Retell AI
voice-agents
Build, test, and deploy production-grade AI voice agents that handle inbound and outbound phone calls.
Pricing
Paid
Rating
—
Votes
0
Head-to-head comparison
Retell AI vs Voiceflow
Compare Retell AI and Voiceflow side by side across pricing, features, ratings, pros, cons, best-fit use cases, and alternatives.
Voiceflow
customer-support
A collaborative platform to design, build and ship AI agents.
Pricing
Free plan
Rating
—
Votes
1
Feature comparison
Feature
Retell AI
Voiceflow
Category
voice-agents
customer-support
Pricing
Paid
Free plan
Free plan
API access
Mobile app
Browser extension
Team collaboration
Custom training
Self-hosted option
Offline mode
Multi-language support
Retell AI pros and cons
Transparent per-minute, pay-as-you-go pricing with no platform fee
Full feature access from day one, nothing locked behind higher tiers
Strong developer tooling: API, testing/simulation suite, webhooks, functions
Wide model and voice choice (GPT, Claude, ElevenLabs, Retell voices)
Headline $0.07/min rate is misleading; real costs run $0.13-$0.31/min
Costs stack across LLM, TTS, and telephony, making budgeting complex
Enterprise plan is expensive, starting around $8,000
Voiceflow pros and cons
Strong visual, collaborative design canvas
Supports multiple LLM models
Handles both chat and voice
Good analytics and testing tools
Editor seats plus credits can get expensive
Usage-based credits require careful cost modeling
Learning curve for complex flows
Which one should you choose?
Best overall signal
Voiceflow
Selected using Toolglade popularity signals such as views and votes.
Best value signal
Voiceflow
Selected using free-plan availability and engagement signals.
Best for
Retell AI
- Inbound call automation
- Outbound sales and lead qualification
- AI phone support agents
- Appointment scheduling
- Developers building custom voice agent products
Voiceflow
- Designing conversation flows
- Cross-functional agent teams
- Voice and chat assistants
- Prototyping before build
- Teams designing agents collaboratively
FAQ
Is Retell AI better than Voiceflow?
It depends on your use case. Compare category fit, pricing, feature availability, and ratings before choosing.
Which tool has a free plan?
Retell AI may not and Voiceflow offer a free plan based on current Toolglade data.