Features

Powerful real-time speech recognition

Automatically transcribe audio from 7 languages in real-time. Rapidly identify and transcribe what is being discussed, even from lower quality audio, across a variety of audio formats and programming interfaces (HTTP REST, Websocket, Asynchronous HTTP)

Highly accurate speech engine

Customize your model to improve accuracy for language and content you care most about, such as product names, sensitive subjects or names of individuals. Recognizes different speakers in your audio Spot specified keywords in real-time with high accuracy and confidence

Built to support various use cases

Transcribe audio for various use cases ranging from real-time transcription for audio from a microphone, to analyzing 1000s of audio recording from your call center to provide meaningful analytics

Watson Speech to Text service overview

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You can access Watson services free for 30-days on Bluemix, IBM's cloud development platform.

Developer tools

Everything you need to start building with Watson.

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Pricing

Standard Service

  • – First thousand minutes per month are FREE
  • After that, per-minute pricing (USD) for monthly audio usage uses Graduated Tiered Pricing as follows:
  • $0.02 for minutes 1,001 - 250,000
  • $0.015 for minutes 250,001 - 500,000
  • $0.0125 for minutes 500,001 - 1,000,000
  • $0.01 for minutes 1,000,001 and up

Note: IBM aggregates all monthly usage and rounds to the nearest minute at the end of the month. For additional details, see our Pricing FAQ.

Includes the use of narrowband and broadband models for all supported languages. Also includes keyword spotting, profanity filtering, per-word confidence scores and time offsets, per-phrase alternate hypotheses, and speaker labels.

More questions about pricing? Talk to sales

Language Model Customization Service Add-On

  • – First thousand minutes per month are FREE
  • After that, pricing is $0.03 (USD) per minute in addition to the cost of using the Standard Service.

Includes the ability to create, train, and host custom language models. For more information, see Using customization.

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Watson Premium plans offer a higher level of security and isolation to help customers with sensitive data requirements.

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