Compare Azure Text to Speech API and IBM Watson Text to Speech 
At a Glance
Market Segments
Small-Business (51.7% of reviews)
Small-Business (40.9% of reviews)
Entry-Level Pricing
No pricing available
$0 10,000 characters per month
Azure Text to Speech API
Star Rating
(88)4.2 out of 5
Market Segments
Small-Business (51.7% of reviews)
Entry-Level Pricing
No pricing available
Learn more about Azure Text to Speech APIIBM 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.
- Reviewers mention 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 Azure Text to Speech API scores lower at 8.6 in this area.
- Users report that Azure Text to Speech API offers superior Speed of Generation with a score of 9.1 compared to IBM Watson's 8.6, making it a better choice for applications requiring quick responses.
- G2 users highlight that IBM Watson provides a wider Range of Tones with a score of 9.3, which enhances the expressiveness of the speech, whereas Azure's score of 8.6 indicates less variety in tonal options.
- Users on G2 say that Azure Text to Speech API has a better Volume control feature, scoring 9.1, which allows for more precise adjustments compared to IBM Watson's score of 8.3.
- Reviewers mention that IBM Watson's Voice Cloning feature, scoring 8.3, is slightly less advanced than Azure's 8.6, indicating that Azure may provide more realistic and customizable voice options.
- Users report that both platforms perform well in AI Text-to-Speech, but Azure leads slightly with a score of 9.0 compared to IBM Watson's 8.8, suggesting Azure may have a slight edge in generating natural-sounding speech from text.
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Text to Speech
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Pricing
Entry-Level Pricing
Azure Text to Speech API
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
Azure Text to Speech API
No trial information availableIBM Watson Text to Speech
Free Trial is available
Ratings
Meets Requirements
8.1
71
8.6
32
Ease of Use
8.7
71
9.0
32
Ease of Setup
7.5
45
8.5
27
Ease of Admin
7.5
44
8.1
25
Quality of Support
7.8
65
8.0
23
Has the product been a good partner in doing business?
7.8
42
7.9
24
Product Direction (% positive)
8.7
70
10.0
32
Features by Category
Integration
8.8
32
8.1
8
8.8
32
8.3
8
Speech Output
9.1
32
8.3
8
8.7
31
9.2
8
8.9
31
7.9
8
8.8
32
9.0
8
8.8
32
8.6
7
8.3
32
7.6
7
8.6
32
8.8
8
Audio Format
8.5
32
8.8
8
8.6
32
8.8
8
8.7
31
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
Azure Text to Speech API and IBM Watson Text to Speech are categorized as Text to Speech
Unique Categories
Azure Text to Speech API has no unique categories
IBM Watson Text to Speech has no unique categories
Reviews
Reviewers' Company Size
Azure Text to Speech API
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
21.8%
Computer Software
20.7%
Hospital & Health Care
4.6%
Education Management
4.6%
Consulting
2.3%
Other
46.0%
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
Azure Text to Speech API
Most Helpful Favorable Review
Angela W.
Verified User in Marketing and Advertising
The option to pay as you go, for applications is amazing. It works well when hosted on Azure. Delivers output in standard WAV format.
Most Helpful Critical Review
Joatham Rodrigo B.
Verified User in Information Technology and Services
The automation or capability of integrate with other NLP services, for example to add interaction with the user. Also to speech technical words.
IBM Watson Text to Speech
Most Helpful Favorable Review
Verified User in Information Technology and Services
accurate conversion and minimal latenxy
Most Helpful Critical Review
Verified User in Market Research
Nothing so far because it helps to make my work easier
Angela W.
Verified User in Marketing and Advertising
The option to pay as you go, for applications is amazing. It works well when hosted on Azure. Delivers output in standard WAV format.
Verified User in Information Technology and Services
accurate conversion and minimal latenxy
Joatham Rodrigo B.
Verified User in Information Technology and Services
The automation or capability of integrate with other NLP services, for example to add interaction with the user. Also to speech technical words.
Verified User in Market Research
Nothing so far because it helps to make my work easier
Alternatives
Discussions
Azure Text to Speech API has no discussions with answers
IBM Watson Text to Speech has no discussions with answers
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