Compare Synthesys
Details side-by-side comparison of Synthesys against top competitors.
Detailed Comparison
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Azure AI Speech
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Azure AI Speech
Text-to-speech in Microsoft's Azure AI Speech service, with standard, HD and custom voices
TTSAPICloud
Pricing
| Model | Freemium | Pay-as-you-go, per character |
| Starting Price | $20/month | Not stated on the page we checked |
| Has Free Version | ||
| Plan Summary | Personal (~$20)Creator (~$41)Business (~$69) tier optionsunified credits for voices/video | Free (F0) Neural: 0.5 million characters a monthPaid rates per 1M characters: dollar amounts not stated on the page we checked |
Other Specifications
| Product Type | Text-to-SpeechVoice CloningAI Video GenerationAI Dubbing | Text-to-SpeechAPI |
Use Cases
| Primary Use Cases | VoiceoversVideosAdsUGCPodcastsDubbingAvatars | Chatbots and voice assistantsAudiobooksIn-car navigation |
| Applications | AI video latent technology, media production, and studio editing | As listed on Microsoft Learn |
Text to Speech Features
| API Access | ||
| Multi Language | ||
| Emotional Impulse | N/A | |
| Voice Cloning | ||
| SSML Support |
File Formats
| Supported Formats | MP3WAVMP4 | N/A |
| Export Options | Exports audio (MP3/WAV) and video (MP4) depending on feature | Formats not stated on the page we checked; models available at 24 kHz and 48 kHz |
Ease of Use
| Usability Rating | Moderate | Developer-oriented (SDK, REST) |
| User Experience | Full studio/dashboard interface with many features | Audio Content Creation tool in Speech Studio for no-code use |
Customer Support
| Priority Support | N/A | |
| Support Channels | Email | N/A |
Integrations
| Platform Integrations | Canva | N/A |
| API Availability | Available (enterprise contact likely) | Yes, Speech SDK, REST API and batch synthesis API |
Language Support
| Accent Variety | Wide range | - |
| Languages Supported | more than 140 languages & dialects supported | 100+ languages and locales (standard voices, Microsoft Learn) |
Voice Quality
| Tonal Description | High-quality, life-like voices with varying realism; designed for media/video use | Standard neural voices, HD voices, custom and personal voices |
| Quality Rating | High | Not stated on the page we checked |
Voice Count
| Total Voices | 700+ voices / 1000+ depending on listing | Not stated on the page we checked |
| Categories | Voices, video avatars, and unified credits system | Standard neural, HD, custom, personal |
Character/Word Limits
| Monthly Limit | Plan dependent (e.g., 300/900/2400+ credits) | Free (F0) Neural: 0.5 million characters a month |
| Plan Limits | Uses credits (seconds/units); unlimited options available on certain tiers | Per-character billing; Chinese characters count as two |
Commercial Rights
| Included | N/A | |
| Licensing Terms | Paid plans include commercial use rights; free demo limited | Not stated on the page we checked |
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.