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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 Text Optimization with a score of 9.5, allowing for highly refined and contextually appropriate speech output, while Amazon Polly scores lower at 8.3 in the same category, indicating less flexibility in text adjustments.
- Reviewers mention that IBM Watson offers superior Range of Tones with a score of 9.3, providing a more diverse auditory experience compared to Amazon Polly's score of 8.2, which may limit the emotional expressiveness of the generated speech.
- G2 users highlight that IBM Watson's Audio Optimization feature is rated at 9.0, ensuring high-quality sound output, whereas Amazon Polly's score of 8.4 suggests it may not deliver the same level of audio clarity and richness.
- Users on G2 note that IBM Watson's Voice Cloning feature is rated at 8.3, allowing for more personalized voice outputs, while Amazon Polly's score of 8.2 indicates a slightly less advanced capability in this area.
- Reviewers say that IBM Watson's Speech Output features, particularly in Pitch (9.2) and Pronunciation (9.0), are superior to Amazon Polly's scores of 8.5 and 8.4 respectively, leading to more natural and accurate speech synthesis.
- Users report that while both platforms offer AI Text-to-Speech capabilities, IBM Watson's score of 9.3 outshines Amazon Polly's 8.8, indicating a more advanced and effective text-to-speech conversion process.
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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
8.9
29
8.8
7
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
Agentic AI - Genesys AppFoundry Marketplace
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
Verified User in Translation and Localization
Amazon Polly provides a variety of voices that are designed to sound as natural as possible. It was very easy to integrate and the customer support was along with me until i finished the process.
Most Helpful Critical Review
Nathan B.
Verified User in Health, Wellness and Fitness
Nothing really. It looks like an easy product to use
IBM Watson Text to Speech
Most Helpful Favorable Review
Verified User in Wireless
its easy to use service with-in IBM cloud , making it easy to connect with your application
Most Helpful Critical Review
Ajay K.
Verified User in Computer Software
Compared to google text to speech it has lots of lags and errors
Verified User in Translation and Localization
Amazon Polly provides a variety of voices that are designed to sound as natural as possible. It was very easy to integrate and the customer support was along with me until i finished the process.
Verified User in Wireless
its easy to use service with-in IBM cloud , making it easy to connect with your application
Nathan B.
Verified User in Health, Wellness and Fitness
Nothing really. It looks like an easy product to use
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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