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Amazon Polly vs. IBM Watson

The best way to compare Amazon Polly vs. IBM Watson: audio samples, features, plans, pricing, and more.

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News
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Conversation
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Voice
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Text to speech API - Amazon Polly

Amazon Polly

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

IBM Watson

Convert text into natural-sounding speech in a variety of languages and voices.

Voice Quality

Amazon Polly Samples

Mean Opinion Score
Fiction
3.00
Non-Fiction
2.51
Conversation
2.63

IBM Watson Samples

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

Amazon Polly Features

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

IBM Watson Features

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

Features - Conclusion

  • Both Amazon Polly and IBM Watson offer a comprehensive set of features for text-to-speech services, including multi-lingual support, per-word timestamps, pitch and speed control, and compatibility with phone formats.
  • However, IBM Watson distinguishes itself with the addition of voice cloning, a feature not available in Amazon Polly.
  • This comparison highlights the advanced capabilities of both services in transforming text into natural-sounding speech, with IBM Watson offering a slightly broader feature set due to its voice cloning capability.

Pricing & Plans

Amazon Polly Pricing

Free
$0/mo
1M characters (for first 12 months only)
Pay As You Go
$16per
1M characters

IBM Watson Pricing

Free
$0/mo
10,000 characters
Standard
$20per
1M characters

Pricing & Plans - Conclusion

  • In a direct comparison of text-to-speech services based on pricing, Amazon Polly emerges as the more cost-effective option over IBM Watson.
  • Amazon Polly's pricing structure offers a 20% cost advantage, making it a preferable choice for users looking for a budget-friendly solution.
  • This assessment strictly considers the financial aspect of the services, highlighting Amazon Polly's lead in affordability.

Customer Reviews

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.
Ease of use
Natural-sounding voices
Integration with AWS
Scalability
Voice inflection
Cost
Customization options

IBM Watson Reviews

4.1 out of 5
Average of 44 ratings from leading review sites.
Customers appreciate IBM Watson Text to Speech for its ease of integration, speed, and support for multiple languages, making it versatile for various applications like education, customer service, and accessibility for the disabled. The ability to customize voice and tone is highly valued. However, some users note issues with pronunciation accuracy, limited language options, and occasional software glitches. The pricing is also considered high for small businesses or individual users.
Ease of integration
Speed
Language support
Customization
Pronunciation accuracy
Software reliability
Pricing
Language diversity

Compare Alternatives

Amazon Polly Alternatives

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

IBM Watson Alternatives

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

Summary

  • In comparing Amazon Polly and IBM Watson for text-to-speech services, Amazon Polly offers a more cost-effective solution with slightly lower voice quality scores, while IBM Watson stands out for its advanced feature set, including voice cloning.
  • Both services provide comprehensive features like multi-lingual support, pitch and speed control, making them versatile options for various text-to-speech needs.
  • Ultimately, the choice between Amazon Polly and IBM Watson may hinge on the specific requirements of users, balancing between cost efficiency and the need for advanced features like voice cloning.

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