Retell AI offers more than just a call agent. It's a complete infrastructure for businesses that need reliable, scalable, and human-like conversations at lower costs.
From global calling to enterprise-grade security and flexible plans, Retell is built for teams that can't afford fragile flows or unpredictable expenses.
For organizations that want performance, compliance, and long-term value, Retell AI is the smarter alternative to Air AI.
Production-grade AI voice platforms should provide clear answers on pricing, compliance, uptime, and scalability—when they don't, enterprise teams take on real risk.
Retell AI is built for production, not just prototyping. Our infrastructure delivers measurable results for enterprise clients, with the reliability and scale your business depends on.

Air AI's pricing, compliance, and uptime data are not publicly disclosed—making enterprise evaluation difficult. Retell publishes clear rates, ships with verified compliance certifications, and includes PII redaction and RBAC across all plans.
| Features | ![]() | |
|---|---|---|
| Drag & Drop | Low/no code capabilities | Supported with cost for API |
| LLM Model & Intelligence | Always integrates the newest LLMs | Unknown |
| Custom LLM Integration | Supported | Not Supported |
| Custom Telephony | Native SIP Trunking | Not Supported |
| Warm Transfer | Supported | Not Supported |
| Multilingual | 30+ Languages Supported | Not Supported |
| Preset Functions | Supported | Supported |
| Branded Calls | Supported | Not Supported |
| IVR & DTMF Support | IVR with DTMF tone recognition | Not Supported |
| Post-Call Analytics | Real-Time Insights | Not Supported |
| Latency | Sub-second Latency | Sub-second Latency |
| Pricing | ![]() | |
|---|---|---|
| Voice AI | $0.07/min | Unknown |
| Phone Number | $2.00/month | - |
| Toll Phone Number | $5.00/month | - |
| Verified Phone Number | Included at no extra cost | - |
| Branded Calls | Included at no extra cost | - |
| Batch Calls | Included at no extra cost | - |
| Extra Knowledge Base Slots | Included at no extra cost | - |
| Concurrency Add-on | Included at no extra cost | - |
| Speech-to-Text | Included at no extra cost | - |
| Enterprise-Grade | ![]() | |
|---|---|---|
| Compliance | HIPAA, SOC2 Type 1 & 2, GDPR | Unknown |
| Rate Limit | No rate limit | Unknown |
| Uptime to date | 99.99% | Unknown |
| Onboarding | Ready to deploy with intuitive setup | Unknown |