Compare Amazon Polly and IBM Watson Text to Speech 
At a Glance
Market Segments
Small-Business (50.0% of reviews)
Small-Business (40.9% of reviews)
Entry-Level Pricing
No pricing available
$0 10,000 characters per month
Amazon Polly
Star Rating
(68)4.4 out of 5
Market Segments
Small-Business (50.0% of reviews)
Entry-Level Pricing
No pricing available
Learn more about Amazon PollyIBM Watson Text to Speech
Star Rating
(44)4.1 out of 5
Market Segments
Small-Business (40.9% of reviews)
Entry-Level Pricing
$0 10,000 characters per month
Browse all 3 pricing plansSummary
AI Generated Summary
AI-generated. Powered by real user reviews.
- Users report that IBM Watson Text to Speech excels in Range of Tones with a score of 9.3, allowing for more expressive speech outputs, while Amazon Polly falls short with a score of 8.2, which may limit the emotional depth in generated audio.
- Reviewers mention that IBM Watson's Text Optimization feature scores an impressive 9.5, indicating a strong ability to enhance the clarity and effectiveness of the text being converted to speech, whereas Amazon Polly's score of 8.3 suggests it may not optimize text as effectively.
- G2 users highlight that IBM Watson's Audio Optimization feature, with a score of 9.0, provides superior sound quality compared to Amazon Polly's 8.4, making it a better choice for applications requiring high audio fidelity.
- Users on G2 note that while both platforms offer AI Text-to-Speech capabilities, IBM Watson scores 9.3, indicating a more advanced and natural-sounding output, compared to Amazon Polly's score of 8.8, which may not meet the same level of user expectations.
- Reviewers mention that IBM Watson's Speech Output features, particularly in Pitch (9.2) and Pronunciation (9.0), are rated higher than Amazon Polly's scores of 8.5 and 8.4 respectively, suggesting that IBM Watson provides a more nuanced and accurate speech synthesis experience.
- Users say that IBM Watson's Video Editing Capabilities score of 9.4 significantly outperforms Amazon Polly's 7.6, making it a preferred choice for users looking to integrate text-to-speech in video projects with advanced editing features.
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Text to Speech
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Pricing
Entry-Level Pricing
Amazon Polly
No pricing availableIBM Watson Text to Speech
Lite
$0
10,000 characters per month
The Lite plan gets you started with 10,000 characters per month at no cost.
Free Trial
Amazon Polly
No trial information availableIBM Watson Text to Speech
Free Trial is available
Ratings
Meets Requirements
8.8
56
8.6
32
Ease of Use
9.0
56
9.0
32
Ease of Setup
8.9
19
8.5
27
Ease of Admin
8.8
20
8.1
25
Quality of Support
8.7
53
8.0
23
Has the product been a good partner in doing business?
8.8
20
7.9
24
Product Direction (% positive)
9.0
56
10.0
32
Features by Category
Integration
8.0
35
8.1
8
8.1
35
8.3
8
Speech Output
8.8
35
8.3
8
8.5
35
9.2
8
8.6
34
7.9
8
8.4
35
9.0
8
8.2
35
8.6
7
7.6
35
7.6
7
7.8
35
8.8
8
Audio Format
8.0
35
8.8
8
7.9
34
8.8
8
8.4
34
9.0
8
Generative AI
Feature Not Available
Feature Not Available
Audio
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Video
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Image
Not enough data
Not enough data
Not enough data
Not enough data
Text
Not enough data
Not enough data
Not enough data
Not enough data
Platform
Not enough data
Not enough data
Not enough data
Not enough data
Generative AI
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Categories
Categories
Shared Categories
Amazon Polly and IBM Watson Text to Speech are categorized as Text to Speech
Unique Categories
Amazon Polly is categorized as Genesys AppFoundry Marketplace
IBM Watson Text to Speech has no unique categories
Reviews
Reviewers' Company Size
Amazon Polly
Small-Business(50 or fewer emp.)
Mid-Market(51-1000 emp.)
Enterprise(> 1000 emp.)
IBM Watson Text to Speech
Small-Business(50 or fewer emp.)
Mid-Market(51-1000 emp.)
Enterprise(> 1000 emp.)
Small-Business
(50 or fewer emp.)
Mid-Market
(51-1000 emp.)
Enterprise
(> 1000 emp.)
Reviewers' Industry
Information Technology and Services
19.1%
Computer Software
8.8%
Telecommunications
5.9%
Hospital & Health Care
4.4%
Accounting
4.4%
Other
57.4%
Computer Software
22.7%
Information Technology and Services
18.2%
Education Management
6.8%
Information Services
4.5%
Higher Education
4.5%
Other
43.2%
Most Helpful Reviews
Amazon Polly
Most Helpful Favorable Review
Jainam S.
Verified User in Banking
The best thing about amazon polly is it incorporates life like voices. You only pay for the synthesized text with an option to cache and replay so you don't pay multiple times for the same text. Additionally it is HIPPA compliant and even PCI DSS compliant
Most Helpful Critical Review
Verified User in Construction
Does rely on other AWS for the best experience.
IBM Watson Text to Speech
Most Helpful Favorable Review
Verified User in Computer Software
The best part of IBM text to speech is the ease of setting it up, With IBM detailed documentation its pretty easy to understand how the service works, what are the key concepts that one needs to understand for customising for each specific requirement using...
Most Helpful Critical Review
Ajay K.
Verified User in Computer Software
Compared to google text to speech it has lots of lags and errors
Jainam S.
Verified User in Banking
The best thing about amazon polly is it incorporates life like voices. You only pay for the synthesized text with an option to cache and replay so you don't pay multiple times for the same text. Additionally it is HIPPA compliant and even PCI DSS compliant
Verified User in Computer Software
The best part of IBM text to speech is the ease of setting it up, With IBM detailed documentation its pretty easy to understand how the service works, what are the key concepts that one needs to understand for customising for each specific requirement using...
Verified User in Construction
Does rely on other AWS for the best experience.
Ajay K.
Verified User in Computer Software
Compared to google text to speech it has lots of lags and errors
Alternatives
Discussions
Is Amazon Polly text to speech free?
3 comments
EA
Yes, completely free with the AWS API. Every 3000 characters need to be divided when downloading.Read more
Can you use Amazon Polly for commercial use?
2 comments
PD
Certainly! Please provide the text in the Unknown Language that you would like me to translate into English.Read more
What can Amazon Polly do?
1 comment
AA
Amazon polly is a tool which converts text content into human speech in various languages.Read more
IBM Watson Text to Speech has no discussions with answers
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