Retell AI vs Murf AI

Detailed side-by-side comparison to help you choose the right tool

Retell AI

🔴Developer

Voice AI Tools

Voice AI platform for building conversational phone agents with human-like speech, ultra-low latency, and natural turn-taking for call center automation.

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Starting Price

$0.07/min

Murf AI

Voice AI Tools

Murf AI: AI voice generation platform offering 200+ ultra-realistic text-to-speech voices in 35+ languages for voiceovers, audiobooks, and presentations.

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Starting Price

Custom

Feature Comparison

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FeatureRetell AIMurf AI
CategoryVoice AI ToolsVoice AI Tools
Pricing Plans11 tiers8 tiers
Starting Price$0.07/min
Key Features
  • Real-Time Voice Orchestration (sub-800ms)
  • Natural Turn-Taking & Interruption Handling
  • Function Calling via Webhooks
  • 200+ natural-sounding AI voices
  • 35+ languages and 10+ accents
  • Voice cloning from audio samples

Retell AI - Pros & Cons

Pros

  • Ultra-low latency voice responses (sub-800ms) create natural-feeling conversations that don't frustrate callers with awkward pauses
  • Modular pricing with 15+ LLM options and 6 TTS providers lets you precisely optimize cost-quality tradeoffs per agent
  • Free SIP trunking eliminates per-minute telephony charges — significant cost savings for high-volume deployments
  • Built-in production features like batch calling, branded caller ID, PII removal, and AI quality assurance cover real telephony needs
  • Webhook-based function calling enables real-time CRM updates, appointment booking, and database queries during live calls
  • Chat agent support with SMS adds multi-channel capability without needing a separate platform

Cons

  • No self-hosting option — all voice data flows through Retell's cloud infrastructure, which may not meet strict data sovereignty requirements
  • Advertised $0.07/min minimum is misleading — realistic production costs with a capable LLM run $0.13-$0.25/min after all components
  • Enterprise features (HIPAA, SSO, RBAC) require custom pricing with no published rates, making budget planning difficult
  • Younger platform with fewer production case studies and community resources compared to Twilio or Genesys ecosystems

Murf AI - Pros & Cons

Pros

  • Easy to use and integrate
  • Reliable performance
  • Good documentation

Cons

  • May require learning curve
  • Pricing for enterprise features
  • Limited customization options

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🔒 Security & Compliance Comparison

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Security FeatureRetell AIMurf AI
SOC2✅ Yes
GDPR✅ Yes
HIPAA✅ Yes
SSO🏢 Enterprise
Self-Hosted❌ No
On-Prem❌ No
RBAC🏢 Enterprise
Audit Log🏢 Enterprise
Open Source❌ No
API Key Auth✅ Yes
Encryption at Rest✅ Yes
Encryption in Transit✅ Yes
Data Residency
Data Retentionconfigurable
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