voice cloning, per-word timestamps, pitch control, speed control, and compatibility with various phone formats. These features allow for extensive customization and precise control over voice outputs, making it suitable for complex applications that require detailed audio manipulation.
- Limited Features in OpenAI Text-to-Speech: In contrast, OpenAI Text-to-Speech offers a more basic set of features, lacking the advanced capabilities such as voice cloning and pitch control. While it supports multiple languages, it doesn't provide the same level of control and customization as Amazon Polly.
- Versatility of Amazon Polly: The additional features of Amazon Polly make it a more versatile choice for a wide range of text-to-speech needs. Whether it's creating personalized voice experiences or syncing audio perfectly with visual content, Amazon Polly offers the tools to achieve high-quality results.
Pricing & Plans
Amazon Polly Pricing
Free
$0 /mo
- 1M characters (for first 12 months only)
Pay As You Go
$16 per
- 1M characters
OpenAI Text-to-Speech Pricing
Pay As You Go
$15/mo
- 1M characters
- Optimized for speed
Pay As You Go (TTS HD)
$30/mo
- 1M characters
- Optimized for quality
Pricing & Plans - Conclusion
- Amazon Polly's Free Tier: Amazon Polly provides a generous free tier for the first 12 months, offering significant text-to-speech conversions at no cost. This feature is particularly attractive for new users or smaller projects testing text-to-speech technologies.
- Cost-Effectiveness of OpenAI Text-to-Speech: OpenAI Text-to-Speech, while not offering a free tier, features a slightly lower ongoing cost than Amazon Polly. This pricing advantage is ideal for long-term or high-volume users who require a cost-efficient text-to-speech service over extended periods.
- Choosing Between the Two: The choice between Amazon Polly and OpenAI Text-to-Speech depends on the user’s specific needs and usage patterns. Amazon Polly is better for those starting out or needing temporary text-to-speech services due to its initial free offer, while OpenAI Text-to-Speech is more suitable for sustained, heavier use due to its overall cost-effectiveness.
Customer Reviews
Amazon Polly Reviews
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.


OpenAI Text-to-Speech Reviews
Compare Alternatives
Amazon Polly Alternatives
OpenAI Text-to-Speech Alternatives
Summary
- Amazon Polly’s Features: Amazon Polly offers a rich set of features, including extensive voice customization options and a free tier for the first 12 months, making it ideal for those who need detailed control and a cost-effective start.
- OpenAI Text-to-Speech Pricing: OpenAI Text-to-Speech, while more limited in features, provides a slightly more affordable long-term pricing model, appealing to users focused on lower ongoing costs.
- Choosing Between the Two: The decision depends on the user’s priorities. Amazon Polly is suitable for those valuing advanced features and initial savings. OpenAI Text-to-Speech is better for users prioritizing long-term affordability. The choice between Amazon Polly and OpenAI Text-to-Speech will vary based on whether advanced features and cost savings or more consistent long-term affordability align better with the user's needs.
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.
TTS Property
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
Do you offer any free credits for TTS & ASR?
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?
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?
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)?
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?
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?
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 - Text to Speech and Speech to Text
