Amazon Polly Alternative
Unreal Speech is up to 2x cheaper, has more realistic voices, and a simpler API, making it the best Amazon Polly alternative.
Live Demo
Voice Options
Voices
- Sierra
- Autumn
- Melody
- Hannah
- Emily
- Ivy
- Kaitlyn
- Luna
- Willow
- Lauren
- Noah
- Jasper
- Caleb
- Ronan
- Ethan
- Daniel
- Zane
- Rowan
Languages
- 🇺🇸 US English
- 🇬🇧 UK English
- 🇨🇳 Mandarin Chinese
- 🇮🇳 Hindi
- 🇪🇸 Spanish
- 🇧🇷 Portuguese
- 🇯🇵 Japanese
- 🇫🇷 French
- 🇮🇹 Italian
Formats
- Standard
- MP3
- Phone Call
- PCM µ-law
Synthesize Options
- Speed: 1.0
- Pitch: Normal
Synthesize
Voice Quality
Unreal Speech Samples
| Category | Mean Opinion Score |
|---|---|
| Fiction | 4.72 |
| Non-Fiction | 4.37 |
| Conversation | 3.91 |
Amazon Polly Samples
| Category | Mean Opinion Score |
|---|---|
| Fiction | 3.00 |
| Non-Fiction | 2.51 |
| Conversation | 2.63 |
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.
Voice Quality - Conclusion
- Unreal Speech significantly outperforms Amazon Polly in voice quality across fiction, non-fiction, and conversation categories.
- Users can expect a more engaging and pleasant listening experience from Unreal Speech.
Features
Unreal Speech Features
- Voice Cloning
- Multi-lingual
- Per-word Timestamps
- Pitch Control
- Speed Control
- Phone Formats (e.g. pcm_mulaw)
Amazon Polly Features
- Voice Cloning
- Multi-lingual
- Per-word Timestamps
- Pitch Control
- Speed Control
- Phone Formats (e.g. pcm_mulaw)
Features - Conclusion
- Both services offer a range of similar features including per-word timestamps, pitch control, speed control, and support for phone formats.
- However, Unreal Speech does not support multi-lingual capabilities as Amazon Polly does, which may be important for some users.
Pricing & Plans
Unreal Speech Pricing
| Plan | Price | Characters |
|---|---|---|
| Free | $0/mo | 250,000 |
| Basic | $49/mo | 3M |
| Plus | $499/mo | 42M |
| Pro | $1499/mo | 150M |
| Enterprise | $4999/mo | 625M |
Amazon Polly Pricing
| Plan | Price | Characters |
|---|---|---|
| Free | $0/mo | 1M (12 months) |
| Pay As You Go | $16 per 1M characters |
Pricing & Plans - Conclusion
- Unreal Speech offers a cost-effective solution with a tiered pricing model that addresses a wide range of usage from 250,000 to 625 million characters per month.
- Amazon Polly has a straightforward model with a free tier followed by a pay-as-you-go pricing, which might become expensive for large volumes.
Customer Reviews
Unreal Speech Reviews
- Average Rating: 4.8 out of 5
- Customers appreciate Unreal Speech for its affordability, ease of setup, and natural-sounding voices.
- Common feedback includes desire for more customization options and multilingual support.
Amazon Polly Reviews
- Average Rating: 4.4 out of 5
- Customers value Amazon Polly for its integration with AWS and natural-sounding voices but express concerns regarding cost and customization options.
Summary
- Unreal Speech provides superior voice quality with higher Mean Opinion Scores compared to Amazon Polly.
- Despite lacking multilingual support, Unreal Speech offers scalable pricing solutions suitable for various needs.
- Amazon Polly offers a generous free tier but does not match Unreal Speech in voice quality.
Frequently Asked Questions
How easy is it to switch from Amazon Polly to Unreal Speech?
- Very easy, it only takes a few minutes. You can start using our API right away with 250,000 free characters per month.
Which service is more cost-effective for large-scale applications?
- For large-scale applications, Unreal Speech is more cost-effective due to its higher volume tiers and scalability options.
Which service is more suitable for detailed voice analytics?
- Both services offer per-word timestamps, making them equally suitable for users requiring detailed voice analytics.
What is the difference in voice quality between Unreal Speech and Amazon Polly?
- Unreal Speech offers higher voice quality across different categories compared to Amazon Polly.
What advanced features do both services offer?
- Both offer pitch control, speed control, and compatibility with phone formats.