IBM Watson Speech to Text
The facts below are what the maker publishes about IBM Watson Speech to Text, checked and dated. Our editors have not written about it yet.
Plans and prices
From IBM Watson Speech to Text's own pricing page, checked 9 Oct 2026.
| Plan | Price | What it gives you |
|---|---|---|
| Plus | $0.02 a month | Unlimited minutes · 100 concurrent transcription requests · custom language and acoustic models · $0.02 per minute for 1–999,999 minutes in a month; $0.01 per minute at 1,000,000 or more minutes |
| Lite | Free | 500 minutes per month · no customization · services deleted after 30 days of inactivity · 500 minutes per month at no cost |
| Premium | Priced on request | Unlimited minutes · unlimited concurrent transcriptions · data isolation and added security features · HIPAA support available in specified locations · Contact an IBM representative; first 150,000 minutes per month at no charge |
The facts
Each one read from IBM Watson Speech to Text's own pages, with the date it was checked.
What it does
- API access
- Yeschecked 22 Sep 2026
- Call analysis
- IBM describes using Speech to Text transcriptions with Watson Natural Language Understanding to analyze customer calls.checked 9 Oct 2026
- Customization
- Paid plans can customize language and acoustic models, and language models can use grammars to restrict recognized phrases.checked 9 Oct 2026
- Data deletion
- Customers can label data with a customer ID and use an API method to delete data associated with that ID.checked 9 Oct 2026
- Export formats
- JSONchecked 22 Sep 2026
- Input limitation
- The service accepts audio data only; IBM says audio must be separated from video before transcription.checked 9 Oct 2026
- Integrations
- IBM documents a pre-built phone assistant integration combining watsonx Assistant, Speech to Text, and Watson Text to Speech.checked 9 Oct 2026
- Intended users
- IBM identifies customer self-service, agent assistance, and call analytics as use cases, and describes Plus as intended for small businesses and development or testing by larger enterprises.checked 9 Oct 2026
- Interim results
- The product page says applications can use transcription as it is generated before final results are complete.checked 9 Oct 2026
- Languages and audio
- IBM lists support for multiple languages and formats including WAV, FLAC, MP3, Ogg, WebM, and PCM.checked 9 Oct 2026
- Languages supported
- 14checked 22 Sep 2026
- Request limits
- Synchronous HTTP and WebSocket requests accept up to 100 MB of audio, while asynchronous HTTP accepts up to 1 GB.checked 9 Oct 2026
- Security
- Premium offers data isolation and features including Key Protect, service endpoints, mutual authentication, and HIPAA readiness.checked 9 Oct 2026
- Speaker diarization
- IBM’s product page says the service can recognize who said what in a multi-participant voice exchange.checked 9 Oct 2026
- Speaker identification
- Yeschecked 22 Sep 2026
- Streaming and batch
- It supports synchronous and asynchronous HTTP interfaces and a full-duplex WebSocket interface for low-latency communication.checked 9 Oct 2026
- Support availability
- Premium instances require contacting an IBM sales representative before provisioning.checked 9 Oct 2026
- Timestamp support
- Yeschecked 22 Sep 2026
- What it does
- The service uses speech recognition APIs to transcribe spoken audio in multiple languages and formats.checked 9 Oct 2026
The company
- Founded
- 1911checked 19 Oct 2026
- Headquarters
- Armonk, New York, United Stateschecked 19 Oct 2026
Money
- Free plan
- Yeschecked 22 Sep 2026
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