# Synthflow AI vs Vapi

**Leader by Vioscale score:** Vapi

| Attribute | Synthflow AI | Vapi |
|---|---|---|
| **Vioscale score** | 67.8 (76% (high)) | 75.9 (75% (high)) |
| deployment.options | `{"cloud":true}` | `{"cloud":true,"hybrid":true,"self_hosted":true}` |
| description.long | A cloud-based platform that deploys AI agents to handle incoming and outgoing phone calls, customer support interactions, and lead qualification. It operates on dedicated telephony infrastructure, integrates with existing enterprise systems, and offers multilingual support, custom voice options, and compliance certifications for regulated industries. | 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. |
| features.capabilities | `{"iso_27001":false,"pricing_model":"flat_monthly","deployment_model":"no_code_saas_platform","specialized_industry_verticals":"agnostic","hipaa_compliance_for_medical_booking":true,"post_call_transcription_and_crm_sync":true,"emotion_prosody_and_custom_voice_cloning":true,"outbound_dialing_and_campaign_management":true,"live_human_handoff_and_call_transfer_logic":true,"sms_text_message_follow_up_on_voice_intent":true,"live_human_receptionist_transfer_and_routing":true,"inbound_reception_and_ivr_routing_replacement":true,"after_hours_missed_call_and_overflow_answering":true,"voicemail_detection_and_answering_machine_drops":true,"hipaa_compliance_for_medical_appointment_setting":true,"twilio_vonage_bring_your_own_carrier_byoc_support":true,"native_appointment_calendar_booking_and_modification":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 | 200 | 14 |
| integrations.list | `[{"name":"Zapier"},{"name":"Make"},{"name":"GoHighLevel"},{"name":"8x8"},{"name":"HubSpot"},{"name":"RingCentral"},{"name":"Salesforce"},{"name":"Freshworks"},{"name":"Cal.com"},{"name":"Google Calendar"},{"name":"Microsoft Calendar"},{"name":"Five9"},{"name":"Genesys"},{"name":"OpenPhone"},{"name":"Dialpad"},{"name":"3CX"},{"name":"JustCall"},{"name":"Cloudtalk"},{"name":"Cisco"},{"name":"Avaya"},{"name":"Intermedia"},{"name":"Zoho"},{"name":"ActiveCampaign"},{"name":"Monday.com"},{"name":"Pipedrive"},{"name":"Jobber"},{"name":"Follow Up Boss"},{"name":"Housecall Pro"},{"name":"Dentrix"},{"name":"Velocify"},{"name":"Practice Better"},{"name":"Bravity"},{"name":"ServiceTitan"},{"name":"Bitrix24"},{"name":"AthenaOne"},{"name":"Clay"},{"name":"Apollo.io"},{"name":"Gong"},{"name":"Outreach"},{"name":"Twilio"},{"name":"Telnyx"},{"name":"Vonage"},{"name":"Asterisk"},{"name":"GoTo"},{"name":"Plivo"},{"name":"Ooma"},{"name":"Bubble"},{"name":"N8N"},{"name":"Claude AI"},{"name":"OpenAI"}]` | `[{"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)"}]` |
| market.availability | `{"primaryMarkets":["US","GB","EU"],"availabilityScope":"global","availableCountries":[],"notAvailableCountries":[]}` | `{"primaryMarkets":["US"],"availabilityScope":"global","availableCountries":[],"notAvailableCountries":[]}` |
| platform.support | `{"web":true}` | `{"ios":true,"web":true,"android":true}` |
| pricing | `{"type":"subscription","plans":[{"free":false,"name":"Starter","summary":"$29/month","commitment":"monthly","components":[{"kind":"fixed","amount":29,"period":"month","currency":"USD"}],"contactSales":false},{"free":false,"name":"Pro","summary":"$450/month","commitment":"monthly","components":[{"kind":"fixed","amount":450,"period":"month","currency":"USD"}],"contactSales":false},{"free":false,"name":"Growth","summary":"$900/month","commitment":"monthly","components":[{"kind":"fixed","amount":900,"period":"month","currency":"USD"}],"contactSales":false},{"free":false,"name":"Agency","summary":"$1,400/month","commitment":"monthly","components":[{"kind":"fixed","amount":1400,"period":"month","currency":"USD"}],"contactSales":false}],"summary":"From $29/month with 14-day free trial. Pay-as-you-go minutes available.","currency":"USD","freeTier":false,"sourceUrl":"https://synthflow.ai/blog/air-ai-pricing","retrievedAt":"2026-08-25T21:39:50.434Z","freeTrialDays":14,"startingPrice":{"amount":29,"period":"month","currency":"USD"},"billingPeriods":["month"]}` | `{"type":"hybrid","plans":[{"free":false,"name":"Build","summary":"$0.05/minute for calls, $0.005 per message, $10/additional concurrent line/month","features":["Usage-based call minutes","SMS/Chat messaging","10 call concurrency included","Custom voices and model access","Email and Discord community support","14-day call history retention","30-day chat history retention","RBAC access control"],"components":[{"per":{"qty":1,"unit":"minute"},"kind":"metered","amount":0.05,"currency":"USD"},{"per":{"qty":1,"unit":"message"},"kind":"metered","amount":0.005,"currency":"USD"},{"kind":"per_unit","unit":"line","amount":10,"period":"month","currency":"USD"}],"description":"Usage-based pricing for development and scaling","contactSales":false,"includedLimits":{"call_concurrency":"10 lines","initial_call_minutes":"60+ included"}},{"free":false,"name":"Scale","summary":"Enterprise annual contract with fixed platform fee and volume-based per-minute pricing","features":["Fixed platform fee plus committed volume","Volume-based per-minute pricing","Enterprise-grade uptime SLA","SOC2, HIPAA, PCI compliance","SSO and OAuth2 integration","RBAC with granular permissions","Data residency options","Priority model and provider access","Dedicated support engineer","Account manager","Custom support SLA"],"commitment":"annual","description":"Enterprise annual contract with volume-based pricing","contactSales":true}],"addOns":[{"name":"HIPAA Compliance","components":[{"kind":"fixed","amount":2000,"period":"month","currency":"USD"}]},{"name":"Zero Data Retention","components":[{"kind":"fixed","amount":1000,"period":"month","currency":"USD"}]}],"summary":"Usage-based pricing starting at $0.05/minute. Enterprise annual contracts with volume discounts available.","currency":"USD","freeTier":false,"sourceUrl":"https://vapi.ai/pricing","retrievedAt":"2026-08-25T21:48:17.942Z","startingPrice":{"unit":"line","amount":10,"period":"month","currency":"USD"},"billingPeriods":["month"]}` |
| pricing.free_tier | no | no |
| pricing.model | commercial | commercial |
| pricing.price_level | mid | low |
| pricing.starting_price | `{"amount":29,"currency":"USD"}` | `{"amount":10,"currency":"USD"}` |
| pricing.transparent | yes | yes |
| reliability.sla_pct | 99.99 | 99.9 |
| reliability.status_page | - | yes |
| security.gdpr | yes | - |
| security.hipaa | yes | yes |
| security.pci | yes | yes |
| security.soc2 | yes | yes |

## Capabilities (Voice AI Agents)

| Capability | Synthflow 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 | Flat monthly | Per minute usage based |

*Source: Vioscale. Generated 2026-09-01T14:33:38.353Z. "-" = undocumented, not absent.*