Acapela Group vs Google Cloud Text-to-Speech
Acapela Group
acapela-group.comGoogle Cloud Text-to-Speech
cloud.google.comSide by side
| Figure | Acapela Group | Google Cloud Text-to-Speech |
|---|---|---|
| Price from | €8.25/mo | $4/mo |
| Free plan | — | — |
| Free trial | Yes | Yes |
| Open source | — | — |
| Web | Yes | Yes |
| Windows | Yes | — |
| macOS | Yes | — |
| Linux | Yes | — |
| iOS | Yes | Yes |
| Android | Yes | Yes |
| API | Yes | Yes |
| Self-hosted | Yes | — |
| Plans published | 9 | 14 |
| Spec score · Text-to-Speech Software | 9.3 (#2) | 9.0 (#13) |
| Spec score · AI voice generators | 9.3 (#1) | 8.9 (#5) |
| Spec score · Text-to-speech tools | 9.2 (#9) | 9.2 (#8) |
| Spec score · Game Voice Generators | 9.3 (#3) | 8.8 (#9) |
| API access | Yes | Yes |
| Commercial use | Yes | Yes |
| Company size | LinkedIn lists Acapela Group as a privately held software-development company headquartered in Mons with 51–200 employees. | LinkedIn lists Google as a public software-development company with 10,001-plus employees and headquarters in Mountain View, California. |
| Free plan | No | No |
| Platforms | web,windows,macos,linux,ios,android,api | web,api |
| Rating on G2 | 5.0 out of 5 from 1 review | 4.4 out of 5 from 273 reviews |
| SSML | Acapela’s real-time neural voices support SSML so developers can control speech rendering with markup. | SSML controls pauses, number and date formatting, pronunciation and other delivery details. |
| Use cases | The company identifies voice agents and interactive voice response systems as customer interaction use cases. | Google describes use cases including contact-center voicebots, voice generation in devices, and accessible electronic program guides. |
| Voice cloning | Yes | Yes |
| What it does | Acapela provides text-to-speech and digital voice solutions for applications, devices and services, including custom and personalized voices. | Cloud Text-to-Speech converts text or SSML input into natural human speech audio. |
Plans
Acapela Group
- Yearly subscription€99 a year
- One-time license€999 a month
- Acapela Android voice€3.99, paid once
- Acapela TTS voices for Google Play€3.99, paid once
- My-Own-Voice yearly subscription€99 a year
- My-Own-Voice one-time licence€999, paid once
- Virtual Speaker€1,500, paid once
- Virtual Speaker first prepaid package€1,500, paid once
- Acapela TTS voices for NVDA€5,999, paid once
Google Cloud Text-to-Speech
- Standard voices$4 a month
- WaveNet voices$4 a month
- Neural2 voices$16 a month
- Polyglot voices$16 a month
- Chirp 3: HD voices$30 a month
- Studio voices$160 a month
- Instant custom voice$60 a month
- Gemini 2.5 Flash TTS and Gemini 2.5 Flash-Lite Preview TTSPrice not published
- Gemini 3.1 Flash TTSPrice not published
- Gemini 2.5 Flash TTS / Gemini 2.5 Flash-Lite Preview TTSPrice not published
In their own words
Acapela Group
Acapela Group creates synthetic voices that turn written content into speech for services, apps, and devices. Its portfolio includes more than 250 voices in over 30 languages, with voice cloning, API access, and commercial use supported. Customer interaction products can be deployed through cloud, sovereign cloud, on-premises, or embedded setups. Acapela Cloud provides a web interface for creating and editing AI voice prompts and organizing files by project. Developers can use the Windows Server toolkit with proprietary APIs, SAPI5,.NET, C/C++, Java, MRCP v2, and W3C SSML. Rule-based pronunciation and lexicon tools allow specific terms to be tuned across languages. Acapela identifies voice agents and interactive voice response systems as use cases, and its NVDA voices serve blind and vision-impaired computer users. Platforms include Android, API, iOS, Linux, macOS, self-hosted, web, and Windows. The yearly subscription is €99 a year, billed excluding VAT; a three-month voice evaluation is included. Acapela is based in Mons, Belgium.
Google Cloud Text-to-Speech
Google Cloud Text-to-Speech is an API that converts text or SSML into audio data for applications. It offers more than 380 voices across more than 75 languages and variants, with REST or gRPC integration and output formats including MP3, LINEAR16, OGG_OPUS, MULAW, and ALAW. Gemini-TTS supports single- or multispeaker speech guided by natural-language prompts for style, accent, pace, tone, and emotional expression. Chirp 3 instant custom voice can create a personalized voice model from as little as 10 seconds of audio and is available in more than 30 locales. Streaming synthesis supports real-time conversations, while long-audio synthesis accepts up to 1 million bytes of input. Speech controls include pitch, speaking rate, and volume gain. Billing counts input characters, including spaces, newlines, and SSML tags except the mark tag, and billing must be enabled. Standard and WaveNet voices cost US$4 per 1 million characters, with 0 to 4 million characters free. Other voice models have different rates and free-use limits. New customers can receive $300 in Google Cloud credits.