Amazon Lex vs Dubber

Amazon Lex lets application builders create conversational interfaces that respond to natural-language voice or chat input. It combines automatic speech recognition for voice with natural language understanding for voice and text interactions. Builders can use a visual flow builder and AI bot generation. The Automated Chatbot Designer analyzes conversation transcripts and proposes an initial design with intents and slot types; Test Workbench supports creating test sets and reviewing results. For FAQ responses, an intent can query an authorized knowledge source and foundation models from Amazon Bedrock. Bots can be deployed on mobile devices and chat services including Facebook Messenger, Slack, Kik, and Twilio SMS. AWS integrations include Lambda for backend logic, Cognito for authentication, Polly for text-to-speech, and Amazon Connect for contact centers. Lex is available for Android, iOS, web, and API use. Text and speech requests use pay-as-you-use pricing, with no upfront commitment or minimum fee in the listed examples. Automated Chatbot Designer training time is listed at $0.50 a month, with pricing described as per minute of training time. The AWS Free Tier is available for six months after account creation, with credits subject to stated eligibility and expiry terms.

Dubber is a cloud platform that captures and consolidates compliant voice recordings from telecommunications networks and collaboration services. It can bring voice, text and video from multiple platforms into one place for access, analysis and regulatory compliance. Its AI analyzes conversations for sentiment, trends, topics, alerts and highlights. Listed integrations and supported services include Microsoft Teams, Cisco Webex, Zoom, Salesforce, Power BI, Microsoft Azure and IBM Cognos. The Microsoft Teams offering includes transcription, replay, real-time search, keyword alerts and AI-enriched insights. Dubber says it uses AES-256 encryption at rest and offers data-sovereignty and resilient-connectivity options. It lists support for PCI DSS, GDPR, HIPAA, ISO 27001 and MiFID II requirements, with global 24×7 support tailored to customer needs. Founded in 2011 and based in Melbourne, the company says its solutions serve communication service providers, governments and enterprises. Its iOS and Android apps stopped functioning on 31 August 2026; recordings remain accessible through the web portal, and a replacement app is in development. The listed subscription plans are flexible monthly and annual, but no price is provided.