# Retell AI vs Vapi

**Leader by vioscaleAI score:** Retell AI

| Attribute | Retell AI | Vapi |
|---|---|---|
| **vioscaleAI score** | 79.3 (72% (medium)) | 72.7 (74% (medium)) |
| content.faq | `[{"answer":"A system for designing and deploying intelligent voice agents that handle inbound and outbound calls, integrate with CRMs and business systems, and route interactions to human agents when needed. Agents can be built via visual canvas or API and operate across existing phone infrastructure. It is indexed under Voice AI Agents.","source":"https://www.retellai.com","question":"What is Retell AI?","confidence":0.6},{"answer":"Retell AI does not publish its prices. Pricing is quoted on request, across 2 plans (Pay-as-you-go and Enterprise), so the figure depends on your seat count and requirements. We record this as a pricing-transparency signal rather than guessing a number. Pricing changes often, so verify at source before relying on it.","source":"https://www.retellai.com/ar/pricing","question":"How much does Retell AI cost?","confidence":0.6},{"answer":"Retell AI supports the web, iOS and Android. Platforms we have not confirmed are simply not listed here rather than ruled out.","source":"https://www.retellai.com","question":"What platforms does Retell AI support?","confidence":0.6},{"answer":"We have only confirmed a cloud / SaaS deployment for Retell AI, so it appears to be vendor-hosted. If a self-hosted option exists we have not found it documented publicly.","source":"https://www.retellai.com","question":"Can Retell AI be self-hosted?","confidence":0.6},{"answer":"We have confirmed 45 integrations for Retell AI, including Twilio, Vonage, Telnyx, Salesforce, HubSpot, Zoho CRM, Zapier and n8n, plus 37 more. This is what we could verify from public sources, so the vendor may support others we have not indexed.","source":"https://www.retellai.com","question":"What does Retell AI integrate with?","confidence":0.6},{"answer":"We have independently confirmed SOC 2, ISO 27001, HIPAA and GDPR for Retell AI. Certifications we do not list are ones we have not been able to verify from public sources, which is not the same as Retell AI not holding them. Always confirm compliance directly before you rely on it.","source":"https://www.retellai.com","question":"What security certifications does Retell AI have?","confidence":0.6},{"answer":"Retell AI is available worldwide. Its primary markets are the United States, the EU and the United Kingdom. The vendor is headquartered in the United States.","source":"https://www.retellai.com/ar/pricing","question":"Where is Retell AI available?","confidence":0.75}]` | `[{"answer":"A developer-focused platform for building, deploying, and managing AI-powered voice agents that handle customer interactions including support, callbacks, and notifications. Supports both API-first and UI-based workflows with enterprise-grade reliability and compliance. It is indexed under Voice AI Agents.","source":"https://vapi.ai","question":"What is Vapi?","confidence":0.6},{"answer":"Vapi is a paid product; published pricing starts at $0.01. It is sold across 2 plans (Build and Scale). There is no free tier. Prices are published openly on the vendor's own pricing page. Pricing changes often, so verify at source before relying on it.","source":"https://vapi.ai/pricing","question":"How much does Vapi cost?","confidence":0.6},{"answer":"Vapi supports the web, iOS and Android. Platforms we have not confirmed are simply not listed here rather than ruled out.","source":"https://vapi.ai","question":"What platforms does Vapi support?","confidence":0.6},{"answer":"We have only confirmed a cloud / SaaS deployment for Vapi, so it appears to be vendor-hosted. If a self-hosted option exists we have not found it documented publicly.","source":"https://vapi.ai","question":"Can Vapi be self-hosted?","confidence":0.6},{"answer":"We have confirmed 14 integrations for Vapi, including Twilio, Google Business Messages / RCS, OpenAI, Anthropic, Groq, Eleven Labs, Google Cloud and Azure, plus 6 more. This is what we could verify from public sources, so the vendor may support others we have not indexed.","source":"https://vapi.ai","question":"What does Vapi integrate with?","confidence":0.6},{"answer":"We have independently confirmed SOC 2 and HIPAA for Vapi. Certifications we do not list are ones we have not been able to verify from public sources, which is not the same as Vapi not holding them. Always confirm compliance directly before you rely on it.","source":"https://vapi.ai/custom-agents/healthcare-compliance-doc-agent","question":"What security certifications does Vapi have?","confidence":0.7},{"answer":"Vapi is available worldwide. Its primary market is the United States.","source":"https://vapi.ai/pricing","question":"Where is Vapi available?","confidence":0.5}]` |
| deployment.options | `{"cloud":true}` | `{"cloud":true}` |
| description.long | A cloud-based platform that deploys conversational AI agents to handle inbound and outbound phone calls, including lead qualification, appointment booking, call routing, and CRM integration. | Managed platform enabling developers to build, deploy, and monitor voice agents without managing infrastructure. Provides conversation design tools, real-time integration with external data and APIs, and production monitoring. |
| features.capabilities | `{"soc2_type_ii":true,"pricing_model":"per_minute_usage_based","deployment_model":"no_code_saas_platform","post_call_transcription_and_crm_sync":true,"dynamic_mid_call_api_function_execution":true,"emotion_prosody_and_custom_voice_cloning":true,"outbound_dialing_and_campaign_management":true,"live_human_handoff_and_call_transfer_logic":true,"inbound_reception_and_ivr_routing_replacement":true,"voicemail_detection_and_answering_machine_drops":true,"hipaa_compliance_for_medical_appointment_setting":true,"twilio_vonage_bring_your_own_carrier_byoc_support":true,"sub_second_latency_and_interruption_barget_in_handling":true}` | `{"soc2_type_ii":true,"pricing_model":"per_minute_usage_based","deployment_model":"developer_api_endpoint","dynamic_mid_call_api_function_execution":true,"emotion_prosody_and_custom_voice_cloning":true,"live_human_handoff_and_call_transfer_logic":true,"inbound_reception_and_ivr_routing_replacement":true,"voicemail_detection_and_answering_machine_drops":true,"hipaa_compliance_for_medical_appointment_setting":true,"twilio_vonage_bring_your_own_carrier_byoc_support":true,"sub_second_latency_and_interruption_barget_in_handling":true}` |
| integrations.count | 1,000 | 8 |
| integrations.list | `[{"name":"Twilio"},{"name":"Vonage"},{"name":"Telnyx"},{"name":"Salesforce"},{"name":"HubSpot"},{"name":"Zoho CRM"},{"name":"Zapier"},{"name":"n8n"},{"name":"Make"},{"name":"viaSocket"},{"name":"Zendesk"},{"name":"Talkdesk"},{"name":"RingCentral"},{"name":"ServiceTitan"},{"name":"Nice"},{"name":"Workable"},{"name":"Go High Level"},{"name":"OpenDental"},{"name":"Slack"},{"name":"Monday.com"},{"name":"Smartsheets"},{"name":"Shopify"},{"name":"Stripe"},{"name":"Xero"},{"name":"Supabase"},{"name":"Webflow"},{"name":"WhatsApp"},{"name":"ElevenLabs"},{"name":"Minimax"},{"name":"Fish Audio"},{"name":"Cartesia"},{"name":"OpenAI"},{"name":"Google Gemini"},{"name":"Anthropic Claude"},{"name":"Pipedrive","native":true,"category":"crm","direction":"bidirectional"},{"name":"GoHighLevel","native":true,"category":"crm","direction":"bidirectional"},{"name":"Keap","native":true,"category":"crm","direction":"bidirectional"},{"name":"Calendly","native":true,"category":"calendar","direction":"bidirectional"},{"name":"Cal.com","native":true,"category":"calendar","direction":"bidirectional"},{"name":"Google Drive","native":true,"category":"file_storage"},{"name":"Docusign","native":true,"category":"esignature"},{"name":"Jotform","native":true,"category":"forms"},{"name":"Clickup","native":true,"category":"project_management"},{"name":"Azure","native":true,"category":"cloud"},{"name":"Quickbooks","native":true,"category":"accounting"},{"name":"Custom LLM","native":true,"category":"ai"},{"name":"Avaya","native":true,"category":"telephony","direction":"bidirectional"},{"name":"Genesys","native":true,"category":"telephony","direction":"bidirectional"}]` | `[{"name":"Twilio"},{"name":"Google Business Messages / RCS"},{"name":"OpenAI"},{"name":"Anthropic"},{"name":"Groq"},{"name":"Eleven Labs"},{"name":"Google Cloud"},{"name":"Azure"},{"name":"Custom LLM providers"},{"name":"Custom TTS providers"},{"name":"Custom STT providers"},{"name":"Webhook integrations"},{"name":"REST API"},{"name":"MCP (Model Context Protocol)"},{"name":"Google Business Messages","native":true,"category":"messaging","direction":"bidirectional"},{"name":"Vonage","native":true,"category":"telephony","direction":"outbound"},{"name":"Telnyx","native":true,"category":"telephony","direction":"outbound"},{"name":"ElevenLabs","native":true,"category":"voice","direction":"outbound"},{"name":"Deepgram","native":true,"category":"transcription","direction":"outbound"},{"name":"Slack","native":true,"category":"chat","direction":"outbound"}]` |
| market.availability | `{"primaryMarkets":["US"],"availabilityScope":"global","availableCountries":[],"notAvailableCountries":[]}` | `{"primaryMarkets":["US"],"availabilityScope":"global","availableCountries":[],"notAvailableCountries":[]}` |
| platform.support | `{"web":true}` | `{"cli":true,"ios":true,"web":true}` |
| pricing | `{"type":"usage","plans":[{"free":false,"name":"Pay-as-you-go","summary":"$0.07–$0.31/min for voice agents; $0.002+/msg for chat agents","features":["20 concurrent calls included","Full platform access","Drag-and-drop agent builder","Call transfers and routing","CRM integration","Voicemail handling"],"components":[{"per":{"qty":1,"unit":"minute"},"kind":"metered","amount":0.055,"currency":"USD"},{"per":{"qty":1,"unit":"message"},"kind":"metered","amount":0.002,"currency":"USD"}],"description":"Usage-based pricing starting with $10 in free credits","contactSales":false,"includedLimits":{"concurrent_calls":"20"}},{"free":false,"name":"Enterprise","summary":"Custom pricing with volume discounts and dedicated support","features":["Unlimited concurrent calls","HIPAA/BAA compliance","SSO","Custom MSA","Custom DPA","24/7 support","Implementation support","Dedicated account manager"],"description":"Custom pricing for large-scale deployments with dedicated support","contactSales":true}],"summary":"From $0.07/min usage-based pricing. Free tier with $10 credits.","currency":"USD","freeTier":true,"sourceUrl":"https://www.retellai.com/es/pricing","retrievedAt":"2026-10-12T21:50:23.081Z","startingPrice":{"unit":"message","amount":0.002,"currency":"USD"},"billingPeriods":["month"]}` | `{"type":"hybrid","plans":[{"free":true,"name":"Free","summary":"Free with per-minute usage charges","features":["$5 free credits","2 organizations","1 included Vapi phone number","4 concurrent calls","14 days data retention","Full model catalog","Full platform access","Discord peer support","Email support without SLA"],"components":[{"per":{"qty":1,"unit":"minute"},"kind":"metered","amount":0.008,"currency":"USD","description":"Twilio inbound calls"},{"per":{"qty":1,"unit":"minute"},"kind":"metered","amount":0.014,"currency":"USD","description":"Twilio outbound calls"}],"description":"Usage-based pricing with free credits","contactSales":false,"includedLimits":{"free_credits":"$5","organizations":"2","data_retention":"14 days","concurrent_calls":"4","vapi_phone_numbers":"1"}},{"free":false,"name":"Core","summary":"$29/month","features":["5 Vapi phone numbers","10 concurrent calls","30 days data retention","ZDR included","Email support","2 business day response SLA"],"commitment":"monthly","components":[{"kind":"fixed","amount":29,"period":"month","currency":"USD"}],"description":"For builders and early teams","contactSales":false,"includedLimits":{"data_retention":"30 days","concurrent_calls":"10","vapi_phone_numbers":"5"}},{"free":false,"name":"Pro","summary":"$999/month minimum","features":["10 organizations","10 Vapi phone numbers","30 concurrent calls","180 days data retention","RBAC and ZDR","Email and Slack support","1 business day response SLA","99% uptime SLA"],"commitment":"monthly","components":[{"kind":"fixed","amount":999,"period":"month","currency":"USD"}],"description":"For scaling teams in production","contactSales":false,"includedLimits":{"organizations":"10","data_retention":"180 days","concurrent_calls":"30","vapi_phone_numbers":"10"}},{"free":false,"name":"Premier","summary":"Custom pricing","features":["Custom phone numbers, concurrency, and data retention","Priority support with named team","Agent Strategist and FDE advisor","1 hour P0 response SLA","99.9% uptime SLA","Custom RBAC, ZDR, and SSO","Dedicated SIP support"],"description":"For sophisticated organizations scaling at enterprise scale","contactSales":true}],"addOns":[{"name":"HIPAA Compliance","components":[{"kind":"one_time","amount":2000,"currency":"USD"}]},{"name":"Additional Concurrent Calls","components":[{"kind":"per_unit","unit":"line","amount":10,"period":"month","currency":"USD"}]},{"name":"Additional Organizations","components":[{"kind":"per_unit","unit":"organization","amount":20,"period":"month","currency":"USD"}]}],"summary":"Free tier ($5 credits) plus per-minute call costs. Paid tiers from $29/month (Core) to custom (Premier).","currency":"USD","freeTier":true,"sourceUrl":"https://vapi.ai/pricing","retrievedAt":"2026-10-12T21:44:19.953Z","startingPrice":{"amount":29,"period":"month","currency":"USD"},"billingPeriods":["month"]}` |
| pricing.free_tier | yes | yes |
| pricing.model | freemium | freemium |
| pricing.price_level | low | mid |
| pricing.starting_price | `{"amount":0.002,"currency":"USD"}` | `{"amount":29,"currency":"USD"}` |
| pricing.transparent | yes | yes |
| reliability.sla_pct | 99.9 | 99.9 |
| reliability.status_page | - | yes |
| security.certifications | `[{"name":"SOC 2 Type II","level":"Type II","status":"active"},{"name":"ISO 27001","status":"active"},{"name":"HIPAA","status":"active"}]` | `[{"name":"SOC 2 Type II","level":"Type II","status":"active"},{"name":"HIPAA","status":"active"},{"name":"PCI DSS","status":"active"}]` |
| security.gdpr | yes | - |
| security.hipaa | yes | yes |
| security.iso27001 | yes | - |
| security.pci | - | yes |
| security.soc2 | yes | yes |
| security.trust_center | - | https://vapi.ai/blog/category/security |

## Capabilities (Voice AI Agents)

| Capability | Retell AI | Vapi |
|---|:--:|:--:|
| **Capabilities** |  |  |
| Deployment model | No code saas platform | Developer API endpoint |
| Sub second latency and interruption barget in handling | ✓ | ✓ |
| Dynamic mid call API function execution | ✓ | ✓ |
| Live human handoff and call transfer logic | ✓ | ✓ |
| Emotion prosody and custom voice cloning | ✓ | ✓ |
| Inbound reception and ivr routing replacement | ✓ | ✓ |
| Outbound dialing and campaign management | ✓ | - |
| Post call transcription and CRM sync | ✓ | - |
| Voicemail detection and answering machine drops | ✓ | ✓ |
| Twilio vonage bring your own carrier byoc support | ✓ | ✓ |
| SOC2 type ii | ✓ | ✓ |
| HIPAA compliance for medical appointment setting | ✓ | ✓ |
| Pricing model | Per minute usage based | Per minute usage based |

*Source: vioscaleAI. Generated 2026-10-15T21:19:37.649Z. "-" = undocumented, not absent.*