# Google Cloud Text-to-Speech vs. Amazon Polly The best way to compare Google Cloud Text-to-Speech vs. Amazon Polly: audio samples, features, plans, pricing, and more. # Live Demo Non-Fiction Fiction News Blog Conversation 0/250 Voice Sierra Autumn Melody Hannah Emily Ivy Kaitlyn Luna Willow Lauren Sierra Noah Jasper Caleb Ronan Ethan Daniel Zane Rowan Language ๐Ÿ‡บ๐Ÿ‡ธ US English ๐Ÿ‡บ๐Ÿ‡ธ US English ๐Ÿ‡ฌ๐Ÿ‡ง UK English ๐Ÿ‡จ๐Ÿ‡ณ Mandarin Chinese ๐Ÿ‡ฎ๐Ÿ‡ณ Hindi ๐Ÿ‡ช๐Ÿ‡ธ Spanish ๐Ÿ‡ง๐Ÿ‡ท Portuguese ๐Ÿ‡ฏ๐Ÿ‡ต Japanese ๐Ÿ‡ซ๐Ÿ‡ท French ๐Ÿ‡ฎ๐Ÿ‡น Italian Format Standard Standard MP3 Phone Call PCM ยต-law Normal Speed 1.0 Pitch Bitrate 192k 192k 128k 96k 64k 48k 32k 16k _Synthesize_ Speed 0 s Filesize 0 kb ## [Google Cloud Text-to-Speech](https://cloud.google.com/text-to-speech) Allows developers to create natural-sounding, synthetic human speech as playable audio. ## [Amazon Polly](https://aws.amazon.com/polly/) Text-to-speech service to transform text into natural-sounding speech using deep learning technologies. ### Voice Quality #### Google Cloud Text-to-Speech Samples Mean Opinion Score Fiction 3.93 Non-Fiction 3.82 Conversation 3.42 #### Amazon Polly Samples 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. These scores are derived from comprehensive, professionally-conducted evaluations, and are anonymized to ensure unbiased results. #### Voice Quality - Conclusion - Based on the Mean Opinion Scores provided, **Google Cloud Text-to-Speech** generally offers higher voice quality across fiction, non-fiction, and conversation categories compared to **Amazon Polly**. - Google's service achieves particularly notable superiority in fiction and non-fiction voice quality. - This suggests that for applications requiring more natural and engaging speech output, **Google Cloud Text-to-Speech** might be the preferable choice. ### Features #### Google Cloud Text-to-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 **Google Cloud Text-to-Speech** and **Amazon Polly** offer a range of features that cater to developers' needs for creating natural-sounding, synthetic speech, including multi-lingual support, pitch and speed control, and compatibility with phone formats. - However, **Google Cloud Text-to-Speech** distinguishes itself with the capability for voice cloning, a feature not available in **Amazon Polly**. - Conversely, **Amazon Polly** provides per-word timestamps, an option not offered by **Google Cloud Text-to-Speech**, potentially enhancing synchronization in applications requiring precise timing. ### Pricing & Plans #### Google Cloud Text-to-Speech Pricing Free $0/mo 1M characters Pay As You Go $16 per 1M characters #### Amazon Polly Pricing Free $0/mo 1M characters (for first 12 months only) Pay As You Go $16 per 1M characters #### Pricing & Plans - Conclusion - In terms of pricing, both **Google Cloud Text-to-Speech** and **Amazon Polly** offer competitive pay-as-you-go plans at $16 per 1M characters. - The primary distinction lies in their free tiers; **Google Cloud Text-to-Speech** provides a potentially indefinite free allowance of 1M characters per month without a specified time limit, whereas **Amazon Polly**'s free tier is limited to the first 12 months only. - This makes **Google Cloud Text-to-Speech** a more appealing option for users looking for long-term value without exceeding the free usage limit. ### Customer Reviews #### Google Cloud Text-to-Speech Reviews 4.6 out of 5 Average of 163 ratings from leading review sites. Customers appreciate **Google Cloud Text-to-Speech** for its multilingual support, high-quality voices, and ease of integration. It is praised for its ability to handle various languages and accents, making it versatile for different applications. However, users are dissatisfied with its dependency on internet connectivity and find the pricing structure confusing and potentially costly. The lack of offline functionality is a significant drawback for many. Despite these issues, the service is valued for its accessibility features and seamless integration with other Google services. - Multilingual support - Voice quality - Ease of integration - Internet dependency - Pricing transparency - Offline functionality #### 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. They find it beneficial for various applications like IVR systems, content creation, and multilingual support. However, concerns about cost, limited customization options, and occasional unnatural inflections in the voices are common. The service's scalability and fast response times are highlighted as significant advantages, helping businesses efficiently manage large-scale projects. - Ease of use - Natural-sounding voices - Integration with AWS - Scalability - Voice inflection - Cost - Customization options ### Summary - Overall, **Google Cloud Text-to-Speech** surpasses **Amazon Polly** in voice quality, particularly in fiction and non-fiction categories, and offers unique features like voice cloning, making it a superior choice for applications requiring high-quality and engaging speech output. - While both services provide competitive pay-as-you-go pricing, Google's indefinite free tier offers better long-term value. - However, **Amazon Polly**'s exclusive feature of per-word timestamps may appeal to users needing precise speech synchronization, highlighting the importance of choosing a service based on specific project requirements.