IBM Watson Text to Speech
The facts below are what the maker publishes about IBM Watson Text to Speech, checked and dated. Our editors have not written about it yet.
Plans and prices
From IBM Watson Text to Speech's own pricing page, checked 12 Oct 2026.
| Plan | Price | What it gives you |
|---|---|---|
| Lite | Free | 10,000 characters per month |
| Standard | Priced on request | Unlimited characters · high-value features · guaranteed uptime · As low as USD 0.02 per thousand characters |
| Deploy Anywhere | Priced on request | Unlimited characters per month · 35 neural voices · 16 supported languages and dialects · deploy behind your firewall or on any cloud with IBM Cloud Pak for Data · Contact us for pricing |
| Premium | Priced on request | More capacity and data protection · custom-branded neural voice · 99.9% high availability and service level uptime guarantee · Contact us for pricing |
The facts
Each one read from IBM Watson Text to Speech's own pages, with the date it was checked.
What it does
- API access
- Yeschecked 20 Sep 2026
- Custom voice
- The Premium feature can create a branded neural voice modeled on a chosen speaker using as little as one hour of recordings.checked 12 Oct 2026
- Data separation
- IBM describes Standard plans as multi-tenant with logical data separation and Premium plans as single-tenant with physical separation and unique encryption keys.checked 12 Oct 2026
- Deployment
- IBM says the service can be deployed on public, private, hybrid, multicloud, or on-premises infrastructure.checked 12 Oct 2026
- Encryption
- IBM Cloud Text to Speech uses TLS 1.2 for data in transit and AES-256 with SHA-256 for data at rest.checked 12 Oct 2026
- Export formats
- A-law,Basic audio,FLAC,Linear 16-bit PCM,MP3,Mu-law,Ogg,WebM,WAVchecked 20 Sep 2026
- Expressiveness
- Speaking styles include GoodNews, Apology, and Uncertainty, and voice transformation can adjust strength, pitch, breathiness, rate, and timbre.checked 12 Oct 2026
- Integration
- Text to Speech can turn incoming text from watsonx Assistant into voice responses for users over the phone.checked 12 Oct 2026
- Languages
- 9checked 20 Sep 2026
- Maximum input
- 5000checked 20 Sep 2026
- Neural voices
- Deep neural networks trained on human speech produce smooth, natural-sounding voice quality.checked 12 Oct 2026
- Privacy and compliance
- IBM documents GDPR support and says HIPAA readiness is available for Premium plans in its Washington, DC and Dallas regions.checked 12 Oct 2026
- Pronunciation
- Unusual word pronunciations can be specified with IPA or IBM SPR.checked 12 Oct 2026
- Purpose
- IBM Text to Speech is an API cloud service that converts written text into natural-sounding audio in multiple languages and voices for applications or watsonx Assistant.checked 12 Oct 2026
- SDKs
- IBM provides links to Watson SDKs in its GitHub repository.checked 12 Oct 2026
- Speech controls
- Speech Synthesis Markup Language can adjust pronunciation, volume, pitch, speed, and other attributes.checked 12 Oct 2026
- Use cases
- IBM lists customer self-service, call analytics, and agent assist as use cases.checked 12 Oct 2026
- Voice cloning
- Yeschecked 20 Sep 2026
The company
- Company
- IBM was founded in 1911 as the Computing-Tabulating-Recording Company and renamed IBM in 1924.checked 12 Oct 2026
- Founded
- 1911checked 19 Oct 2026
Money
- Free plan
- Yeschecked 20 Sep 2026
Where it runs
- Platforms
- api,self_hostedchecked 20 Sep 2026
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