Pricing

Dialogflow is priced monthly based on the edition, pricing plan, number of requests, the total duration of audio processed, and the total duration of phone calls. To find out more about the different Dialogflow editions, see Dialogflow Editions.

The primary difference between the Plus and Essentials plans is that the Plus plan offers enterprise-ready quotas for knowledge connectors. Each request from an Enterprise Plus agent performs the regular intent recognition and entity extraction, as well as a knowledge connector search.

The following table provides a price comparison for editions and pricing plans.

Standard Edition Enterprise Edition
Essentials Plus
Knowledge Connectors (Beta) Free* Charge is based on use of text, audio, or phone as described below Charge is based on use of text, audio, or phone as described below
Text or Google Assistant Free* $0.002 per request $0.004 per request
Audio
Includes speech recognition and synthesis (Beta)
Free* $0.0065 per 15 seconds of audio** $0.0085 per 15 seconds of audio**
Phone call (Beta)
Includes phone connectivity, speech recognition, natural language understanding, speech synthesis
Free* $0.05 per minute of phone call processed*** $0.065 per minute of phone call processed***
Toll-free phone call (Beta) n/a $0.06 per minute of phone call processed*** $0.075 per minute of phone call processed***

* While use of the Dialogflow Standard Edition is free, there are limits on the amount of requests that you can make. For details, see Quotas & Limits.

** Each request is rounded up to the nearest increment of 15 seconds. For example, if you make three separate requests, each containing 7 seconds of audio, you are billed for 45 seconds (3 × 15 seconds) of audio. Fractions of seconds are included when rounding up to the nearest increment of 15 seconds. That is, 15.14 seconds are rounded up and billed as 30 seconds.

*** Call duration time is rounded to seconds. For example, if your call takes 6 seconds, you are billed for 0.1 minutes.

Google Cloud Platform Costs

If you use other Google Cloud Platform resources in tandem with Dialogflow, such as Google App Engine instances, then you will also be billed for the use of those services. See the Google Cloud Platform Pricing Calculator to determine other costs based on current rates.

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Dialogflow Enterprise Edition Documentation