AI agent builders
Voiceflow: review, pricing, data and alternatives
Voiceflow lets businesses visually build conversational agents connected to their documents and external services. These agents can be deployed on voice and text channels, with conversation and performance review. A free tier exists. Access and transparency score: 65/100, #10 of 20 in its category.
What is Voiceflow?
Voiceflow lets businesses visually build conversational agents connected to their documents and external services. These agents can be deployed on voice and text channels, with conversation and performance review.
According to its documentation, Voiceflow lets you:
- visually build a conversational agent
- connect an agent to company documents
- connect external services via API
- deploy an agent on voice and text channels
- review conversations and performance
We file it under AI agent builders, the category of tools to build your own AI agents, and it also overlaps with customer service and website chatbots and voice agents and phone. The category lists 20 verified tools on this site.
The publisher is Voiceflow, Inc., based in Canada. The service launched in 2018, which gives it some track record.
Who is it for?
It is mostly useful to these profiles: developers, customer support, and project managers. The need it covers is simple to state: build your own AI agents.
Voiceflow is a good candidate if:
- you want to try before paying
- you plan to connect it to your tools or automations through its API
The best test is a concrete case from your daily work: if the tool does not beat your current method within a week, move on to an alternative.
How much does Voiceflow cost?
Pricing model: freemium (limited free use, then paid). A free plan is offered, usually limited in volume or features.
The entry price is not shown publicly: you have to contact the publisher or create an account to see it.
To estimate what the same work would cost done directly with an AI model, use our API price calculator. Prices change often: always check the official site before subscribing.
Data and privacy
According to its privacy policy, data is processed in several regions depending on the plan.
Exporting your content: yes (details on the official site). Being able to get your data back makes switching tools easier later.
Three habits apply to every AI tool:
- turn off the use of your content for training if the option exists
- use a work account separate from your personal account
- review everything the tool produces before publishing or sending it
Platforms, languages and API
Voiceflow runs on: web browser and API.
Interface languages: English.
A public API lets you call it from your own programs or an automation tool, and plug it into an AI agent.
How we scored it
Our 65/100 score does not judge output quality: it measures what can be publicly verified about access to the tool, its openness and how far the publisher can be trusted.
| Criterion | Points | What counts |
|---|---|---|
| Access | 15/30 | free tier, published price, French interface |
| Openness | 20/30 | API, data export, open code |
| Trust | 30/40 | identified publisher, declared hosting, age, presence in reference lists |
The full calculation is explained on our method page.
Comparison with alternatives
Voiceflow against other tools in the aI agent builders category:
Verdict
Voiceflow is a decent option; compare its price and terms with the category leaders.
Strengths
- Free tier to try it
- Public API
- Established since 2018
Limitations
- Price not published
Alternatives
Categories and jobs
Learn more
Frequently asked questions
Is Voiceflow free?
Yes, a free plan exists, with usage limits.
Where is Voiceflow data stored?
According to the publisher, in several regions depending on the plan.
Does Voiceflow have an API?
Yes, a public API is documented.
What are the alternatives to Voiceflow?
In the same category: Dify, Agenta, AutoGen, and Hermes Agent.
Voiceflow or Dify: which one to choose?
Our score is 65/100 for Voiceflow and 81/100 for Dify. Try both on the same task before paying.
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Neutrality. No affiliate links. No vendor pays to be reviewed, rated or ranked. Reviews are directed by François Chollet, neutral and factual, and every data point is dated and sourced. How we score