Best for
Best for business presentations, training and e-learning voiceovers.
- Small and mid-sized
- Enterprise
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AI Voice & Speech Comparison
At a glance
Best for
Best for business presentations, training and e-learning voiceovers.
Best for
Best for teams putting AI voice agents on real phone lines and testing them before they meet customers.
Cataleo does not name a winner. Both statements come from the vendors themselves.
| Criterion | Murf AI | Retell AI |
|---|---|---|
| Starting price | Free tier; paid tiers above The free tier has no downloads and no commercial rights. | From $0.07 / minute of calls Pay as you go, quoted by the vendor as $0.07 to $0.31 per minute for voice agents depending on the models, telephony and add-ons chosen, plus from $0.002 per message for chat agents. Enterprise is quoted by sales. |
| Free trial | Free tier, without downloads or commercial rights | $10 in free credits, no contract and no commitment; 20 concurrent calls are included |
| Commercial use | Paid tiers only | Yes, usage-based |
| Output | Studio-quality voiceover, plus real-time voices (Falcon) | Voice agents for inbound and outbound phone calls and web calls, plus chat agents over SMS and a web widget |
| API | Yes | Yes, REST API with Node.js and Python libraries, webhooks and an MCP server |
| Hosting | Not stated | Cloud on AWS; the vendor states it does not currently operate services within the European Union |
| Voice cloning | Yes, voice cloning to replicate a speaker | Yes, custom voices can be added by searching ElevenLabs community voices, importing an existing clone or training one from uploaded recordings, with Inworld, Cartesia, MiniMax, ElevenLabs and Retell's own platform clones as providers; up to 100 custom voices per account |
| Real-time use | Yes, real-time voice agents (Falcon) | Yes, live inbound and outbound phone calls and browser web calls, with a proprietary turn-taking model, batch calling for campaigns and live monitoring that lets a human listen in or step in |
| Languages | 200+ voices across 35+ languages | 57 languages are listed for text-to-speech and 55 for speech recognition, and a language needs a provider on both sides to be usable. An agent runs either in a single language or as a multilingual agent across a chosen set |
| Speech-to-speech and dubbing | Yes, Murf Dubbing localizes video into 40+ languages, keeping the original tone | A call runs as spoken conversation by chaining speech recognition, a language model and text-to-speech; dubbing of existing recordings is not part of the product |
| Editing and controls | Pitch, speed and intonation controls, plus a custom pronunciation library | Single and multi-prompt agents or node-based conversation flows, knowledge bases, expressive mode for emotion and emphasis, custom pronunciation with IPA, CMU, Pinyin or Jyutping, denoising and interruption sensitivity, voicemail and IVR handling, plus a playground, simulation tests, A/B testing and post-call analysis |
| Consent and trust | Voices sourced through voice-actor partnerships; SOC 2, ISO 27001, GDPR and HIPAA compliant | HIPAA compliant, SOC 2 Type 1 and Type 2 certified and GDPR compliant, with a BAA and a DPA including EU standard contractual clauses available for self-signing at no extra fee. Per-agent data retention runs from 1 day to 2 years, PII can be excluded from what is stored, and recording URLs can be signed. Services are not currently operated inside the EU |
| MCP-ready | No | stated Yes |
| Deployment | Cloud (SaaS), Browser-based | Cloud (SaaS), Browser-based |
| Onboarding | Not stated | Documentation and knowledge base |
| Company size | Small and mid-sized, Enterprise | Small and mid-sized, Enterprise |
| Integrations | Canva, Microsoft PowerPoint, Adobe Captivate | more entries Twilio, Telnyx, Vonage, Genesys Cloud, Five9, Avaya, Amazon Connect, HubSpot, Make, n8n, GoHighLevel |
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The short version
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The trade-offs
Murf AI
Strengths
Limitations
Retell AI
Strengths
Limitations
Plans
Murf AI
Retell AI
What users say
Murf AI
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Retell AI
No reviews yet. Be the first to review this tool. Every review is checked for fairness before it appears, and the vendor cannot have one removed.
Where this comes from
Murf AI https://murf.ai · no check date recorded yet
Retell AI https://www.retellai.com · checked against the official source on 2026-09-13
This table lists factual criteria taken from information the vendors publish themselves. For how we put it together, see the methodology.