Compare Azure AI Speech

Details side-by-side comparison of Azure AI Speech against top competitors.

Detailed Comparison

Pricing
Model
Pay-as-you-go, per character
Pay-as-you-go, per character
Starting Price
Not stated on the page we checked
$4.00 per 1 million characters (Standard)
Has Free Version
Plan Summary
Free (F0) Neural: 0.5 million characters a monthPaid rates per 1M characters: dollar amounts not stated on the page we checked
Standard $4.00 per 1M charactersNeural $16.00 per 1M charactersLong-Form $100.00 per 1M charactersGenerative $30 per 1M characters
Other Specifications
Product Type
Text-to-SpeechAPI
Text-to-SpeechAPI
Language Support
Languages Supported
100+ languages and locales (standard voices, Microsoft Learn)
over 40 languages and language variants (vendor figure)
Voice Quality
Quality Rating
Not stated on the page we checked
Not stated on the page we checked
Tonal Description
Standard neural voices, HD voices, custom and personal voices
Voice types listed: Standard, Neural, Long-Form and Generative
Voice Count
Total Voices
Not stated on the page we checked
100+
Categories
Standard neural, HD, custom, personal
Male and female voices
Ease of Use
Usability Rating
Developer-oriented (SDK, REST)
Developer-oriented (API)
User Experience
Audio Content Creation tool in Speech Studio for no-code use
Not stated on the page we checked
Integrations
API Availability
Yes, Speech SDK, REST API and batch synthesis API
Yes, API service
Platform Integrations
N/A
N/A
Use Cases
Primary Use Cases
Chatbots and voice assistantsAudiobooksIn-car navigation
N/A
Applications
As listed on Microsoft Learn
Not stated on the page we checked
Text to Speech Features
SSML Support
API Access
Multi Language
Emotional Impulse
N/A
N/A
Voice Cloning
N/A
Character/Word Limits
Plan Limits
Per-character billing; Chinese characters count as two
Per-character billing
Monthly Limit
Free (F0) Neural: 0.5 million characters a month
Free: Standard 5M, Neural 1M, Long-Form 500K, Generative 100K characters a month (see free tier terms)
Commercial Rights
Included
N/A
N/A
Licensing Terms
Not stated on the page we checked
Stored audio can be used for redistribution, analysis, archiving or any other use case at no extra cost; other commercial terms not stated on the page we checked
File Formats
Supported Formats
N/A
MP3OGG
Export Options
Formats not stated on the page we checked; models available at 24 kHz and 48 kHz
MP3, OGG and other standard audio formats
Customer Support
Support Channels
N/A
N/A
Priority Support
N/A
N/A

Find Your Perfect Voice AI Solution

Choosing the right text-to-speech platform impacts user experience and production costs. Let our comparison guide your decision.