Otter vs Vapi

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.

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Vapi

Vapi is a developer-centric platform for building, testing, and deploying voice AI agents.

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AttributeOtterVapi
Pricing typeFree + paid (from $8.33/mo)Free + paid (from $0.05/mo)
Korean supportNoNo
PlatformsWeb, iOS, Android, Chrome Extensioncli, web, desktop, api
Open sourceNoNo
API availableAvailableAvailable
SDKAvailableAvailable
LLM-basedYesYes
MultimodalYesYes
AI modelProprietary Speech-to-Text Model, Proprietary LLMs, Anthropic Claude, OpenAI GPTOpenAI, Anthropic, Google Gemini, DeepSeek, Qwen, MiniMax, xAI, ElevenLabs, Cartesia, Deepgram, Soniox, Inworld
GitHub Stars--
VendorOtterVapi
CategoryCommunicationCommunication
DetailsView 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

Vapi key features

  • Multilingual support for 100+ languages
  • Bring Your Own Key (BYOK) for custom LLM, TTS, and transcription models
  • Simulation test suites to identify hallucination risks
  • Function calling to integrate external APIs as tools
  • A/B testing for prompts, voices, and flows