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Retell AI vs Voiceslab
API for building conversational voice agents, not a self-service voice cloning platform.
Retell AIAPI For Building Human-like Conversational Voice AI
VoiceslabCreate your own AI voice in secondsWhich to pick
Pick Retell AI if you want…
- Low-latency AI voice agents for phone calls
- Voice AI agents
- Integrations with knowledge bases (on Retell AI's list, not Voiceslab's)
Pick Voiceslab if you want…
- Custom AI voice cloning for multilingual content
- Integrations with Cohere, AWS or Vercel (on Voiceslab's list, not Retell AI's)
Side by side
- What it is
- Retell AI:Retell AI provides an API to build human-like conversational voice agents for phone, chat and SMS with low latency.
- Voiceslab:Voiceslab lets you create AI voice clones from a short sample and generate natural speech in 24 languages.
- Best for
- Retell AI:Low-latency AI voice agents for phone calls
- Voiceslab:Custom AI voice cloning for multilingual content
- Who it’s for
- Retell AI:Developers building voice-based customer service, sales or support automation.
- Voiceslab:Content creators, marketers, educators, and developers needing custom voice synthesis.
- Pricing
- Retell AI:Freemium
- Voiceslab:Freemium
- Plans
- Retell AI:Pay-as-you-go $0.07-$0.31 / min per minute
- Voiceslab:Free $0 · Basic $7/mo per month (billed annually) · Pro $14/mo per month (billed annually) · Starter Pack $6.99 one-time · Creator Pack $19.99 one-time
- Works with
- Retell AI:knowledge bases
- Voiceslab:Cohere, AWS, Vercel, Google Cloud, Runway
Retell AI features
- Drag-and-drop flow builder. Design complex call workflows visually with functions, integrations and DTMF handling.
- Real-time testing & simulation. Manually test, simulate thousands of scenarios and run regression tests before deployment.
- Ultra-low latency. Proprietary orchestration delivers ~600 ms response time for smooth conversations.
- Multi-channel support. Deploy agents over voice calls, web/chat widgets and SMS via a unified API.
- Enterprise security. HIPAA, SOC 2 Type II, GDPR, ISO 27001 compliance with SSO, role-based access and data redaction.
- Pay-as-you-go pricing. No contracts; $0.07-$0.31 per minute for voice agents and $0.002 per chat message.
Voiceslab features
- Free tier. Generate up to 3,000 characters per month with one voice clone, no credit card required.
- Multi-language support. Clone voices in 24 languages while preserving accent and pronunciation.
- Secure and private. End-to-end encryption, SOC2 compliance, and daily audits protect voice data.
- Fast processing. Real-time generation with ~0.5 s latency for live applications.
- Unlimited voices on paid plans. Basic and Pro plans allow unlimited voice clones and larger character limits.
- One-time credit packs. Buy credits that never expire for on-demand generation without a subscription.
Retell AI vs Voiceslab FAQ
Is Retell AI or Voiceslab free?+
Retell AI has a free plan and paid plans. Voiceslab has a free plan; paid plans start at $7/month (Basic).
Do Retell AI and Voiceslab integrate with the same tools?+
Their integration lists don't overlap: Retell AI lists knowledge bases; Voiceslab lists Cohere, AWS, Vercel, Google Cloud and 1 more.
On DevHunt
Based on each tool's website and DevHunt data. Details may change; check the official sites.