Retell AI
AI Voice Agent Platform for Phone Call Automation
VS
Voicebox
Meta's generative AI model for speech, not publicly available.
Detailed comparison
Criteria
Retell AI
Voicebox
Pricing
Freemium
Enterprise
Plans & pricing
Pay-as-you-go: Free, Enterprise: Custom
—
Free trial
Yes
—
Audience
b2b
b2c
Platforms
Web
—
API
Yes
No
Open Source
Proprietary
Proprietary
Categories
Voice, AI Agents
Audio, Voice
Popularity
Very High
Very High
Description
Retell AI allows users to build, test, deploy, and monitor production-ready AI voice agents at scale with ease. This platform is designed to boost eff...
Voicebox is a state-of-the-art generative AI model developed by Meta for creating and manipulating natural-sounding speech. It demonstrates advanced c...
Pricing
Retell AI
Freemium
Voicebox
Enterprise
Plans & pricing
Retell AI
Pay-as-you-go: Free, Enterprise: Custom
Voicebox
—
Free trial
Retell AI
Yes
Voicebox
—
Audience
Retell AI
b2b
Voicebox
b2c
Platforms
Retell AI
Web
Voicebox
—
API
Retell AI
Yes
Voicebox
No
Open Source
Retell AI
Proprietary
Voicebox
Proprietary
Categories
Retell AI
Voice, AI Agents
Voicebox
Audio, Voice
Popularity
Retell AI
Very High
Voicebox
Very High
Description
Retell AI
Retell AI allows users to build, test, deploy, and monitor production-ready AI voice agents at scale with ease. This platform is designed to boost eff...
Voicebox
Voicebox is a state-of-the-art generative AI model developed by Meta for creating and manipulating natural-sounding speech. It demonstrates advanced c...
Features
Retell AI
Production-ready AI voice agent building
AI voice agent testing capabilities
Seamless AI voice agent deployment
Comprehensive AI voice agent monitoring
Scalable AI voice agent operations
Voicebox
In-context text-to-speech synthesis
Speech editing and noise reduction
Cross-lingual style transfer (6 languages)
Diverse speech generation
Audio content preservation during editing
Key differentiators
Retell AI
- Production-ready AI voice agents
- Scalable deployment & monitoring
- End-to-end AI voice agent lifecycle
Voicebox
- State-of-the-art generative speech AI
- Cross-lingual style transfer (6 languages)
- Advanced speech editing & noise reduction
Other comparisons
FAQ: Retell AI vs Voicebox
Retell AI: AI Voice Agent Platform for Phone Call Automation. Voicebox: Meta's generative AI model for speech, not publicly available.. Both tools take different approaches to address similar needs.
Retell AI offers a freemium plan, while Voicebox is a contact tool.
The best choice between Retell AI and Voicebox depends on your specific needs. Compare their features, pricing, and target audience on this page to find the tool that best fits your use case.
Retell AI is primarily designed for individuals, while Voicebox is built for individuals.
Retell AI offers: Production-ready AI voice agent building, AI voice agent testing capabilities, Seamless AI voice agent deployment, Comprehensive AI voice agent monitoring. Voicebox offers: In-context text-to-speech synthesis, Speech editing and noise reduction, Cross-lingual style transfer (6 languages), Diverse speech generation.
Based on our data, Voicebox currently enjoys greater popularity. However, popularity isn't the only factor — compare features to find the right tool for your needs.