Responsive, natural-sounding text-to-speech to power voicebots and conversational AI applications.
Voice Quality
Unreal Speech Samples
Mean Opinion Score
Fiction
4.72
Non-Fiction
4.37
Conversation
3.91
Deepgram Aura Samples
Mean Opinion Score
Fiction
N/A
Non-Fiction
N/A
Conversation
N/A
Mean Opinion Score (MOS) is a numerical measure that represents the perceived quality of audio samples, commonly used in evaluating text-to-speech systems.
The score ranges from 1 to 5, with 1 indicating poor quality and 5 signifying excellent quality.
These scores are derived from comprehensive, professionally-conducted evaluations, and are anonymized to ensure unbiased results.
Features
Unreal Speech Features
Voice Cloning
Multi-lingual
Per-word Timestamps
Pitch Control
Speed Control
Phone Formats (e.g. pcm_mulaw)
Deepgram Aura Features
Voice Cloning
Multi-lingual
Per-word Timestamps
Pitch Control
Speed Control
Phone Formats (e.g. pcm_mulaw)
Features - Conclusion
Unreal Speech offers a more versatile and customizable text-to-speech service with features such as per-word timestamps, pitch control, and speed control, which are not available in Deepgram Aura.
Additionally, Unreal Speech supports phone formats, a feature also found in Deepgram Aura, but lacks multi-lingual capabilities and voice cloning, which are absent in both services.
Overall, Unreal Speech provides a broader set of features for users seeking more control over their text-to-speech output.
Pricing & Plans
Unreal Speech Pricing
Free
$0/mo
250,000 characters
Basic
$49/mo
3M characters
Extra: $16 per 1M chars
Plus
$499/mo
42M characters
Extra: $12 per 1M chars
Pro
$1499/mo
150M characters
Extra: $10 per 1M chars
Enterprise
$4999/mo
625M characters
Extra: $8 per 1M chars
Deepgram Aura Pricing
Pay As You Go
$15per
1M characters
Growth
$4k-10k/year
Pre-paid credits for entire year
Cost: $13.50 per 1M chars
Pricing & Plans - Conclusion
Unreal Speech offers a range of plans that become more cost-effective at higher volumes, making it an attractive option for users with predictable, high-volume text-to-speech needs.
Deepgram Aura, on the other hand, provides flexibility with its Pay As You Go plan, catering to users with variable usage patterns, though it may come at a higher cost for those with consistent high-volume requirements.
Overall, Unreal Speech is suited for users looking for cost efficiency at scale, while Deepgram Aura is ideal for those seeking flexible usage without a monthly commitment.
Unreal Speech emerges as a more versatile and cost-effective text-to-speech service, offering a wide range of customizable features and scalable pricing plans that cater to high-volume users.
Despite lacking in multi-lingual capabilities and voice cloning, its superior voice quality and control options make it a strong choice for users prioritizing realism and customization in their text-to-speech applications.
Deepgram Aura, while less feature-rich and potentially more costly for consistent high-volume use, offers a flexible Pay As You Go plan that may appeal to users with variable text-to-speech needs.
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Frequently Asked Questions
How easy is it to switch from Deepgram Aura to Unreal Speech?
Very easy, it only takes a few minutes. We give you 250,000 free characters per month, so you can start using our simple text-to-speech API right away.
What's the best plan for a small project or startup experimenting with text-to-speech?
The best plan for small projects or startups would be the Free plan from Unreal Speech, as it provides 250,000 characters per month at no cost, making it ideal for experimentation and low-volume use.
For a project that requires precise synchronization between text and speech, which service is more appropriate?
Unreal Speech is more appropriate for projects requiring precise synchronization between text and speech, as it provides per-word timestamps, unlike Deepgram Aura.
This feature is invaluable for subtitle generation, interactive applications that highlight words as they are spoken, or detailed linguistic analysis.
What is the best option for high-volume text-to-speech needs in terms of cost and features?
For high-volume needs, Unreal Speech's Enterprise plan is the best option, offering 625M characters for $4999 per month with the lowest additional character rate, combined with advanced features like pitch and speed control.
Which service provides better support for integration into existing telecommunication systems?
Both services support phone formats, such as pcm_mulaw, making them potentially suitable for integration into existing telecommunication systems.
The choice between them would depend on other specific requirements such as voice quality or customization needs.