Amazon Lex vs Otter

A side-by-side comparison of features, pricing, and characteristics.

Amazon Lex

Amazon Lex is a fully managed AI service for building conversational interfaces into any application using voice and text.

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Otter

Otter is an AI meeting assistant that captures conversations through live transcription and automated summaries.

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AttributeAmazon LexOtter
Pricing typeFree + paid (from $0/mo)Free + paid (from $8.33/mo)
Korean supportOfficialNo
PlatformsWeb, iOS, Android, APIWeb, iOS, Android, Chrome Extension
Open sourceNoNo
API availableAvailableAvailable
SDKAvailableAvailable
LLM-basedYesYes
MultimodalYesYes
AI modelAWS Proprietary Deep Learning ModelsProprietary Speech-to-Text Model, Proprietary LLMs, Anthropic Claude, OpenAI GPT
GitHub Stars--
VendorAmazon Web Services (AWS)Otter
CategoryCommunicationCommunication
DetailsView View

Amazon Lex key features

  • Advanced NLU
  • Automatic Speech Recognition (ASR)
  • Multi-turn Conversation Management
  • Amazon Connect Integration
  • One-click Deployment
  • Visual Conversation Designer

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