# Amazon Polly vs. Resemble.AI

The best way to compare Amazon Polly vs. Resemble.AI: audio samples, features, plans, pricing, and more.

# Live Demo

### Voice and Language 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

**Speed Options:**  
- Default: 1.0

**Bitrate Options:**  
- 192k  
- 128k  
- 96k  
- 64k  
- 48k  
- 32k  
- 16k

## [Amazon Polly](https://aws.amazon.com/polly/)
Text-to-speech service to transform text into natural-sounding speech using deep learning technologies.

## [Resemble.AI](https://www.resemble.ai/)
AI voice generator with voice cloning for text to speech.

### Voice Quality  
#### Amazon Polly Samples  
**Mean Opinion Score**  
- Fiction: 3.00  
- Non-Fiction: 2.51  
- Conversation: 2.63

#### Resemble.AI 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.

### Features  
#### Amazon Polly Features  
- Voice Cloning  
- Multi-lingual  
- Per-word Timestamps  
- Pitch Control  
- Speed Control  
- Phone Formats (e.g., pcm_mulaw)
  
#### Resemble.AI Features  
- Voice Cloning  
- Multi-lingual  
- Per-word Timestamps  
- Pitch Control  
- Speed Control  
- Phone Formats (e.g., pcm_mulaw)
  
#### Features - Conclusion  
- **Amazon Polly** and **Resemble.AI** both offer multi-lingual support and per-word timestamps, catering to a wide range of text-to-speech needs.  
- However, **Amazon Polly** provides more flexibility with additional features like pitch and speed control, as well as support for various phone formats.  
- In contrast, **Resemble.AI** distinguishes itself with voice cloning capability, appealing to users requiring personalized voice replication.

### Pricing & Plans  
#### Amazon Polly Pricing  
- Free (1M characters for first 12 months only)  
- Pay As You Go: $16 per 1M characters
  
#### Resemble.AI Pricing  
- Basic: $0.006/second  
- Pay as you go: ~$480 per 1M characters  
- Pro: $99/mo for 80,000 seconds (~1M chars) + Extra: $0.002 per second
  
#### Pricing & Plans - Conclusion  
- **Amazon Polly** emerges as the more cost-effective option for initial and ongoing text-to-speech needs.  
- With a free tier available for the first year and a flat rate of $16 per 1M characters thereafter, it offers significant savings over **Resemble.AI**.

### Customer Reviews  
#### Amazon Polly Reviews  
**4.4 out of 5**  
Average of 68 ratings from leading review sites. Customers appreciate **Amazon Polly** for its natural-sounding voices, ease of use, and integration with AWS services.  
**Features noted:**  
- Ease of use  
- Natural-sounding voices  
- Integration with AWS  
- Scalability  
- Concerns regarding cost, limited customization, and occasional unnatural inflections.

#### Resemble.AI Reviews  
**3.6 out of 5**  
Average of 12 ratings from leading review sites. Customers appreciate **Resemble.AI** for its time-saving capabilities and voice cloning accuracy.  
**Criticisms noted:**  
- Pay-as-you-go pricing model  
- Limited language options  
- User interface improvements needed.

### Summary  
- When comparing **Amazon Polly** and **Resemble.AI** for text-to-speech services, **Amazon Polly** stands out as the more cost-effective and versatile option.  
- However, **Resemble.AI** offers unique voice cloning capabilities, making it a strong contender for users needing personalized voice replication.  
- The choice between the two services hinges on specific user needs.