Latest features
This topic provides information about the latest features that Amazon Lex V2 offers:
AMAZON.BedrockAgentIntent for connecting with Bedrock Agents and Knowledge Bases
Amazon Lex V2 now provides the AMAZON.BedrockAgentIntent built-in intent to seamlessly connect your bot with Amazon Bedrock Agents and Knowledge Bases for enhanced conversational AI capabilities.
Assisted NLU for improved intent classification and slot resolution
Amazon Lex V2 now offers Assisted NLU to improve intent classification and slot resolution using Large Language Models (LLMs) while staying within your bot's configured intents and slots.
Custom vocabulary support for 17 additional languages
Amazon Lex V2 now supports custom vocabularies in 17 additional languages to improve speech recognition accuracy.
QinConnect built-in intent for Amazon Connect integration
Amazon Lex V2 now provides the QinConnect built-in intent to seamlessly connect your bot with Amazon Connect for enhanced contact center experiences.
AMAZON.Currency and AMAZON.Confirmation built-in slots now support all locales
Amazon Lex V2 now supports AMAZON.Currency and AMAZON.Confirmation built-in slot types in all locales, expanding beyond the previously supported English and Spanish locales.
Enhanced QnA intent with Bedrock Knowledge Base and Guardrails
The QnA built-in intent for generative AI now supports Bedrock Knowledge Base and Guardrails for more secure and accurate responses.
Support for Anthropic Claude 3 models
The QnA built-in intent for generative AI now supports Anthropic Claude 3 Haiku and Anthropic Claude 3 Sonnet models for enhanced conversational capabilities.
Global resiliency for bot replication across regions
Amazon Lex V2 now offers Global resiliency to replicate your bot in a second AWS region for improved availability and disaster recovery.
Regional support for AWS GovCloud (US-West)
Amazon Lex V2 is now available in AWS GovCloud (US-West).
Generative AI features for Amazon Lex V2
Amazon Lex V2 now allows you to take advantage of Amazon Bedrock's generative AI capabilities for your bot.
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Descriptive bot builder
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Assisted slot resolution
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Utterance generation
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AMAZON.QnAIntent(Conversational FAQ)
AMAZON.Confirmation built-in slot for Yes/No/Maybe/Don't know disambiguation.
Amazon Lex V2 now offers AMAZON.Confimation built-in slot to improve the accuracy of slot confirmation and
Yes/No/Maybe/Don't know responses.
Measuring business performance with Analytics
Amazon Lex V2 now offers users the ability to view the performance of intents and slots on the Analytics dashboard.
Evaluating bot performance with Test workbench
Amazon Lex V2 now offers users the ability to create and run test sets to measure bot performance and improve bot metrics.
Vertical specific bot templates
Amazon Lex V2 now offers users pre-built bot templates with ready-to-use conversation flows along with both training data and dialog prompts, for both voice and chat modalities.
Network of bots
Amazon Lex V2 now offers users the ability to combine multiple bots into a single network and the ability to route requests to the appropriate bot based on user input.
Visual conversation builder
Amazon Lex V2 now offers a drag and drop conversation builder to easily design and visualize conversation paths by using intents within a rich visual environment.
Composite slot type
Amazon Lex V2 now offers users the ability to combine multiple slots into a composite slot using logical expressions.
Conditional branching
Amazon Lex V2 now offers users the ability to write conditions to better control the path that customers take through a conversation with your bot.
Automated chatbot designer
Amazon Lex V2 now offers users the option of automatically designing a chatbot from conversation transcripts. Read the for usage examples.
Runtime hints
Amazon Lex V2 now offers users the option of configuring runtime hints to improve recognition of phrases to improve elicitation of slot values.
Custom vocabulary
Amazon Lex V2 now offers users the option of creating a custom vocabulary, a list of phrases that can include proper nouns or domain-specific words, for Amazon Lex V2 to recognize in the audio input.
Grammar slot type
Amazon Lex V2 now offers users the ability to author grammars in XML format following the Speech Recognition Grammar Specification (SRGS) to collect information in a conversation.
