AIRI vs Retell AI
A side-by-side comparison of features, pricing, and characteristics.
AIRI
Open-source LLM-powered virtual character and digital companion for web and desktop.
Read the full reviewRetell AI
Retell AI is a voice-first conversational AI platform enabling human-quality, low-latency phone calls at scale.
Read the full review| Attribute | AIRI | Retell AI |
|---|---|---|
| Pricing type | Free | Free + paid (from $0.13/mo) |
| Korean support | No | No |
| Platforms | - | Web, API, Telephony, SIP, Twilio |
| Open source | Yes | No |
| API available | - | - |
| SDK | - | - |
| LLM-based | - | Yes |
| Multimodal | - | Yes |
| AI model | - | - |
| GitHub Stars | 48.9K | - |
| Vendor | - | Retell AI |
| Category | Communication | Communication |
| Details | View | View |
AIRI key features
- Web and desktop applications
- Live2D and VRM virtual character presentation
- LLM-powered conversational and voice interaction
- Game- and application-aware interaction goals
- Local LLM connectivity on desktop
- MIT-licensed open-source codebase
Retell AI key features
- ~600ms low-latency voice orchestration
- Simulation testing and continuous QA
- SIP trunking and branded call ID
- Performance analytics dashboard
- Proprietary turn-taking model