Freedom251 › Text-to-speech tools
IBM Watson Text to Speech
Plans
| Plan | Billed and limits | Price |
|---|---|---|
| Lite | 10,000 characters per month | Free |
| Standard | As low as USD 0.02 per thousand characters · Unlimited characters · high-value features · guaranteed uptime | $0.02 |
| Premium | Contact us for pricing · More capacity and data protection · custom-branded neural voice · 99.9% high availability and service level uptime guarantee | On request |
| Deploy Anywhere | Contact us for pricing · 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 | On request |
As ibm.com lists them, read 12 Oct 2026. The maker's own page has the final word.
Facts from IBM Watson Text to Speech's own pages
- API access
- Yes · ibm.com, 20 Sept 2026
- Company
- IBM was founded in 1911 as the Computing-Tabulating-Recording Company and renamed IBM in 1924. · ibm.com, 12 Oct 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. · ibm.com, 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. · cloud.ibm.com, 12 Oct 2026
- Deployment
- IBM says the service can be deployed on public, private, hybrid, multicloud, or on-premises infrastructure. · ibm.com, 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. · cloud.ibm.com, 12 Oct 2026
- Export formats
- A-law,Basic audio,FLAC,Linear 16-bit PCM,MP3,Mu-law,Ogg,WebM,WAV · ibm.com, 20 Sept 2026
- Expressiveness
- Speaking styles include GoodNews, Apology, and Uncertainty, and voice transformation can adjust strength, pitch, breathiness, rate, and timbre. · ibm.com, 12 Oct 2026
- Founded
- 1911 · ibm.com, 19 Oct 2026
- Free plan
- Yes · ibm.com, 20 Sept 2026
- Integration
- Text to Speech can turn incoming text from watsonx Assistant into voice responses for users over the phone. · ibm.com, 12 Oct 2026
- Languages
- 9 · ibm.com, 20 Sept 2026
- Maximum input
- 5000 · ibm.com, 20 Sept 2026
- Neural voices
- Deep neural networks trained on human speech produce smooth, natural-sounding voice quality. · ibm.com, 12 Oct 2026
- Platforms
- api,self_hosted · ibm.com, 20 Sept 2026
- Privacy and compliance
- IBM documents GDPR support and says HIPAA readiness is available for Premium plans in its Washington, DC and Dallas regions. · cloud.ibm.com, 12 Oct 2026
- Pronunciation
- Unusual word pronunciations can be specified with IPA or IBM SPR. · ibm.com, 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. · ibm.com, 12 Oct 2026
- SDKs
- IBM provides links to Watson SDKs in its GitHub repository. · ibm.com, 12 Oct 2026
- Speech controls
- Speech Synthesis Markup Language can adjust pronunciation, volume, pitch, speed, and other attributes. · ibm.com, 12 Oct 2026
- Use cases
- IBM lists customer self-service, call analytics, and agent assist as use cases. · ibm.com, 12 Oct 2026
- Voice cloning
- Yes · ibm.com, 20 Sept 2026
Where IBM Watson Text to Speech stands on Freedom251
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- AI Voice Generators#13 of 33