Cloud speech recognition (ASR) with models for dictation, websearch, and TV

Vocabularies for ASR Customization

Up to 200 phrases
Up to 40 vocabularies

Up to 1,000 phrases
Up to 80 vocabularies

Up to 3,000 phrases
Up to 160 vocabularies
Multiple vocabularies / languages / topics

Cloud Text-to-Speech (TTS) for 40+ languages and 60+ voices

Android, iOS, and Windows Phone 7 & 8 SDKs

HTTP REST Interface

Evaluation only







SDK support
Speech science consulting
User experience & Design
Advanced solutions

Production Pricing

Free up to 20,000 transactions / Mo. / App.
Above 20,000 : $.008 / transaction

$.008 / transaction

Contact us

Payment Methods

Paypal prepay

Paypal prepay

$10k prepay
Postpaid billing

Get Started

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  1. All developers can benefit from our FAQs, documentation, community forums, and other online resources. In addition, developers may also purchase 90 days of technical support for $399 for up to 5 support tickets.
  2. Emerald customers benefit from dedicated provisioning, prioritized traffic management, and named escalation contacts.
  3. Silver and Gold developers receive 500 transactions per day in our development sandbox for free.Free development accounts are provided for 90 days and extensions are free. Only successful transactions are counted.