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Google Dialogflow vs Rasa

Google Dialogflow logo

Google Dialogflow

Live Chat

Google's conversational AI platform

From
Free
Rated
-
Full reviewWebsite
Rasa logo

Rasa

Live Chat

Open-source framework for building conversational AI

From
Free
Rated
-
Full reviewWebsite

The short version

  • Each has a real cost: Google Dialogflow usage-based pricing expected but specific rates not confirmed; Rasa free Developer Edition caps conversations at 1,000 external or 100 internal per company per month
  • They diverge on capability: Google Dialogflow covers NLU and NLG, Rasa covers NLU engine.
  • Prices and features above were last checked on 30 August 2026.

Where they differ

Only the attributes on which Google Dialogflow and Rasa actually diverge.

Attributes where Google Dialogflow and Rasa differ
AttributeGoogle DialogflowRasa
Pricing modelusage-basedfreemium
PlatformsWeb, Mobile, Messaging apps, Voice assistantsOn-premise, Cloud deployment, Docker, Kubernetes
Founded19982016

Identical on both: starting price (Free), free tier (Yes), user rating (Not yet rated), category (Live Chat).

What each one covers

Drawn from each product's published feature list. An absence here means we hold no record of it - not that the product lacks it.

Only in Google Dialogflow

  • NLU and NLG
  • Integration with Google services
  • Webhooks
  • Google Cloud
  • Facebook
  • Telegram
  • Web support
  • Mobile support

Only in Rasa

  • NLU engine
  • Dialogue management
  • Testing tools
  • Teams
  • Custom channels
  • API
  • On-premise support
  • Cloud deployment support

Both cover

  • Multi-language support
  • Slack

What people use each for

The jobs each tool is most often brought in to do.

Google Dialogflow

  • Customer engagementnot Rasa
  • Lead generationnot Rasa
  • Customer supportnot Rasa
  • Sales automationnot Rasa

Rasa

  • Developers self-hosting an open source conversational AI framework before needing enterprise scalenot Google Dialogflow

Where each one falls short

Documented limitations, not opinions. Every one is a constraint you would hit in normal use.

Google Dialogflow

  • Usage-based pricing expected but specific rates not confirmed
  • Free tier details not documented in available content

Rasa

  • Free Developer Edition caps conversations at 1,000 external or 100 internal per company per month
  • Rasa Pro and the Business Plan (Pro plus Studio) are not priced on the site and require contacting sales

Pricing, plan by plan

Google Dialogflow

Free
  • Free TierFree
    • 100 requests/day
    • Basic NLU
  • Standard$0.005/month
    • Pay per request
    • Advanced features
  • Enterprise$undefined/month
    • Custom SLAs
    • Dedicated support

Rasa

Free
  • Free Developer EditionFree
    • One bot per company
    • Up to 1,000 external conversations per month or 100 internal conversations per month
    • Free Rasa license for local or production use
  • Rasa Pro$undefined/mo
    • Pro-code framework with CALM dialogue understanding
    • Language-agnostic NLU, enterprise search, multi-LLM management
    • Kubernetes support
  • Enterprise$undefined/mo
    • Full access to Rasa Platform and Premium Support
    • 24/7/365 support with Customer Success Manager
    • Business reviews and guidance

Which should you pick?

Choose Google Dialogflow if

  • You need nlu and nlg.
  • You want to start without paying.
  • You work on Web, Mobile, Messaging apps, Voice assistants.
  • You also want integration with google services.
Google Dialogflow review

Choose Rasa if

  • You need nlu engine.
  • You want to start without paying.
  • You work on On-premise, Cloud deployment, Docker, Kubernetes.
  • You also want dialogue management.
Rasa review

Questions people ask

Is Google Dialogflow or Rasa better?
Neither clearly leads. Google Dialogflow starts at Free and Rasa at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Google Dialogflow or Rasa?
Google Dialogflow starts at Free and Rasa at Free.
Does Google Dialogflow or Rasa run on more platforms?
Google Dialogflow runs on Web, Mobile, Messaging apps, Voice assistants. Rasa runs on On-premise, Cloud deployment, Docker, Kubernetes.
Can I use Google Dialogflow for free?
Both have a free tier, so you can try either at no cost before committing.
What is Google Dialogflow best used for?
Google Dialogflow is most often used for customer engagement, lead generation, customer support, sales automation. Of those, customer engagement and lead generation are not what Rasa is typically brought in for.
What can Google Dialogflow do that Rasa cannot?
Google Dialogflow covers NLU and NLG, Integration with Google services, Webhooks, Google Cloud. Rasa covers NLU engine, Dialogue management, Testing tools, Teams. Both handle Multi-language support, Slack.

Answered from the vendors’ own pages

Google Dialogflow: How is Google Dialogflow priced?

Dialogflow uses usage-based pricing through Google Cloud. Costs vary based on the number of requests, interactions, or queries depending on the specific Dialogflow edition (Standard or Enterprise).

Source
Rasa: Does Rasa offer a free version?

Yes. Rasa offers a free Developer Edition with one bot per company, up to 1,000 external conversations per month, and free community support.

Source
Google Dialogflow: Does Google Dialogflow offer a free tier?

Google Cloud typically provides free tier access for Dialogflow, but specific free quota limits depend on the Dialogflow edition and must be verified in the Google Cloud Console.

Source
Rasa: What support is included with Rasa's free tier?

The free tier includes community forum support with responses from Rasa community members. Paid tiers add premium support with enhanced response times.

Source
Google Dialogflow: What factors affect Dialogflow pricing beyond request volume?

Dialogflow pricing depends on request volume, concurrent users, AI model complexity, data processing volume, and additional features or third-party integrations used.

Source
Rasa: What is the difference between Rasa Pro and Enterprise?

Rasa Pro includes the pro-code framework with advanced NLU and multi-LLM management. Enterprise adds full platform access, 24/7 support, dedicated Customer Success Manager, and business reviews.

Source
Google Dialogflow: Where can I find exact Dialogflow pricing rates for my use case?

Exact per-query pricing and free tier limits are documented in the Google Cloud Console under Dialogflow billing. Regional pricing variations apply, and enterprise customers can contact Google Cloud sales.

Source
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