Compare Azure AI Speech
Details side-by-side comparison of Azure AI Speech against top competitors.
Detailed Comparison
Azure AI Speech
Text-to-speech in Microsoft's Azure AI Speech service, with standard, HD and custom voices
TTSAPICloud
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
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