Otter vs Retell AI
A side-by-side comparison of features, pricing, and characteristics.
Otter
Otter is an AI meeting assistant that captures conversations through live transcription and automated summaries.
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 | Otter | Retell AI |
|---|---|---|
| Pricing type | Free + paid (from $8.33/mo) | Free + paid (from $0.13/mo) |
| Korean support | No | No |
| Platforms | Web, iOS, Android, Chrome Extension | Web, API, Telephony, SIP, Twilio |
| Open source | No | No |
| API available | Available | - |
| SDK | Available | - |
| LLM-based | Yes | Yes |
| Multimodal | Yes | Yes |
| AI model | Proprietary Speech-to-Text Model, Proprietary LLMs, Anthropic Claude, OpenAI GPT | - |
| GitHub Stars | - | - |
| Vendor | Otter | Retell AI |
| Category | Communication | Communication |
| Details | View | View |
Otter key features
- Real-time transcription with speaker recognition
- Automated meeting summaries and action item extraction
- AI Chat for generating content and searching meetings
- CRM integration and automatic data syncing
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