Basic Information
| Field | Details |
|---|---|
| English name | Amazon Lex |
| Full name | Amazon Lex |
| Chinese description | 对话机器人 |
| Japanese description | 会話ボット |
| Exam frequency | ⭐⭐ |
| Often confused with | Polly |
In one sentence
A managed service for text and voice conversational interfaces, chatbots, and contact-center bots.
Key points
- It uses intents, slots, and dialog flows to understand requests and collect required information.
- It commonly invokes Lambda for business logic and integrates with Amazon Connect.
- Lex manages conversation; Polly is text to speech, and Transcribe is speech to text.
Exam focus
- Chatbots, voice bots, intents, and slots point to Amazon Lex.
Common pitfalls
- Do not choose by product name alone; confirm data type, latency, control, operations, and cost constraints.
Remember
Lex handles the conversation; Lambda performs the business action.