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Retell AI vs Voiceflow AI assistant
The best way to compare Retell AI vs Voiceflow: audio samples, latency, features, plans, pricing, and more.
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Retell AI
API for voice AI. Effortlessly integrate human-like Voice AI into your product. | We are building an API that enables your product to provide an intuitive and engaging way for user interaction - through voice.
vs
Voiceflow
Teams use Voiceflow to design, develop, and launch AI agents — together, faster, at scale.
Features
Retell AI Features
Interruption Handling
Emotional Understanding
Language & Multilingual Support
Visual Flow Builder
Function Calling
Multi-Channel Support
Voiceflow Features
Interruption Handling
Emotional Understanding
Language & Multilingual Support
Visual Flow Builder
Function Calling
Multi-Channel Support
Features - Conclusion
- Retell AI supports seamless interruption handling and emotional understanding, making conversations natural and engaging. It offers multilingual support with over 7 different languages and allows voice agents to execute complex tasks through function calling. However, Retell AI does not feature a visual flow builder and primarily supports voice calling without multi-channel support.
- Voiceflow also supports interruption handling and emotional understanding, creating intelligent, adaptive conversational agents. It provides multilingual support and includes a no-code, drag-and-drop visual flow builder for easy and rapid prototyping. Voiceflow supports extensive integration with third-party APIs but does not mention support for channels beyond voice and chat.
- Overall, Retell AI excels in voice communication with interruption handling and emotional understanding but lacks a visual flow builder and multi-channel support. Voiceflow offers a no-code visual interface for creating adaptive conversational agents primarily for voice and chat, with extensive API integrations.
Pricing & Plans
Retell AI Pricing
Pay as you go
$0 / minute
- 10 concurrent calls
Custom based model
$0.11 / minute
- Custom concurrent calls based on volumes
Voiceflow Pricing
Sandbox
$0 / mo
- Build up to 2 AI agents
Pro
$50 / mo
- Build up to 20 voice agents
Teams
$625 / mo
- Build unlimited AI agents
Enterprise
Custom Pricing billed annually
- Build Unlimited Voice agents
Pricing & Plans - Conclusion
- Retell AI offers a flexible, usage-based pricing model that ranges from $0.08 to $0.10 per minute for the conversation voice API, $0.02 to $0.20 per minute for LLM agents, and $0.01 per minute for telephony using Retell Twilio, with no additional charge for using your own Twilio.
- Voiceflow, in contrast, provides tiered subscription plans ranging from basic features which includes up to 100k monthly AI tokens. The Pro Plan costs $50 per month offering 200 knowledge base sources and up to 2M monthly AI tokens. The Team Plan, at $625 per month or $6,000 annually, includes advanced features, unlimited agents, and up to 10M monthly AI tokens. The Enterprise Plan offers customized pricing with extensive features and support, including unlimited editors and workspaces, SSO, and dedicated account management.
- Overall, Retell AI’s usage-based pricing provides a scalable and economical option for businesses with diverse usage patterns, while Voiceflow’s structured subscription plans cater to organizations requiring specific features and higher token limits, particularly beneficial for teams and enterprises.
Customer Reviews
Deepgram Aura Reviews
4.5 out of 5
Average of 50 ratings from leading review sites.
Retellai is receiving high praise for its capability and efficiency, particularly in the realm of creating human-like assistants. Users appreciate the time and cost savings offered by Retellai's API, emphasizing its value over in-house development efforts. The platform is celebrated for its impressive demos and user-friendly design, with feedback consistently noting that it exceeds expectations. This array of positive reviews underscores Retellai's effectiveness and its potential to significantly enhance digital interactions through its advanced technology.
Deepgram Aura Reviews
4.8 out of 5
Average of 68 ratings from leading review sites.
Voiceflow offers a user-friendly platform that scales with expertise, from beginner-friendly templates to advanced automation features. While some users feel the learning curve could be smoother, the majority praise its capabilities in enhancing conversation design and workflow automation.
Compare Alternatives
Retell AI Alternatives
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Voiceflow Alternatives
Summary
- Retell AI presents a dynamic pricing model, offering flexibility to users with varying needs. Its usage-based structure allows for scalability, catering to diverse usage patterns. With features like interruption handling, emotional understanding, and function calling, Retell AI provides comprehensive capabilities for natural and engaging interactions.
- On the other hand, Voiceflow adopts a tiered subscription approach, providing structured plans tailored to specific feature sets and token limits. While Voiceflow suits teams and enterprises requiring precise features and higher token allowances, Retell AI's adaptable pricing, combined with its robust feature set, makes it a favorable choice for businesses seeking versatility and affordability in their text-to-speech solutions.